Linux 5.6 IO Scheduler Benchmarks

Linux 5.6 I/O scheduler benchmarks on NVMe SSD. Benchmarks by Michael Larabel for a future article.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2003265-NI-LINUX56IO44
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Timed Code Compilation 2 Tests
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Multi-Core 5 Tests
Programmer / Developer System Benchmarks 2 Tests
Server 8 Tests
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March 23 2020
  4 Hours
MQ-Deadline
March 23 2020
  8 Hours, 19 Minutes
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March 24 2020
  6 Hours, 57 Minutes
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March 24 2020
  8 Hours, 23 Minutes
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March 25 2020
  6 Hours, 51 Minutes
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Linux 5.6 IO Scheduler BenchmarksOpenBenchmarking.orgPhoronix Test SuiteAMD Ryzen Threadripper 3970X 32-Core @ 3.70GHz (32 Cores / 64 Threads)ASUS ROG ZENITH II EXTREME (0702 BIOS)AMD Starship/Matisse64GB1000GB Force MP600Gigabyte AMD Radeon RX 5500/5500M / Pro 5500M 8GB (1890/875MHz)AMD Navi 10 HDMI AudioASUS MG28UAquantia AQC107 NBase-T/IEEE + Intel I211 + Intel Wi-Fi 6 AX200Ubuntu 20.045.6.0-050600rc7-generic (x86_64) 20200322GNOME Shell 3.35.91X Server 1.20.7modesetting 1.20.74.6 Mesa 20.0.0 (LLVM 9.0.1)GCC 9.3.0ext41280x8003840x2160ProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionsLinux 5.6 IO Scheduler Benchmarks PerformanceSystem Logs- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - None: NONE / errors=remount-ro,relatime,rw- MQ-Deadline: MQ-DEADLINE / errors=remount-ro,relatime,rw- Kyber: KYBER / errors=remount-ro,relatime,rw- BFQ low-latency: BFQ / errors=remount-ro,relatime,rw- BFQ: BFQ / errors=remount-ro,relatime,rw- Scaling Governor: acpi-cpufreq ondemand - CPU Microcode: 0x8301025- OpenJDK Runtime Environment (build 11.0.6+10-post-Ubuntu-2ubuntu2)- itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full AMD retpoline IBPB: conditional STIBP: conditional RSB filling + tsx_async_abort: Not affected

NoneMQ-DeadlineKyberBFQ low-latencyBFQLogarithmic Result OverviewPhoronix Test SuiteMariaDBApache CassandraPostgreSQL pgbenchFS-MarkSQLiteFlexible IO TesterFacebook RocksDBApache HBaseIORKeyDBTimed GDB GNU Debugger CompilationLevelDBTimed GCC Compilation

Linux 5.6 IO Scheduler Benchmarksmysqlslap: 64cassandra: Mixed 1:1build-gcc: Time To Compilesqlite: 8hbase: Async Rand Write - 32hbase: Async Rand Write - 32pgbench: Buffer Test - Normal Load - Read Writecassandra: Writesrocksdb: Rand Fill Synchbase: Seq Read - 32hbase: Seq Read - 32fio: Seq Write - IO_uring - Yes - No - 2MB - Default Test Directoryfio: Seq Write - IO_uring - Yes - No - 2MB - Default Test Directoryleveldb: Rand Deleteleveldb: Seq Fillleveldb: Seq Fillfs-mark: 5000 Files, 1MB Size, 4 Threadsfio: Rand Write - IO_uring - Yes - No - 4KB - Default Test Directoryfio: Rand Write - IO_uring - Yes - No - 4KB - Default Test Directorybuild-gdb: Time To Compilerocksdb: Rand Readkeydb: rocksdb: Read While Writingleveldb: Seek Randhbase: Increment - 32hbase: Increment - 32rocksdb: Rand Fillrocksdb: Seq Fillfio: Seq Write - IO_uring - Yes - No - 4KB - Default Test Directoryfio: Seq Write - IO_uring - Yes - No - 4KB - Default Test Directoryfio: Rand Read - IO_uring - Yes - No - 4KB - Default Test Directoryfio: Rand Read - IO_uring - Yes - No - 4KB - Default Test Directoryleveldb: Rand Readhbase: Async Rand Read - 32hbase: Async Rand Read - 32leveldb: Hot Readfio: Seq Read - IO_uring - Yes - No - 4KB - Default Test Directoryfio: Seq Read - IO_uring - Yes - No - 4KB - Default Test Directorysqlite: 1fio: Seq Read - IO_uring - Yes - No - 2MB - Default Test Directoryfio: Seq Read - IO_uring - Yes - No - 2MB - Default Test Directoryhbase: Rand Read - 32hbase: Rand Read - 32leveldb: Rand Fillleveldb: Rand Fillleveldb: Overwriteleveldb: Overwritefs-mark: 4000 Files, 32 Sub Dirs, 1MB Sizeleveldb: Fill Syncleveldb: Fill Syncior: Read Testior: Write TestNoneMQ-DeadlineKyberBFQ low-latencyBFQ11343753641.99044.7025226137234866.082212291627340821721853459861979256.304257.33127.51238.225066797980.411181322024519045.76616453566.582287110680120514512355583030001184353667138141.26718816737140.962379333148314.42319093825131239965265.43926.7264.66126.7592.31954.3763.6995.19797.73327226641.40865.0655016370612530.752488271238312091871701608471701257.507257.85427.4773.524946797580.246179996909522808.47618428866.890286110917118556312378222986671166286333111941.29519016600041.018426000166514.38519803967131239244265.97526.6265.35426.7591.41966.9123.6977.23794.35217165642.181142.9425356019712539.317088279252337151911662038841776257.428256.08427.6593.522614288380.361183324454527545.5613153066.609284111460119302012160322960001155285167111441.05417917574640.894493333192715.07620074021130240821265.71926.6265.71526.6545.81967.1613.6977.87781.43318141642.189151.3636954646112441.077629273739297611791774606861378257.174256.94227.5647.224075094080.893180517371525133.31611619066.22928811019611887471220974260000101520160078740.81119416258141.054351333137314.71818933792130241114264.86626.7265.54726.6590.61998.4353.5978.41799.22207137642.042107.8145086276112284.347087282883232751841733547031414258.148257.01427.5364.524575096080.797184232888522119.62629421066.34028411173011785581225970263000102720450080041.81919316360241.064492000192114.59820014009132238769265.21226.7264.24526.8528.42019.6663.5986.32770.48OpenBenchmarking.org

MariaDB

This is a MariaDB MySQL database server benchmark making use of mysqlslap. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgQueries Per Second, More Is BetterMariaDB 10.3.8Clients: 64NoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000SE +/- 1.14, N = 3SE +/- 101.84, N = 9SE +/- 2.81, N = 3SE +/- 100.08, N = 9SE +/- 3.55, N = 311343272173182071. (CXX) g++ options: -pie -fPIC -fstack-protector -fno-rtti -O2 -lpthread -lsnappy -laio -lz -lm -lcrypt -lssl -lcrypto -ldl
OpenBenchmarking.orgQueries Per Second, More Is BetterMariaDB 10.3.8Clients: 64NoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 1132.5 / Avg: 1134.22 / Max: 1136.36Min: 201.29 / Avg: 327.38 / Max: 1132.5Min: 211.46 / Avg: 216.62 / Max: 221.14Min: 199.64 / Avg: 317.92 / Max: 1117.32Min: 200.8 / Avg: 206.73 / Max: 213.081. (CXX) g++ options: -pie -fPIC -fstack-protector -fno-rtti -O2 -lpthread -lsnappy -laio -lz -lm -lcrypt -lssl -lcrypto -ldl

Apache Cassandra

This is a benchmark of the Apache Cassandra NoSQL database management system making use of cassandra-stress. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterApache Cassandra 3.11.4Test: Mixed 1:1NoneMQ-DeadlineKyberBFQ low-latencyBFQ8001600240032004000SE +/- 217.63, N = 9SE +/- 5.46, N = 9SE +/- 12.43, N = 7SE +/- 26.61, N = 6SE +/- 8.58, N = 63753226165141137
OpenBenchmarking.orgOp/s, More Is BetterApache Cassandra 3.11.4Test: Mixed 1:1NoneMQ-DeadlineKyberBFQ low-latencyBFQ7001400210028003500Min: 3055 / Avg: 3753.11 / Max: 5021Min: 207 / Avg: 226.11 / Max: 263Min: 118 / Avg: 164.57 / Max: 216Min: 12 / Avg: 140.5 / Max: 188Min: 109 / Avg: 136.83 / Max: 163

Timed GCC Compilation

This test times how long it takes to build the GNU Compiler Collection (GCC). Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GCC Compilation 9.3.0Time To CompileNoneMQ-DeadlineKyberBFQ low-latencyBFQ140280420560700SE +/- 0.17, N = 3SE +/- 0.25, N = 3SE +/- 0.03, N = 3SE +/- 0.16, N = 3SE +/- 0.27, N = 3641.99641.41642.18642.19642.04
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GCC Compilation 9.3.0Time To CompileNoneMQ-DeadlineKyberBFQ low-latencyBFQ110220330440550Min: 641.8 / Avg: 641.99 / Max: 642.33Min: 640.97 / Avg: 641.41 / Max: 641.84Min: 642.13 / Avg: 642.18 / Max: 642.25Min: 641.96 / Avg: 642.19 / Max: 642.51Min: 641.56 / Avg: 642.04 / Max: 642.49

SQLite

This is a simple benchmark of SQLite. At present this test profile just measures the time to perform a pre-defined number of insertions on an indexed database. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 8NoneMQ-DeadlineKyberBFQ low-latencyBFQ306090120150SE +/- 0.17, N = 3SE +/- 4.78, N = 15SE +/- 7.59, N = 12SE +/- 7.47, N = 12SE +/- 5.70, N = 1544.7065.07142.94151.36107.811. (CC) gcc options: -O2 -lz -lm -ldl -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 8NoneMQ-DeadlineKyberBFQ low-latencyBFQ306090120150Min: 44.44 / Avg: 44.7 / Max: 45.02Min: 46.16 / Avg: 65.07 / Max: 101.56Min: 98.66 / Avg: 142.94 / Max: 176.98Min: 119.9 / Avg: 151.36 / Max: 217.63Min: 53.98 / Avg: 107.81 / Max: 135.931. (CC) gcc options: -O2 -lz -lm -ldl -lpthread

Apache HBase

This is a benchmark of the Apache HBase non-relational distributed database system inspired from Google's Bigtable. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Async Random Write - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ150300450600750SE +/- 13.83, N = 12SE +/- 6.18, N = 12SE +/- 16.45, N = 15SE +/- 24.46, N = 12SE +/- 3.48, N = 3522501535695508
OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Async Random Write - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ120240360480600Min: 499 / Avg: 522.42 / Max: 674Min: 491 / Avg: 500.75 / Max: 568Min: 494 / Avg: 535.27 / Max: 692Min: 599 / Avg: 695.25 / Max: 836Min: 502 / Avg: 507.67 / Max: 514

OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Async Random Write - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ14K28K42K56K70KSE +/- 1286.78, N = 12SE +/- 701.22, N = 12SE +/- 1589.78, N = 15SE +/- 1485.96, N = 12SE +/- 432.26, N = 36137263706601974646162761
OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Async Random Write - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ11K22K33K44K55KMin: 47314 / Avg: 61371.92 / Max: 63897Min: 56085 / Avg: 63706.42 / Max: 64795Min: 46132 / Avg: 60196.6 / Max: 64492Min: 38207 / Avg: 46461.25 / Max: 53245Min: 61961 / Avg: 62760.67 / Max: 63445

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ7K14K21K28K35KSE +/- 238.48, N = 3SE +/- 170.74, N = 15SE +/- 139.65, N = 3SE +/- 212.09, N = 15SE +/- 162.47, N = 1534866.0812530.7512539.3212441.0812284.351. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ6K12K18K24K30KMin: 34472.99 / Avg: 34866.08 / Max: 35296.58Min: 11359.55 / Avg: 12530.75 / Max: 13804.94Min: 12276.07 / Avg: 12539.32 / Max: 12751.77Min: 10767.64 / Avg: 12441.08 / Max: 13838.27Min: 10903.68 / Avg: 12284.35 / Max: 13230.541. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Apache Cassandra

This is a benchmark of the Apache Cassandra NoSQL database management system making use of cassandra-stress. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterApache Cassandra 3.11.4Test: WritesNoneMQ-DeadlineKyberBFQ low-latencyBFQ60K120K180K240K300KSE +/- 4255.75, N = 3SE +/- 3838.79, N = 3SE +/- 2588.05, N = 15SE +/- 1752.30, N = 3SE +/- 3156.44, N = 15291627271238279252273739282883
OpenBenchmarking.orgOp/s, More Is BetterApache Cassandra 3.11.4Test: WritesNoneMQ-DeadlineKyberBFQ low-latencyBFQ50K100K150K200K250KMin: 283117 / Avg: 291627.33 / Max: 296005Min: 264111 / Avg: 271238 / Max: 277274Min: 265176 / Avg: 279252.33 / Max: 292634Min: 271661 / Avg: 273739 / Max: 277222Min: 263491 / Avg: 282882.67 / Max: 299242

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ7K14K21K28K35KSE +/- 159.25, N = 3SE +/- 842.51, N = 12SE +/- 138.08, N = 3SE +/- 810.82, N = 15SE +/- 1587.48, N = 1234082312093371529761232751. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ6K12K18K24K30KMin: 33772 / Avg: 34081.67 / Max: 34301Min: 25233 / Avg: 31209.42 / Max: 33819Min: 33439 / Avg: 33715 / Max: 33861Min: 23299 / Avg: 29761.2 / Max: 32907Min: 6684 / Avg: 23274.58 / Max: 270131. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Apache HBase

This is a benchmark of the Apache HBase non-relational distributed database system inspired from Google's Bigtable. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Sequential Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ4080120160200SE +/- 2.19, N = 15SE +/- 2.37, N = 15SE +/- 3.21, N = 3SE +/- 2.20, N = 15SE +/- 1.54, N = 15172187191179184
OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Sequential Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ4080120160200Min: 167 / Avg: 171.73 / Max: 193Min: 175 / Avg: 187.47 / Max: 207Min: 185 / Avg: 191 / Max: 196Min: 171 / Avg: 179.4 / Max: 198Min: 181 / Avg: 184.4 / Max: 204

OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Sequential Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ40K80K120K160K200KSE +/- 2136.52, N = 15SE +/- 2100.10, N = 15SE +/- 2793.36, N = 3SE +/- 2066.20, N = 15SE +/- 1398.50, N = 15185345170160166203177460173354
OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Sequential Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ30K60K90K120K150KMin: 164556 / Avg: 185344.93 / Max: 190251Min: 153602 / Avg: 170159.6 / Max: 182041Min: 161775 / Avg: 166202.67 / Max: 171367Min: 160563 / Avg: 177459.8 / Max: 185791Min: 155558 / Avg: 173353.73 / Max: 176725

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000SE +/- 10.37, N = 8SE +/- 27.25, N = 15SE +/- 36.75, N = 12SE +/- 68.36, N = 12SE +/- 49.26, N = 159868478846867031. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 916 / Avg: 986 / Max: 1007Min: 681 / Avg: 846.93 / Max: 959Min: 538 / Avg: 884.25 / Max: 974Min: 135 / Avg: 685.5 / Max: 855Min: 264 / Avg: 703.4 / Max: 8171. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ400800120016002000SE +/- 20.59, N = 8SE +/- 54.46, N = 15SE +/- 73.55, N = 12SE +/- 136.82, N = 12SE +/- 98.56, N = 15197917011776137814141. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500Min: 1840 / Avg: 1979 / Max: 2020Min: 1370 / Avg: 1701.33 / Max: 1925Min: 1082 / Avg: 1775.58 / Max: 1955Min: 276 / Avg: 1378.25 / Max: 1718Min: 535 / Avg: 1413.93 / Max: 16411. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeleteNoneMQ-DeadlineKyberBFQ low-latencyBFQ60120180240300SE +/- 0.66, N = 3SE +/- 0.58, N = 3SE +/- 0.37, N = 3SE +/- 0.13, N = 3SE +/- 0.64, N = 3256.30257.51257.43257.17258.151. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random DeleteNoneMQ-DeadlineKyberBFQ low-latencyBFQ50100150200250Min: 255.37 / Avg: 256.3 / Max: 257.58Min: 256.77 / Avg: 257.51 / Max: 258.65Min: 256.74 / Avg: 257.43 / Max: 258.02Min: 256.97 / Avg: 257.17 / Max: 257.42Min: 257.07 / Avg: 258.15 / Max: 259.291. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ60120180240300SE +/- 0.55, N = 3SE +/- 0.41, N = 3SE +/- 0.53, N = 3SE +/- 0.62, N = 3SE +/- 0.62, N = 3257.33257.85256.08256.94257.011. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ50100150200250Min: 256.3 / Avg: 257.33 / Max: 258.18Min: 257.06 / Avg: 257.85 / Max: 258.46Min: 255.32 / Avg: 256.08 / Max: 257.11Min: 256.01 / Avg: 256.94 / Max: 258.12Min: 255.82 / Avg: 257.01 / Max: 257.911. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430SE +/- 0.06, N = 3SE +/- 0.03, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.09, N = 327.527.427.627.527.51. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430Min: 27.4 / Avg: 27.5 / Max: 27.6Min: 27.4 / Avg: 27.43 / Max: 27.5Min: 27.5 / Avg: 27.63 / Max: 27.7Min: 27.4 / Avg: 27.53 / Max: 27.6Min: 27.4 / Avg: 27.53 / Max: 27.71. (CXX) g++ options: -O3 -lsnappy -lpthread

FS-Mark

FS_Mark is designed to test a system's file-system performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500SE +/- 9.23, N = 3SE +/- 121.16, N = 12SE +/- 87.62, N = 12SE +/- 103.97, N = 12SE +/- 2.86, N = 31238.2773.5593.5647.2364.51. (CC) gcc options: -static
OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 5000 Files, 1MB Size, 4 ThreadsNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 1219.9 / Avg: 1238.17 / Max: 1249.6Min: 369.2 / Avg: 773.54 / Max: 1251.2Min: 339.4 / Avg: 593.48 / Max: 1057.1Min: 368.5 / Avg: 647.21 / Max: 1238.7Min: 359.5 / Avg: 364.53 / Max: 369.41. (CC) gcc options: -static

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ50K100K150K200K250KSE +/- 2603.42, N = 3SE +/- 2212.23, N = 15SE +/- 14652.50, N = 12SE +/- 3250.00, N = 4SE +/- 4178.09, N = 122506672494672261422407502457501. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ40K80K120K160K200KMin: 246000 / Avg: 250666.67 / Max: 255000Min: 226000 / Avg: 249466.67 / Max: 259000Min: 75700 / Avg: 226141.67 / Max: 253000Min: 232000 / Avg: 240750 / Max: 247000Min: 205000 / Avg: 245750 / Max: 2600001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000SE +/- 10.41, N = 3SE +/- 8.60, N = 15SE +/- 57.22, N = 12SE +/- 12.91, N = 4SE +/- 16.31, N = 129799758839409601. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 960 / Avg: 978.67 / Max: 996Min: 884 / Avg: 974.93 / Max: 1013Min: 296 / Avg: 883.42 / Max: 988Min: 905 / Avg: 940.25 / Max: 964Min: 801 / Avg: 959.67 / Max: 10171. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

Timed GDB GNU Debugger Compilation

This test times how long it takes to build the GNU Debugger (GDB) in a default configuration. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GDB GNU Debugger Compilation 9.1Time To CompileNoneMQ-DeadlineKyberBFQ low-latencyBFQ20406080100SE +/- 0.11, N = 3SE +/- 0.08, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 3SE +/- 0.05, N = 380.4180.2580.3680.8980.80
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed GDB GNU Debugger Compilation 9.1Time To CompileNoneMQ-DeadlineKyberBFQ low-latencyBFQ1530456075Min: 80.29 / Avg: 80.41 / Max: 80.63Min: 80.14 / Avg: 80.25 / Max: 80.41Min: 80.28 / Avg: 80.36 / Max: 80.47Min: 80.8 / Avg: 80.89 / Max: 80.96Min: 80.72 / Avg: 80.8 / Max: 80.9

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ40M80M120M160M200MSE +/- 2048541.15, N = 3SE +/- 1286835.14, N = 3SE +/- 3150233.61, N = 3SE +/- 2267118.09, N = 5SE +/- 2076338.73, N = 61813220241799969091833244541805173711842328881. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ30M60M90M120M150MMin: 177243498 / Avg: 181322024.33 / Max: 183698600Min: 177667589 / Avg: 179996909 / Max: 182109480Min: 177512979 / Avg: 183324454 / Max: 188337793Min: 176243636 / Avg: 180517371 / Max: 188230830Min: 174502992 / Avg: 184232887.83 / Max: 1883442921. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

KeyDB

A benchmark of KeyDB as a multi-threaded fork of the Redis server. The KeyDB benchmark is conducted using memtier-benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOps/sec, More Is BetterKeyDB 5.3.1NoneMQ-DeadlineKyberBFQ low-latencyBFQ110K220K330K440K550KSE +/- 3949.59, N = 3SE +/- 5087.07, N = 3SE +/- 2621.85, N = 3SE +/- 2938.61, N = 3SE +/- 3207.20, N = 3519045.76522808.47527545.50525133.31522119.621. (CXX) g++ options: -O2 -levent -lpthread -lz -lpcre
OpenBenchmarking.orgOps/sec, More Is BetterKeyDB 5.3.1NoneMQ-DeadlineKyberBFQ low-latencyBFQ90K180K270K360K450KMin: 512975.13 / Avg: 519045.76 / Max: 526458.11Min: 512672.05 / Avg: 522808.47 / Max: 528634.69Min: 522319.5 / Avg: 527545.53 / Max: 530531Min: 519519.67 / Avg: 525133.31 / Max: 529447.29Min: 517829.76 / Avg: 522119.62 / Max: 528394.461. (CXX) g++ options: -O2 -levent -lpthread -lz -lpcre

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Read While WritingNoneMQ-DeadlineKyberBFQ low-latencyBFQ1.3M2.6M3.9M5.2M6.5MSE +/- 29916.58, N = 3SE +/- 80811.91, N = 5SE +/- 21536.07, N = 3SE +/- 22104.21, N = 3SE +/- 70731.04, N = 3616453561842886131530611619062942101. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Read While WritingNoneMQ-DeadlineKyberBFQ low-latencyBFQ1.1M2.2M3.3M4.4M5.5MMin: 6105253 / Avg: 6164535 / Max: 6201193Min: 6040407 / Avg: 6184287.6 / Max: 6496382Min: 6099350 / Avg: 6131530 / Max: 6172414Min: 6072042 / Avg: 6116189.67 / Max: 6140270Min: 6213994 / Avg: 6294209.67 / Max: 64352271. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomNoneMQ-DeadlineKyberBFQ low-latencyBFQ1530456075SE +/- 0.15, N = 3SE +/- 0.04, N = 3SE +/- 0.11, N = 3SE +/- 0.24, N = 3SE +/- 0.07, N = 366.5866.8966.6166.2366.341. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomNoneMQ-DeadlineKyberBFQ low-latencyBFQ1326395265Min: 66.3 / Avg: 66.58 / Max: 66.81Min: 66.81 / Avg: 66.89 / Max: 66.94Min: 66.4 / Avg: 66.61 / Max: 66.76Min: 65.8 / Avg: 66.23 / Max: 66.63Min: 66.2 / Avg: 66.34 / Max: 66.421. (CXX) g++ options: -O3 -lsnappy -lpthread

Apache HBase

This is a benchmark of the Apache HBase non-relational distributed database system inspired from Google's Bigtable. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Increment - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ60120180240300SE +/- 1.45, N = 3SE +/- 2.19, N = 3SE +/- 1.86, N = 3SE +/- 2.89, N = 3287286284288284
OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Increment - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ50100150200250Min: 284 / Avg: 286.67 / Max: 289Min: 283 / Avg: 285.67 / Max: 290Min: 282 / Avg: 284.33 / Max: 288Min: 279 / Avg: 284 / Max: 289

OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Increment - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ20K40K60K80K100KSE +/- 367.77, N = 3SE +/- 672.36, N = 3SE +/- 732.48, N = 3SE +/- 503.81, N = 3SE +/- 1065.86, N = 3110680110917111460110196111730
OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Increment - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ20K40K60K80K100KMin: 110044 / Avg: 110680 / Max: 111318Min: 109572 / Avg: 110916.67 / Max: 111599Min: 109997 / Avg: 111459.67 / Max: 112262Min: 109403 / Avg: 110196.33 / Max: 111131Min: 109830 / Avg: 111730.33 / Max: 113517

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ300K600K900K1200K1500KSE +/- 3276.95, N = 3SE +/- 11269.49, N = 3SE +/- 2916.55, N = 3SE +/- 2824.61, N = 3SE +/- 5909.18, N = 3120514511855631193020118874711785581. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ200K400K600K800K1000KMin: 1198745 / Avg: 1205145.33 / Max: 1209567Min: 1166371 / Avg: 1185563.33 / Max: 1205394Min: 1187396 / Avg: 1193019.67 / Max: 1197173Min: 1185102 / Avg: 1188746.67 / Max: 1194307Min: 1171280 / Avg: 1178558 / Max: 11902611. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ300K600K900K1200K1500KSE +/- 9824.57, N = 3SE +/- 3005.09, N = 3SE +/- 9197.27, N = 3SE +/- 3978.59, N = 3SE +/- 11522.86, N = 3123555812378221216032122097412259701. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Sequential FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ200K400K600K800K1000KMin: 1216083 / Avg: 1235558 / Max: 1247556Min: 1234749 / Avg: 1237822.33 / Max: 1243832Min: 1204568 / Avg: 1216032 / Max: 1234222Min: 1213249 / Avg: 1220974 / Max: 1226489Min: 1211678 / Avg: 1225970.33 / Max: 12487731. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ60K120K180K240K300KSE +/- 2679.89, N = 11SE +/- 3179.80, N = 3SE +/- 2309.40, N = 3SE +/- 3511.88, N = 3SE +/- 3785.94, N = 33030002986672960002600002630001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ50K100K150K200K250KMin: 289000 / Avg: 303000 / Max: 315000Min: 295000 / Avg: 298666.67 / Max: 305000Min: 292000 / Avg: 296000 / Max: 300000Min: 253000 / Avg: 260000 / Max: 264000Min: 256000 / Avg: 263000 / Max: 2690001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500SE +/- 10.45, N = 11SE +/- 11.84, N = 3SE +/- 8.11, N = 3SE +/- 13.20, N = 3SE +/- 15.25, N = 3118411661155101510271. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 1130 / Avg: 1183.55 / Max: 1232Min: 1154 / Avg: 1166.33 / Max: 1190Min: 1142 / Avg: 1155.33 / Max: 1170Min: 989 / Avg: 1015.33 / Max: 1030Min: 998 / Avg: 1026.67 / Max: 10501. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ80K160K240K320K400KSE +/- 1452.97, N = 3SE +/- 1763.83, N = 3SE +/- 3439.15, N = 6SE +/- 2481.93, N = 5SE +/- 2843.12, N = 43536672863332851672016002045001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ60K120K180K240K300KMin: 351000 / Avg: 353666.67 / Max: 356000Min: 283000 / Avg: 286333.33 / Max: 289000Min: 268000 / Avg: 285166.67 / Max: 289000Min: 192000 / Avg: 201600 / Max: 206000Min: 196000 / Avg: 204500 / Max: 2080001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500SE +/- 5.78, N = 3SE +/- 6.17, N = 3SE +/- 13.18, N = 6SE +/- 9.65, N = 5SE +/- 11.02, N = 41381111911147878001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 1371 / Avg: 1381.33 / Max: 1391Min: 1107 / Avg: 1118.67 / Max: 1128Min: 1048 / Avg: 1113.83 / Max: 1130Min: 750 / Avg: 787.2 / Max: 804Min: 767 / Avg: 800 / Max: 8131. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ1020304050SE +/- 0.15, N = 3SE +/- 0.18, N = 3SE +/- 0.09, N = 3SE +/- 0.15, N = 3SE +/- 0.44, N = 341.2741.3041.0540.8141.821. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ918273645Min: 41.03 / Avg: 41.27 / Max: 41.55Min: 41.02 / Avg: 41.3 / Max: 41.64Min: 40.89 / Avg: 41.05 / Max: 41.2Min: 40.58 / Avg: 40.81 / Max: 41.09Min: 41.26 / Avg: 41.82 / Max: 42.681. (CXX) g++ options: -O3 -lsnappy -lpthread

Apache HBase

This is a benchmark of the Apache HBase non-relational distributed database system inspired from Google's Bigtable. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Async Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ4080120160200SE +/- 1.86, N = 3SE +/- 2.33, N = 3SE +/- 2.03, N = 3SE +/- 1.76, N = 3SE +/- 2.19, N = 3188190179194193
OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Async Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ4080120160200Min: 186 / Avg: 188.33 / Max: 192Min: 186 / Avg: 189.67 / Max: 194Min: 176 / Avg: 179.33 / Max: 183Min: 191 / Avg: 193.67 / Max: 197Min: 190 / Avg: 192.67 / Max: 197

OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Async Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ40K80K120K160K200KSE +/- 1741.28, N = 3SE +/- 1862.94, N = 3SE +/- 2062.43, N = 3SE +/- 1743.02, N = 3SE +/- 1905.12, N = 3167371166000175746162581163602
OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Async Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ30K60K90K120K150KMin: 163953 / Avg: 167370.67 / Max: 169659Min: 162505 / Avg: 165999.67 / Max: 168866Min: 172216 / Avg: 175745.67 / Max: 179359Min: 159156 / Avg: 162581.33 / Max: 164855Min: 159836 / Avg: 163602.33 / Max: 165985

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ918273645SE +/- 0.21, N = 3SE +/- 0.16, N = 3SE +/- 0.14, N = 3SE +/- 0.18, N = 3SE +/- 0.26, N = 340.9641.0240.8941.0541.061. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadNoneMQ-DeadlineKyberBFQ low-latencyBFQ918273645Min: 40.59 / Avg: 40.96 / Max: 41.32Min: 40.78 / Avg: 41.02 / Max: 41.32Min: 40.61 / Avg: 40.89 / Max: 41.07Min: 40.77 / Avg: 41.05 / Max: 41.38Min: 40.55 / Avg: 41.06 / Max: 41.321. (CXX) g++ options: -O3 -lsnappy -lpthread

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ110K220K330K440K550KSE +/- 1452.97, N = 3SE +/- 3214.55, N = 3SE +/- 1666.67, N = 3SE +/- 4176.65, N = 3SE +/- 6670.83, N = 43793334260004933333513334920001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ90K180K270K360K450KMin: 377000 / Avg: 379333.33 / Max: 382000Min: 421000 / Avg: 426000 / Max: 432000Min: 490000 / Avg: 493333.33 / Max: 495000Min: 343000 / Avg: 351333.33 / Max: 356000Min: 472000 / Avg: 492000 / Max: 4990001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ400800120016002000SE +/- 5.81, N = 3SE +/- 12.35, N = 3SE +/- 7.17, N = 3SE +/- 16.23, N = 3SE +/- 26.11, N = 4148316651927137319211. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500Min: 1474 / Avg: 1483.33 / Max: 1494Min: 1646 / Avg: 1664.67 / Max: 1688Min: 1913 / Avg: 1927.33 / Max: 1935Min: 1341 / Avg: 1373.33 / Max: 1392Min: 1843 / Avg: 1921.25 / Max: 19501. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

SQLite

This is a simple benchmark of SQLite. At present this test profile just measures the time to perform a pre-defined number of insertions on an indexed database. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 1NoneMQ-DeadlineKyberBFQ low-latencyBFQ48121620SE +/- 0.05, N = 3SE +/- 0.05, N = 3SE +/- 0.20, N = 15SE +/- 0.15, N = 8SE +/- 0.14, N = 314.4214.3915.0814.7214.601. (CC) gcc options: -O2 -lz -lm -ldl -lpthread
OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.30.1Threads / Copies: 1NoneMQ-DeadlineKyberBFQ low-latencyBFQ48121620Min: 14.35 / Avg: 14.42 / Max: 14.51Min: 14.29 / Avg: 14.39 / Max: 14.46Min: 14.55 / Avg: 15.08 / Max: 16.46Min: 14.41 / Avg: 14.72 / Max: 15.69Min: 14.44 / Avg: 14.6 / Max: 14.881. (CC) gcc options: -O2 -lz -lm -ldl -lpthread

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ400800120016002000SE +/- 1.67, N = 3SE +/- 1.15, N = 3SE +/- 2.40, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 3190919802007189320011. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ30060090012001500Min: 1907 / Avg: 1908.67 / Max: 1912Min: 1978 / Avg: 1980 / Max: 1982Min: 2004 / Avg: 2007.33 / Max: 2012Min: 1890 / Avg: 1892.67 / Max: 1894Min: 2000 / Avg: 2000.67 / Max: 20021. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ9001800270036004500SE +/- 3.33, N = 3SE +/- 2.33, N = 3SE +/- 4.73, N = 3SE +/- 2.67, N = 3SE +/- 1.33, N = 3382539674021379240091. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test DirectoryNoneMQ-DeadlineKyberBFQ low-latencyBFQ7001400210028003500Min: 3822 / Avg: 3825.33 / Max: 3832Min: 3963 / Avg: 3967.33 / Max: 3971Min: 4014 / Avg: 4021 / Max: 4030Min: 3787 / Avg: 3792.33 / Max: 3795Min: 4008 / Avg: 4009.33 / Max: 40121. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -march=native -ll -lrt -laio -lz -lpthread -lm -ldl

Apache HBase

This is a benchmark of the Apache HBase non-relational distributed database system inspired from Google's Bigtable. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ306090120150SE +/- 0.67, N = 3SE +/- 0.67, N = 3131131130130132
OpenBenchmarking.orgMicroseconds - Average Latency, Fewer Is BetterApache HBase 2.2.3Test: Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ20406080100Min: 130 / Avg: 131.33 / Max: 132Min: 129 / Avg: 130.33 / Max: 131

OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ50K100K150K200K250KSE +/- 1261.46, N = 3SE +/- 1696.17, N = 3SE +/- 1147.34, N = 3SE +/- 1176.18, N = 3SE +/- 1073.93, N = 3239965239244240821241114238769
OpenBenchmarking.orgRows Per Second, More Is BetterApache HBase 2.2.3Test: Random Read - Clients: 32NoneMQ-DeadlineKyberBFQ low-latencyBFQ40K80K120K160K200KMin: 238479 / Avg: 239965.33 / Max: 242474Min: 237000 / Avg: 239243.67 / Max: 242569Min: 239563 / Avg: 240821 / Max: 243112Min: 239047 / Avg: 241114.33 / Max: 243120Min: 237489 / Avg: 238769.33 / Max: 240903

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ60120180240300SE +/- 0.41, N = 3SE +/- 0.87, N = 3SE +/- 0.64, N = 3SE +/- 0.15, N = 3SE +/- 0.38, N = 3265.44265.98265.72264.87265.211. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ50100150200250Min: 265 / Avg: 265.44 / Max: 266.27Min: 264.59 / Avg: 265.97 / Max: 267.6Min: 264.9 / Avg: 265.72 / Max: 266.97Min: 264.69 / Avg: 264.87 / Max: 265.16Min: 264.8 / Avg: 265.21 / Max: 265.971. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430SE +/- 0.03, N = 3SE +/- 0.09, N = 3SE +/- 0.07, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 326.726.626.626.726.71. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Random FillNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430Min: 26.6 / Avg: 26.67 / Max: 26.7Min: 26.4 / Avg: 26.57 / Max: 26.7Min: 26.5 / Avg: 26.63 / Max: 26.7Min: 26.7 / Avg: 26.7 / Max: 26.7Min: 26.6 / Avg: 26.67 / Max: 26.71. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ60120180240300SE +/- 0.82, N = 3SE +/- 0.58, N = 3SE +/- 1.16, N = 3SE +/- 0.56, N = 3SE +/- 0.58, N = 3264.66265.35265.72265.55264.251. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: OverwriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ50100150200250Min: 263.09 / Avg: 264.66 / Max: 265.88Min: 264.2 / Avg: 265.35 / Max: 266.04Min: 263.91 / Avg: 265.71 / Max: 267.89Min: 264.61 / Avg: 265.55 / Max: 266.56Min: 263.12 / Avg: 264.25 / Max: 265.021. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430SE +/- 0.09, N = 3SE +/- 0.07, N = 3SE +/- 0.12, N = 3SE +/- 0.06, N = 3SE +/- 0.07, N = 326.726.726.626.626.81. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: OverwriteNoneMQ-DeadlineKyberBFQ low-latencyBFQ612182430Min: 26.6 / Avg: 26.73 / Max: 26.9Min: 26.6 / Avg: 26.67 / Max: 26.8Min: 26.4 / Avg: 26.63 / Max: 26.8Min: 26.5 / Avg: 26.6 / Max: 26.7Min: 26.7 / Avg: 26.77 / Max: 26.91. (CXX) g++ options: -O3 -lsnappy -lpthread

FS-Mark

FS_Mark is designed to test a system's file-system performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeNoneMQ-DeadlineKyberBFQ low-latencyBFQ130260390520650SE +/- 0.97, N = 3SE +/- 2.75, N = 3SE +/- 24.28, N = 13SE +/- 1.70, N = 3SE +/- 21.50, N = 12592.3591.4545.8590.6528.41. (CC) gcc options: -static
OpenBenchmarking.orgFiles/s, More Is BetterFS-Mark 3.3Test: 4000 Files, 32 Sub Dirs, 1MB SizeNoneMQ-DeadlineKyberBFQ low-latencyBFQ100200300400500Min: 590.4 / Avg: 592.33 / Max: 593.4Min: 586.2 / Avg: 591.43 / Max: 595.5Min: 302.5 / Avg: 545.78 / Max: 595.2Min: 588.2 / Avg: 590.63 / Max: 593.9Min: 331.4 / Avg: 528.38 / Max: 601.31. (CC) gcc options: -static

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ400800120016002000SE +/- 3.92, N = 3SE +/- 5.68, N = 3SE +/- 13.46, N = 3SE +/- 19.30, N = 3SE +/- 19.00, N = 61954.381966.911967.161998.442019.671. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ400800120016002000Min: 1947.65 / Avg: 1954.38 / Max: 1961.23Min: 1959.76 / Avg: 1966.91 / Max: 1978.13Min: 1942.11 / Avg: 1967.16 / Max: 1988.21Min: 1972.85 / Avg: 1998.44 / Max: 2036.25Min: 1963.38 / Avg: 2019.67 / Max: 2067.391. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ0.811.622.433.244.05SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 63.63.63.63.53.51. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Fill SyncNoneMQ-DeadlineKyberBFQ low-latencyBFQ246810Min: 3.6 / Avg: 3.6 / Max: 3.6Min: 3.5 / Avg: 3.57 / Max: 3.6Min: 3.5 / Avg: 3.57 / Max: 3.6Min: 3.4 / Avg: 3.5 / Max: 3.6Min: 3.4 / Avg: 3.48 / Max: 3.61. (CXX) g++ options: -O3 -lsnappy -lpthread

IOR

IOR is a parallel I/O storage benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterIOR 3.2.1Read TestNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000SE +/- 0.64, N = 3SE +/- 1.94, N = 3SE +/- 5.68, N = 3SE +/- 5.02, N = 3SE +/- 2.94, N = 3995.19977.23977.87978.41986.32MIN: 727.61 / MAX: 1323.38MIN: 746.57 / MAX: 1252.84MIN: 718.27 / MAX: 1337.12MIN: 724.27 / MAX: 1310.08MIN: 715.91 / MAX: 1357.451. (CC) gcc options: -O2 -lm -pthread -lmpi
OpenBenchmarking.orgMB/s, More Is BetterIOR 3.2.1Read TestNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000Min: 994.16 / Avg: 995.19 / Max: 996.37Min: 974.12 / Avg: 977.23 / Max: 980.8Min: 966.52 / Avg: 977.87 / Max: 983.89Min: 972.67 / Avg: 978.41 / Max: 988.42Min: 980.69 / Avg: 986.32 / Max: 990.571. (CC) gcc options: -O2 -lm -pthread -lmpi

OpenBenchmarking.orgMB/s, More Is BetterIOR 3.2.1Write TestNoneMQ-DeadlineKyberBFQ low-latencyBFQ2004006008001000SE +/- 3.67, N = 3SE +/- 6.47, N = 3SE +/- 5.10, N = 3SE +/- 4.45, N = 3SE +/- 5.04, N = 3797.73794.35781.43799.22770.48MIN: 165.18 / MAX: 906.83MIN: 162.92 / MAX: 909.98MIN: 13.98 / MAX: 900.79MIN: 156.94 / MAX: 903.57MIN: 13.92 / MAX: 898.051. (CC) gcc options: -O2 -lm -pthread -lmpi
OpenBenchmarking.orgMB/s, More Is BetterIOR 3.2.1Write TestNoneMQ-DeadlineKyberBFQ low-latencyBFQ140280420560700Min: 790.51 / Avg: 797.73 / Max: 802.48Min: 781.47 / Avg: 794.35 / Max: 801.91Min: 771.59 / Avg: 781.43 / Max: 788.66Min: 793.69 / Avg: 799.22 / Max: 808.02Min: 760.81 / Avg: 770.48 / Max: 777.81. (CC) gcc options: -O2 -lm -pthread -lmpi

52 Results Shown

MariaDB
Apache Cassandra
Timed GCC Compilation
SQLite
Apache HBase:
  Async Rand Write - 32:
    Microseconds - Average Latency
    Rows Per Second
PostgreSQL pgbench
Apache Cassandra
Facebook RocksDB
Apache HBase:
  Seq Read - 32:
    Microseconds - Average Latency
    Rows Per Second
Flexible IO Tester:
  Seq Write - IO_uring - Yes - No - 2MB - Default Test Directory:
    IOPS
    MB/s
LevelDB:
  Rand Delete
  Seq Fill
  Seq Fill
FS-Mark
Flexible IO Tester:
  Rand Write - IO_uring - Yes - No - 4KB - Default Test Directory:
    IOPS
    MB/s
Timed GDB GNU Debugger Compilation
Facebook RocksDB
KeyDB
Facebook RocksDB
LevelDB
Apache HBase:
  Increment - 32:
    Microseconds - Average Latency
    Rows Per Second
Facebook RocksDB:
  Rand Fill
  Seq Fill
Flexible IO Tester:
  Seq Write - IO_uring - Yes - No - 4KB - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - No - 4KB - Default Test Directory:
    IOPS
    MB/s
LevelDB
Apache HBase:
  Async Rand Read - 32:
    Microseconds - Average Latency
    Rows Per Second
LevelDB
Flexible IO Tester:
  Seq Read - IO_uring - Yes - No - 4KB - Default Test Directory:
    IOPS
    MB/s
SQLite
Flexible IO Tester:
  Seq Read - IO_uring - Yes - No - 2MB - Default Test Directory:
    IOPS
    MB/s
Apache HBase:
  Rand Read - 32:
    Microseconds - Average Latency
    Rows Per Second
LevelDB:
  Rand Fill:
    Microseconds Per Op
    MB/s
  Overwrite:
    Microseconds Per Op
    MB/s
FS-Mark
LevelDB:
  Fill Sync:
    Microseconds Per Op
    MB/s
IOR:
  Read Test
  Write Test