ceph_mtu900_readahead4096

Ceph new installation with ext4 and same memory amount

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ceph_mtu900_readahead4096
March 18 2015
 
Ceph_new_mtu9000_readahead4096
May 01 2015
 
Ceph_new_mtu9000_ext4
May 01 2015
 
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ceph_mtu900_readahead4096ProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem Layerceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4QEMU Virtual 2.1.3 @ 2.70GHz (1 Core)QEMU Standard PC (i440FX + PIIX 1996)Intel 440FX- 82441FX PMC1 x 4096 MB RAM QEMU99GBCirrus Logic GD 5446Red Hat Virtio deviceUbuntu 14.043.13.0-32-generic (x86_64)GCC 4.8.2ext41024x768QEMU 2.1.3Intel Xeon E312xx @ 2.70GHz (1 Core)493MB8GBArch Linux4.0.1-1-ARCH (x86_64)GCC 4.9.2 20150304xfsKVM4096MBext4OpenBenchmarking.orgCompiler Details- ceph_mtu900_readahead4096: --build=x86_64-linux-gnu --disable-browser-plugin --disable-libmudflap --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - Ceph_new_mtu9000_readahead4096: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-multilib --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=isl --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-linker-hash-style=gnu - Ceph_new_mtu9000_ext4: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-multilib --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-clocale=gnu --enable-cloog-backend=isl --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-linker-hash-style=gnu Disk Mount Options Details- ceph_mtu900_readahead4096: data=ordered,relatime,rw- Ceph_new_mtu9000_readahead4096: attr2,inode64,logbsize=256k,logbufs=8,noatime,noquota,rw- Ceph_new_mtu9000_ext4: data=ordered,relatime,rw

ceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4Logarithmic Result OverviewPhoronix Test SuiteFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterRand Write - POSIX AIO - No - 64KB - IOPSSeq Read - POSIX AIO - Yes - 64KB - MB/sSeq Read - POSIX AIO - Yes - 64KB - IOPSSeq Write - POSIX AIO - No - 64KB - MB/sSeq Write - POSIX AIO - No - 64KB - IOPSRand Write - POSIX AIO - Yes - 64KB - IOPSSeq Write - POSIX AIO - Yes - 64KB - MB/sRand Write - POSIX AIO - Yes - 64KB - MB/sSeq Write - POSIX AIO - Yes - 64KB - IOPSSeq Read - POSIX AIO - No - 64KB - IOPSSeq Read - POSIX AIO - No - 64KB - MB/sRand Read - POSIX AIO - No - 64KB - IOPSRand Read - POSIX AIO - No - 64KB - MB/sRand Read - POSIX AIO - Yes - 64KB - IOPSRand Read - POSIX AIO - Yes - 64KB - MB/s

ceph_mtu900_readahead4096fio: Rand Read - POSIX AIO - No - 64KB - Default Test Directory - IOPSfio: Rand Read - POSIX AIO - No - 64KB - Default Test Directory - MB/sfio: Rand Read - POSIX AIO - Yes - 64KB - Default Test Directory - IOPSfio: Rand Read - POSIX AIO - Yes - 64KB - Default Test Directory - MB/sfio: Rand Write - POSIX AIO - No - 64KB - Default Test Directory - IOPSfio: Rand Write - POSIX AIO - Yes - 64KB - Default Test Directory - IOPSfio: Rand Write - POSIX AIO - Yes - 64KB - Default Test Directory - MB/sfio: Seq Read - POSIX AIO - No - 64KB - Default Test Directory - IOPSfio: Seq Read - POSIX AIO - No - 64KB - Default Test Directory - MB/sfio: Seq Read - POSIX AIO - Yes - 64KB - Default Test Directory - IOPSfio: Seq Read - POSIX AIO - Yes - 64KB - Default Test Directory - MB/sfio: Seq Write - POSIX AIO - No - 64KB - Default Test Directory - IOPSfio: Seq Write - POSIX AIO - No - 64KB - Default Test Directory - MB/sfio: Seq Write - POSIX AIO - Yes - 64KB - Default Test Directory - IOPSfio: Seq Write - POSIX AIO - Yes - 64KB - Default Test Directory - MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext478649.8674647.4664125280.94102464.8713629954.421479.874766303.4855835.9954635.7145405724356.1364542.363177202.401762116.966564431.1352234.1451533.6977897523.9364642.133408213.971338.628556575.95OpenBenchmarking.org

Flexible IO Tester

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42004006008001000SE +/- 13.95, N = 6SE +/- 11.74, N = 6SE +/- 6.64, N = 3786558522-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4140280420560700Min: 758 / Avg: 786 / Max: 844Min: 521 / Avg: 557.67 / Max: 609Min: 510 / Avg: 521.67 / Max: 5331. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41122334455SE +/- 0.72, N = 6SE +/- 0.42, N = 3SE +/- 0.38, N = 349.8635.9934.14-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41020304050Min: 47.63 / Avg: 49.86 / Max: 52.09Min: 35.22 / Avg: 35.99 / Max: 36.66Min: 33.56 / Avg: 34.14 / Max: 34.851. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4160320480640800SE +/- 8.08, N = 3SE +/- 7.06, N = 3SE +/- 8.96, N = 4746546515-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4130260390520650Min: 736 / Avg: 746 / Max: 762Min: 533 / Avg: 546.33 / Max: 557Min: 498 / Avg: 514.5 / Max: 5401. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41122334455SE +/- 0.30, N = 3SE +/- 0.23, N = 3SE +/- 0.45, N = 647.4635.7133.69-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41020304050Min: 47 / Avg: 47.46 / Max: 48.03Min: 35.34 / Avg: 35.71 / Max: 36.14Min: 32.2 / Avg: 33.69 / Max: 34.931. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext410002000300040005000SE +/- 0.00, N = 3SE +/- 64.25, N = 6SE +/- 0.22, N = 6645407-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext48001600240032004000Min: 6 / Avg: 6 / Max: 6Min: 4346 / Avg: 4539.67 / Max: 4736Min: 6 / Avg: 6.5 / Max: 71. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42K4K6K8K10KSE +/- 274.97, N = 6SE +/- 67.11, N = 3SE +/- 200.06, N = 6412557247897-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext414002800420056007000Min: 3161 / Avg: 4125.33 / Max: 4951Min: 5634 / Avg: 5723.67 / Max: 5855Min: 7025 / Avg: 7896.83 / Max: 83121. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4110220330440550SE +/- 12.11, N = 6SE +/- 2.35, N = 3SE +/- 4.52, N = 3280.94356.13523.93-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext490180270360450Min: 248.12 / Avg: 280.94 / Max: 313.29Min: 352.09 / Avg: 356.13 / Max: 360.24Min: 514.89 / Avg: 523.93 / Max: 528.591. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42004006008001000SE +/- 2.67, N = 3SE +/- 9.61, N = 3SE +/- 2.67, N = 31024645646-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42004006008001000Min: 1021 / Avg: 1023.67 / Max: 1029Min: 632 / Avg: 645.33 / Max: 664Min: 643 / Avg: 645.67 / Max: 6511. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41428425670SE +/- 1.48, N = 6SE +/- 0.50, N = 3SE +/- 0.64, N = 364.8742.3642.13-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext41326395265Min: 59.27 / Avg: 64.87 / Max: 69.14Min: 41.62 / Avg: 42.36 / Max: 43.32Min: 41.07 / Avg: 42.13 / Max: 43.281. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext43K6K9K12K15KSE +/- 75.41, N = 3SE +/- 45.83, N = 3SE +/- 21.00, N = 31362931773408-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42K4K6K8K10KMin: 13516 / Avg: 13629 / Max: 13772Min: 3116 / Avg: 3177.33 / Max: 3267Min: 3375 / Avg: 3408 / Max: 34471. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42004006008001000SE +/- 15.47, N = 3SE +/- 0.66, N = 3SE +/- 2.06, N = 3954.42202.40213.97-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42004006008001000Min: 923.92 / Avg: 954.42 / Max: 974.14Min: 201.08 / Avg: 202.4 / Max: 203.19Min: 209.86 / Avg: 213.97 / Max: 216.391. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4400800120016002000SE +/- 2.73, N = 3SE +/- 142.48, N = 6SE +/- 0.67, N = 31471762133-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext430060090012001500Min: 143 / Avg: 146.67 / Max: 152Min: 1467 / Avg: 1762 / Max: 2395Min: 132 / Avg: 133.33 / Max: 1341. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4306090120150SE +/- 0.04, N = 3SE +/- 14.51, N = 6SE +/- 0.12, N = 39.87116.968.62-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext420406080100Min: 9.79 / Avg: 9.87 / Max: 9.94Min: 96.19 / Avg: 116.96 / Max: 186.59Min: 8.49 / Avg: 8.62 / Max: 8.861. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext42K4K6K8K10KSE +/- 163.21, N = 6SE +/- 68.04, N = 3SE +/- 50.17, N = 3476665648556-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPSceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext415003000450060007500Min: 4285 / Avg: 4765.83 / Max: 5431Min: 6460 / Avg: 6564 / Max: 6692Min: 8465 / Avg: 8556.33 / Max: 86381. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4120240360480600SE +/- 18.12, N = 6SE +/- 6.55, N = 3SE +/- 8.30, N = 6303.48431.13575.95-lz-lz1. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 2.1.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/sceph_mtu900_readahead4096Ceph_new_mtu9000_readahead4096Ceph_new_mtu9000_ext4100200300400500Min: 249.44 / Avg: 303.48 / Max: 358.57Min: 421.74 / Avg: 431.13 / Max: 443.73Min: 544.29 / Avg: 575.95 / Max: 601.781. (CC) gcc options: -rdynamic -std=gnu99 -O3 -ffast-math -include -lrt -laio -lm -lpthread -ldl