Benchmarking disk write cache on a SATA2 NCQ capable configuration. I added a few generic CPU tests as a reference for the system performance. The tests are going to try different file systems with or without write barrier and w/ or w/out disk write cache. The default CFQ scheduler is being used.
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phoronix-test-suite benchmark 1105175-GR-FILESYSTE14 Filesystem SATA NCQ - Phoronix Test Suite Filesystem SATA NCQ Benchmarking disk write cache on a SATA2 NCQ capable configuration. I added a few generic CPU tests as a reference for the system performance. The tests are going to try different file systems with or without write barrier and w/ or w/out disk write cache. The default CFQ scheduler is being used.
HTML result view exported from: https://openbenchmarking.org/result/1105175-GR-FILESYSTE14&grr&sor&rro .
Filesystem SATA NCQ Processor Motherboard Chipset Memory Disk Graphics OS Kernel Desktop Display Server Display Driver OpenGL Compiler File-System Screen Resolution ext3-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache ext4-nobarrier-nocache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache Intel Core i5 650 @ 3.19GHz (4 Cores) LENOVO 5852CB6 Intel Core 7680MB 320GB Western Digital WDC WD3200AAKX-0 Intel Core IGP 256MB SUSE LINUX 11 2.6.32.12-0.7-default (x86_64) GNOME 2.28.2 X Server 1.6.5 intel 2.10.0 1.4 (2.1 Mesa 7.7) GCC 4.3 ext3 1680x1050 ext2/ext3 Btrfs OpenBenchmarking.org System Details - Disk Scheduler: CFQ. Python 2.6. Intel SpeedStep was enabled.
Filesystem SATA NCQ unpack-linux: linux-2.6.32.tar.bz2 aio-stress: Rand Write postmark: Disk Transaction Performance tiobench: 64MB Rand Write - 32 Threads tiobench: 64MB Rand Read - 32 Threads fio: Intel IOMeter File Server Access Pattern fs-mark: 1000 Files, 1MB Size dbench: 128 Clients dbench: 48 Clients dbench: 12 Clients dbench: 1 Clients iozone: 8GB Read Performance iozone: 8GB Write Performance compilebench: Initial Create pgbench: TPC-B Transactions Per Second apache: Static Web Page Serving sqlite: 12,500 INSERTs compress-lzma: 256MB File Compression compress-pbzip2: 256MB File Compression compress-gzip: 2GB File Compression compress-7zip: Compress Speed Test john-the-ripper: Blowfish john-the-ripper: MD5 john-the-ripper: Traditional DES gcrypt: CAMELLIA256-ECB Cipher openssl: RSA 4096-bit Performance gnupg: 1GB File Encryption ext3-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache ext4-nobarrier-nocache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache 11.15 1158.37 1895 2.36 6489.86 87.42 14.05 13.73 21.04 19.96 11.54 60.78 74.76 138.17 115.95 12281.33 880.33 201.61 20.99 14.36 8041 897 15273 3246000 3443 53.38 15.84 11.15 1113.46 1936 1.45 6460.17 87.99 13.07 80.70 79.31 38.11 10.32 60.85 71.39 134.35 113.02 12148.53 864.26 201.24 20.95 14.62 8076 899 15189 3248667 3447 53.43 15.93 10.71 2031.73 4166 3.40 6360.62 52.74 14.95 70.14 72.32 50.80 11.23 66.27 113.82 200.49 169.68 12471.13 854.89 200.99 20.83 14.31 8076 897 15255 3243000 3447 53.35 15.91 10.89 2024.50 4166 1.73 6531.73 61.22 18.70 162.69 165.95 77.10 10.83 66.09 111.21 188.43 164.92 12136.65 840.08 201.30 21.44 14.52 8085 899 15283 3251333 3437 53.38 15.90 10.67 3090 51.70 6464.87 55.98 14.62 132.76 107.14 48.14 9.91 79.86 121.95 117.60 33.78 11944.80 1204.92 201.83 21.74 14.33 8045 898 15278 3249667 3440 53.40 15.97 10.76 3055 1.70 6481.51 51.98 16.73 46.54 50.46 29.37 9.69 85.53 124.94 95.55 29.48 12309.25 1485.46 201.47 20.70 14.53 8032 898 15232 3250667 3433 53.40 15.87 OpenBenchmarking.org
Unpacking The Linux Kernel linux-2.6.32.tar.bz2 OpenBenchmarking.org Seconds, Fewer Is Better Unpacking The Linux Kernel linux-2.6.32.tar.bz2 ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache btrfs-nocow-nobarrier-nocache ext4-barrier-cache btrfs-cow-barrier-cache 3 6 9 12 15 SE +/- 0.19, N = 4 SE +/- 0.42, N = 8 SE +/- 0.14, N = 4 SE +/- 0.10, N = 4 SE +/- 0.09, N = 4 SE +/- 0.13, N = 8 11.15 11.15 10.89 10.76 10.71 10.67
AIO-Stress Random Write OpenBenchmarking.org MB/s, More Is Better AIO-Stress 0.21 Random Write ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache ext4-barrier-cache 400 800 1200 1600 2000 SE +/- 21.98, N = 3 SE +/- 24.13, N = 6 SE +/- 11.53, N = 3 SE +/- 20.87, N = 3 1113.46 1158.37 2024.50 2031.73
PostMark Disk Transaction Performance OpenBenchmarking.org TPS, More Is Better PostMark 1.51 Disk Transaction Performance ext3-barrier-cache ext3-nobarrier-nocache btrfs-nocow-nobarrier-nocache btrfs-cow-barrier-cache ext4-barrier-cache ext4-nobarrier-nocache 900 1800 2700 3600 4500 SE +/- 27.60, N = 5 SE +/- 141.32, N = 10 SE +/- 46.40, N = 10 SE +/- 34.80, N = 10 SE +/- 0.00, N = 5 SE +/- 0.00, N = 5 1895 1936 3055 3090 4166 4166
Threaded I/O Tester 64MB Random Write - 32 Threads OpenBenchmarking.org MB/s, More Is Better Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads ext3-nobarrier-nocache btrfs-nocow-nobarrier-nocache ext4-nobarrier-nocache ext3-barrier-cache ext4-barrier-cache btrfs-cow-barrier-cache 12 24 36 48 60 SE +/- 0.03, N = 8 SE +/- 0.01, N = 4 SE +/- 0.01, N = 4 SE +/- 0.01, N = 4 SE +/- 0.01, N = 4 SE +/- 1.14, N = 8 1.45 1.70 1.73 2.36 3.40 51.70
Threaded I/O Tester 64MB Random Read - 32 Threads OpenBenchmarking.org MB/s, More Is Better Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads ext4-barrier-cache ext3-nobarrier-nocache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache 1400 2800 4200 5600 7000 SE +/- 90.95, N = 4 SE +/- 75.75, N = 4 SE +/- 29.65, N = 4 SE +/- 9.30, N = 4 SE +/- 66.48, N = 4 SE +/- 10.55, N = 4 6360.62 6460.17 6464.87 6481.51 6489.86 6531.73
Flexible IO Tester Intel IOMeter File Server Access Pattern OpenBenchmarking.org Seconds (Run Time), Fewer Is Better Flexible IO Tester 1.21 Intel IOMeter File Server Access Pattern ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache btrfs-cow-barrier-cache ext4-barrier-cache btrfs-nocow-nobarrier-nocache 20 40 60 80 100 SE +/- 1.35, N = 3 SE +/- 1.82, N = 6 SE +/- 0.07, N = 3 SE +/- 0.50, N = 3 SE +/- 0.95, N = 3 SE +/- 0.72, N = 6 87.99 87.42 61.22 55.98 52.74 51.98
FS-Mark 1000 Files, 1MB Size OpenBenchmarking.org Files/s, More Is Better FS-Mark 3.3 1000 Files, 1MB Size ext3-nobarrier-nocache ext3-barrier-cache btrfs-cow-barrier-cache ext4-barrier-cache btrfs-nocow-nobarrier-nocache ext4-nobarrier-nocache 5 10 15 20 25 SE +/- 0.44, N = 6 SE +/- 0.57, N = 6 SE +/- 0.21, N = 5 SE +/- 0.21, N = 6 SE +/- 0.03, N = 3 SE +/- 0.17, N = 3 13.07 14.05 14.62 14.95 16.73 18.70
Dbench 128 Clients OpenBenchmarking.org MB/s, More Is Better Dbench 4.0 128 Clients ext3-barrier-cache btrfs-nocow-nobarrier-nocache ext4-barrier-cache ext3-nobarrier-nocache btrfs-cow-barrier-cache ext4-nobarrier-nocache 40 80 120 160 200 SE +/- 0.67, N = 6 SE +/- 0.54, N = 3 SE +/- 1.05, N = 3 SE +/- 3.75, N = 3 SE +/- 4.84, N = 6 SE +/- 1.83, N = 3 13.73 46.54 70.14 80.70 132.76 162.69
Dbench 48 Clients OpenBenchmarking.org MB/s, More Is Better Dbench 4.0 48 Clients ext3-barrier-cache btrfs-nocow-nobarrier-nocache ext4-barrier-cache ext3-nobarrier-nocache btrfs-cow-barrier-cache ext4-nobarrier-nocache 40 80 120 160 200 SE +/- 0.14, N = 3 SE +/- 0.74, N = 3 SE +/- 0.51, N = 3 SE +/- 0.77, N = 3 SE +/- 0.18, N = 3 SE +/- 1.96, N = 3 21.04 50.46 72.32 79.31 107.14 165.95
Dbench 12 Clients OpenBenchmarking.org MB/s, More Is Better Dbench 4.0 12 Clients ext3-barrier-cache btrfs-nocow-nobarrier-nocache ext3-nobarrier-nocache btrfs-cow-barrier-cache ext4-barrier-cache ext4-nobarrier-nocache 20 40 60 80 100 SE +/- 0.08, N = 3 SE +/- 0.31, N = 3 SE +/- 3.42, N = 6 SE +/- 1.21, N = 6 SE +/- 0.28, N = 3 SE +/- 0.67, N = 3 19.96 29.37 38.11 48.14 50.80 77.10
Dbench 1 Clients OpenBenchmarking.org MB/s, More Is Better Dbench 4.0 1 Clients btrfs-nocow-nobarrier-nocache btrfs-cow-barrier-cache ext3-nobarrier-nocache ext4-nobarrier-nocache ext4-barrier-cache ext3-barrier-cache 3 6 9 12 15 SE +/- 0.16, N = 6 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.03, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 9.69 9.91 10.32 10.83 11.23 11.54
IOzone 8GB Read Performance OpenBenchmarking.org MB/s, More Is Better IOzone 3.347 8GB Read Performance ext3-barrier-cache ext3-nobarrier-nocache ext4-nobarrier-nocache ext4-barrier-cache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache 20 40 60 80 100 SE +/- 0.26, N = 3 SE +/- 0.01, N = 3 SE +/- 3.79, N = 6 SE +/- 3.63, N = 6 SE +/- 0.15, N = 3 SE +/- 0.16, N = 3 60.78 60.85 66.09 66.27 79.86 85.53
IOzone 8GB Write Performance OpenBenchmarking.org MB/s, More Is Better IOzone 3.347 8GB Write Performance ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache ext4-barrier-cache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache 30 60 90 120 150 SE +/- 0.94, N = 3 SE +/- 0.45, N = 3 SE +/- 2.45, N = 6 SE +/- 2.80, N = 6 SE +/- 2.42, N = 3 SE +/- 0.24, N = 3 71.39 74.76 111.21 113.82 121.95 124.94
Compile Bench Test: Initial Create OpenBenchmarking.org MB/s, More Is Better Compile Bench 0.6 Test: Initial Create btrfs-nocow-nobarrier-nocache btrfs-cow-barrier-cache ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache ext4-barrier-cache 40 80 120 160 200 SE +/- 1.85, N = 6 SE +/- 3.04, N = 6 SE +/- 3.85, N = 6 SE +/- 11.37, N = 6 SE +/- 4.64, N = 6 SE +/- 5.58, N = 6 95.55 117.60 134.35 138.17 188.43 200.49
PostgreSQL pgbench TPC-B Transactions Per Second OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 9.0.4 TPC-B Transactions Per Second btrfs-nocow-nobarrier-nocache btrfs-cow-barrier-cache ext3-nobarrier-nocache ext3-barrier-cache ext4-nobarrier-nocache ext4-barrier-cache 40 80 120 160 200 SE +/- 0.16, N = 3 SE +/- 0.39, N = 3 SE +/- 2.73, N = 6 SE +/- 0.51, N = 3 SE +/- 1.18, N = 3 SE +/- 0.43, N = 3 29.48 33.78 113.02 115.95 164.92 169.68
Apache Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.2.17 Static Web Page Serving btrfs-cow-barrier-cache ext4-nobarrier-nocache ext3-nobarrier-nocache ext3-barrier-cache btrfs-nocow-nobarrier-nocache ext4-barrier-cache 3K 6K 9K 12K 15K SE +/- 57.40, N = 3 SE +/- 176.78, N = 6 SE +/- 241.02, N = 3 SE +/- 169.63, N = 5 SE +/- 173.40, N = 3 SE +/- 118.49, N = 3 11944.80 12136.65 12148.53 12281.33 12309.25 12471.13
SQLite 12,500 INSERTs OpenBenchmarking.org Seconds, Fewer Is Better SQLite 3.7.3 12,500 INSERTs btrfs-nocow-nobarrier-nocache btrfs-cow-barrier-cache ext3-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache ext4-nobarrier-nocache 300 600 900 1200 1500 SE +/- 18.75, N = 3 SE +/- 15.76, N = 3 SE +/- 13.25, N = 3 SE +/- 11.99, N = 5 SE +/- 2.53, N = 3 SE +/- 4.84, N = 3 1485.46 1204.92 880.33 864.26 854.89 840.08
LZMA Compression 256MB File Compression OpenBenchmarking.org Seconds, Fewer Is Better LZMA Compression 256MB File Compression btrfs-cow-barrier-cache ext3-barrier-cache btrfs-nocow-nobarrier-nocache ext4-nobarrier-nocache ext3-nobarrier-nocache ext4-barrier-cache 40 80 120 160 200 SE +/- 0.66, N = 3 SE +/- 0.34, N = 3 SE +/- 0.21, N = 3 SE +/- 0.23, N = 3 SE +/- 0.04, N = 3 SE +/- 0.40, N = 3 201.83 201.61 201.47 201.30 201.24 200.99
Parallel BZIP2 Compression 256MB File Compression OpenBenchmarking.org Seconds, Fewer Is Better Parallel BZIP2 Compression 1.0.5 256MB File Compression btrfs-cow-barrier-cache ext4-nobarrier-nocache ext3-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache btrfs-nocow-nobarrier-nocache 5 10 15 20 25 SE +/- 0.10, N = 3 SE +/- 0.22, N = 3 SE +/- 0.29, N = 5 SE +/- 0.35, N = 4 SE +/- 0.10, N = 3 SE +/- 0.40, N = 6 21.74 21.44 20.99 20.95 20.83 20.70
Gzip Compression 2GB File Compression OpenBenchmarking.org Seconds, Fewer Is Better Gzip Compression 2GB File Compression ext3-nobarrier-nocache btrfs-nocow-nobarrier-nocache ext4-nobarrier-nocache ext3-barrier-cache btrfs-cow-barrier-cache ext4-barrier-cache 4 8 12 16 20 SE +/- 0.20, N = 3 SE +/- 0.24, N = 3 SE +/- 0.26, N = 3 SE +/- 0.06, N = 3 SE +/- 0.04, N = 3 SE +/- 0.04, N = 3 14.62 14.53 14.52 14.36 14.33 14.31
7-Zip Compression Compress Speed Test OpenBenchmarking.org MIPS, More Is Better 7-Zip Compression 9.13 Compress Speed Test btrfs-nocow-nobarrier-nocache ext3-barrier-cache btrfs-cow-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache ext4-nobarrier-nocache 2K 4K 6K 8K 10K SE +/- 8.69, N = 3 SE +/- 3.48, N = 3 SE +/- 13.32, N = 3 SE +/- 5.84, N = 3 SE +/- 17.04, N = 3 SE +/- 9.82, N = 3 8032 8041 8045 8076 8076 8085
John The Ripper Test: Blowfish OpenBenchmarking.org Real C/S, More Is Better John The Ripper 1.7.3.1 Test: Blowfish ext3-barrier-cache ext4-barrier-cache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache ext3-nobarrier-nocache ext4-nobarrier-nocache 200 400 600 800 1000 SE +/- 1.20, N = 3 SE +/- 0.67, N = 3 SE +/- 0.33, N = 3 SE +/- 1.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.33, N = 3 897 897 898 898 899 899
John The Ripper Test: MD5 OpenBenchmarking.org Real C/S, More Is Better John The Ripper 1.7.3.1 Test: MD5 ext3-nobarrier-nocache btrfs-nocow-nobarrier-nocache ext4-barrier-cache ext3-barrier-cache btrfs-cow-barrier-cache ext4-nobarrier-nocache 3K 6K 9K 12K 15K SE +/- 41.80, N = 3 SE +/- 60.84, N = 3 SE +/- 6.89, N = 3 SE +/- 10.48, N = 3 SE +/- 8.69, N = 3 SE +/- 6.08, N = 3 15189 15232 15255 15273 15278 15283
John The Ripper Test: Traditional DES OpenBenchmarking.org Real C/S, More Is Better John The Ripper 1.7.3.1 Test: Traditional DES ext4-barrier-cache ext3-barrier-cache ext3-nobarrier-nocache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache ext4-nobarrier-nocache 700K 1400K 2100K 2800K 3500K SE +/- 1154.70, N = 3 SE +/- 8185.35, N = 3 SE +/- 1763.83, N = 3 SE +/- 2333.33, N = 3 SE +/- 1452.97, N = 3 SE +/- 881.92, N = 3 3243000 3246000 3248667 3249667 3250667 3251333
Gcrypt Library CAMELLIA256-ECB Cipher OpenBenchmarking.org Microseconds, Fewer Is Better Gcrypt Library 1.4.4 CAMELLIA256-ECB Cipher ext4-barrier-cache ext3-nobarrier-nocache ext3-barrier-cache btrfs-cow-barrier-cache ext4-nobarrier-nocache btrfs-nocow-nobarrier-nocache 700 1400 2100 2800 3500 SE +/- 6.67, N = 3 SE +/- 3.33, N = 3 SE +/- 3.33, N = 3 SE +/- 0.00, N = 3 SE +/- 3.33, N = 3 SE +/- 3.33, N = 3 3447 3447 3443 3440 3437 3433
OpenSSL RSA 4096-bit Performance OpenBenchmarking.org Signs Per Second, More Is Better OpenSSL 1.0.0a RSA 4096-bit Performance ext4-barrier-cache ext3-barrier-cache ext4-nobarrier-nocache btrfs-cow-barrier-cache btrfs-nocow-nobarrier-nocache ext3-nobarrier-nocache 12 24 36 48 60 SE +/- 0.03, N = 4 SE +/- 0.06, N = 4 SE +/- 0.03, N = 4 SE +/- 0.07, N = 4 SE +/- 0.00, N = 4 SE +/- 0.05, N = 4 53.35 53.38 53.38 53.40 53.40 53.43
GnuPG 1GB File Encryption OpenBenchmarking.org Seconds, Fewer Is Better GnuPG 1.4.10 1GB File Encryption btrfs-cow-barrier-cache ext3-nobarrier-nocache ext4-barrier-cache ext4-nobarrier-nocache btrfs-nocow-nobarrier-nocache ext3-barrier-cache 4 8 12 16 20 SE +/- 0.08, N = 4 SE +/- 0.09, N = 4 SE +/- 0.04, N = 4 SE +/- 0.06, N = 4 SE +/- 0.02, N = 4 SE +/- 0.01, N = 4 15.97 15.93 15.91 15.90 15.87 15.84
Phoronix Test Suite v10.8.4