Running bonnie++ locally. Have formatted / as ext3 and /home/ as ext4. using raid5. Also to note that when booted with windows server 2003 using Everest disk benchmark it does an average of 34MB/s (peaking to 50MB/s).
Attached are bonnie++ output for the two kernel versions and ext3 and ext4 (ext4 won't mount with 2.6.26 kernel). And meminfo for both kernels taken when the system is loaded and unloaded. Dave On 13 October 2010 00:15, Ben Hutchings <b...@decadent.org.uk> wrote: > On Tue, 2010-10-12 at 23:07 +0100, Dave Clarke wrote: >> Package: linux-image >> Version: 2.6.32-5-686 >> >> After dist-upgrade from Lenny to Squeeze write speed is halved. Shown >> with bonnie++. Before upgrade write speed was 21MB/s, after upgrade >> 10MB/s. > > Let's see the output from bonnie++. Also are you running this locally > or over NFS or other network filesystem? > >> Hardware: Dell Powervault 745n with hardware raid Adaptec 2610SA. >> Celeron(R) CPU 2.40GHz, 512MiB RAM. >> >> Confirmed link to kernel with: >> >> otherserver$ scp 4gbfile raid_server: >> 100% 4000MB 6.6MB/s 10:06 >> >> reboot server with kernel 2.6.26-2-686 leftover from Lenny. >> otherserver$ scp 4gbfile raid_server: >> 100% 4000MB 11.3MB/s 05:55 >> >> Also of note that when copying a large file the system becomes heavily >> loaded. >> iowait: 80.1%wa >> load average: 3.58, 1.48, 0.66 >> Mem: 514428k total, 508276k used, 6152k free, 10084k buffers > > That seems like too little memory for a file server. Can you send the > contents of /proc/meminfo? > > Also what filesystem is used on the RAID? > > Ben. > > -- > Ben Hutchings > Once a job is fouled up, anything done to improve it makes it worse. >
# Linux heterogeneous 2.6.26-2-686 #1 SMP Thu Sep 16 19:35:51 UTC 2010 i686 GNU/Linux # 10 reps, for consistancy. Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 421 96 17752 10 7734 4 1515 95 61396 17 516.5 29 Latency 53894us 1387ms 4065ms 58119us 28090us 1526ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 7452 27 +++++ +++ 11835 24 9917 34 +++++ +++ 12541 27 Latency 29878us 1355us 1420us 1142us 25us 107us 1.96,1.96,heterogeneous,1,1286995872,1G,,421,96,17752,10,7734,4,1515,95,61396,17,516.5,29,16,,,,,7452,27,+++++,+++,11835,24,9917,34,+++++,+++,12541,27,53894us,1387ms,4065ms,58119us,28090us,1526ms,29878us,1355us,1420us,1142us,25us,107us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 340 95 19407 12 7697 4 989 98 60791 17 512.0 36 Latency 56156us 1279ms 5718ms 48099us 59930us 99728us Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 8668 30 +++++ +++ 6363 12 9615 31 +++++ +++ 12282 25 Latency 62301us 1336us 1362us 1096us 154us 104us 1.96,1.96,heterogeneous,1,1286993983,1G,,340,95,19407,12,7697,4,989,98,60791,17,512.0,36,16,,,,,8668,30,+++++,+++,6363,12,9615,31,+++++,+++,12282,25,56156us,1279ms,5718ms,48099us,59930us,99728us,62301us,1336us,1362us,1096us,154us,104us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 317 97 17955 11 7684 4 1424 97 58693 18 523.3 35 Latency 29157us 2438ms 4469ms 34983us 110ms 46833us Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 7668 28 +++++ +++ 12340 25 10329 36 +++++ +++ 10508 24 Latency 13663us 1364us 1382us 1110us 68us 82us 1.96,1.96,heterogeneous,1,1286994431,1G,,317,97,17955,11,7684,4,1424,97,58693,18,523.3,35,16,,,,,7668,28,+++++,+++,12340,25,10329,36,+++++,+++,10508,24,29157us,2438ms,4469ms,34983us,110ms,46833us,13663us,1364us,1382us,1110us,68us,82us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 351 97 19781 12 7751 4 1525 97 61980 18 514.0 34 Latency 26969us 1422ms 5937ms 51548us 42096us 757ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 8408 28 +++++ +++ 12187 24 10183 33 +++++ +++ 12706 26 Latency 74856us 1332us 1388us 1668us 15us 173us 1.96,1.96,heterogeneous,1,1286994675,1G,,351,97,19781,12,7751,4,1525,97,61980,18,514.0,34,16,,,,,8408,28,+++++,+++,12187,24,10183,33,+++++,+++,12706,26,26969us,1422ms,5937ms,51548us,42096us,757ms,74856us,1332us,1388us,1668us,15us,173us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 345 95 20209 12 7681 4 1553 98 61279 17 520.3 31 Latency 59847us 920ms 5968ms 25166us 44631us 81126us Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 8057 28 +++++ +++ 11396 23 9803 31 +++++ +++ 10796 22 Latency 12258us 1291us 1377us 1059us 142us 103us 1.96,1.96,heterogeneous,1,1286994929,1G,,345,95,20209,12,7681,4,1553,98,61279,17,520.3,31,16,,,,,8057,28,+++++,+++,11396,23,9803,31,+++++,+++,10796,22,59847us,920ms,5968ms,25166us,44631us,81126us,12258us,1291us,1377us,1059us,142us,103us
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 411 95 9471 5 5843 3 1268 96 83927 18 232.4 10 Latency 82700us 3337ms 3593ms 59243us 29175us 764ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 2646 11 +++++ +++ 9747 25 8050 34 +++++ +++ 9932 27 Latency 57065us 1214us 1344us 4109us 225us 1457us 1.96,1.96,heterogeneous,1,1286990873,1G,,411,95,9471,5,5843,3,1268,96,83927,18,232.4,10,16,,,,,2646,11,+++++,+++,9747,25,8050,34,+++++,+++,9932,27,82700us,3337ms,3593ms,59243us,29175us,764ms,57065us,1214us,1344us,4109us,225us,1457us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 324 93 13464 7 6883 3 1841 97 95552 19 232.1 9 Latency 202ms 2870ms 4815ms 39835us 15851us 781ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 3795 16 +++++ +++ 9754 24 8072 34 +++++ +++ 9721 26 Latency 38191us 1102us 1170us 490us 72us 4077us 1.96,1.96,heterogeneous,1,1286988623,1G,,324,93,13464,7,6883,3,1841,97,95552,19,232.1,9,16,,,,,3795,16,+++++,+++,9754,24,8072,34,+++++,+++,9721,26,202ms,2870ms,4815ms,39835us,15851us,781ms,38191us,1102us,1170us,490us,72us,4077us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 394 91 13580 7 7217 3 1820 95 93597 18 212.2 9 Latency 284ms 3684ms 2505ms 46133us 42601us 767ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 5198 22 +++++ +++ 9551 24 7880 33 +++++ +++ 9563 27 Latency 48704us 1102us 1191us 497us 222us 113us 1.96,1.96,heterogeneous,1,1286995401,1G,,394,91,13580,7,7217,3,1820,95,93597,18,212.2,9,16,,,,,5198,22,+++++,+++,9551,24,7880,33,+++++,+++,9563,27,284ms,3684ms,2505ms,46133us,42601us,767ms,48704us,1102us,1191us,497us,222us,113us
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 349 95 13128 4 6942 3 1849 97 101103 19 163.7 7 Latency 43757us 1339ms 1238ms 19461us 31574us 1201ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 6179 32 +++++ +++ 10766 30 8030 39 +++++ +++ 10521 30 Latency 4120us 1153us 1227us 2386us 1480us 187us 1.96,1.96,heterogeneous,1,1286988387,1G,,349,95,13128,4,6942,3,1849,97,101103,19,163.7,7,16,,,,,6179,32,+++++,+++,10766,30,8030,39,+++++,+++,10521,30,43757us,1339ms,1238ms,19461us,31574us,1201ms,4120us,1153us,1227us,2386us,1480us,187us Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP heterogeneous 1G 398 96 13922 5 7655 3 1782 93 100252 18 226.6 9 Latency 50148us 923ms 1733ms 88175us 27818us 798ms Version 1.96 ------Sequential Create------ --------Random Create-------- heterogeneous -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 3173 16 +++++ +++ 10747 31 8102 40 +++++ +++ 11008 32 Latency 35254us 1147us 1381us 426us 32us 265us 1.96,1.96,heterogeneous,1,1286987900,1G,,398,96,13922,5,7655,3,1782,93,100252,18,226.6,9,16,,,,,3173,16,+++++,+++,10747,31,8102,40,+++++,+++,11008,32,50148us,923ms,1733ms,88175us,27818us,798ms,35254us,1147us,1381us,426us,32us,265us
== Loaded (bonnie++ benchmark) == MemTotal: 516044 kB MemFree: 5664 kB Buffers: 7856 kB Cached: 461372 kB SwapCached: 0 kB Active: 25800 kB Inactive: 458072 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 516044 kB LowFree: 5664 kB SwapTotal: 1508344 kB SwapFree: 1507692 kB Dirty: 192900 kB Writeback: 132 kB AnonPages: 14624 kB Mapped: 8264 kB Slab: 19944 kB SReclaimable: 14356 kB SUnreclaim: 5588 kB PageTables: 636 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1766364 kB Committed_AS: 179080 kB VmallocTotal: 507896 kB VmallocUsed: 3612 kB VmallocChunk: 503784 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB == Unloaded == MemTotal: 516044 kB MemFree: 475488 kB Buffers: 316 kB Cached: 8716 kB SwapCached: 6940 kB Active: 5644 kB Inactive: 20508 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 516044 kB LowFree: 475488 kB SwapTotal: 1508344 kB SwapFree: 1497064 kB Dirty: 344 kB Writeback: 0 kB AnonPages: 10400 kB Mapped: 6212 kB Slab: 7840 kB SReclaimable: 2416 kB SUnreclaim: 5424 kB PageTables: 620 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1766364 kB Committed_AS: 178676 kB VmallocTotal: 507896 kB VmallocUsed: 3612 kB VmallocChunk: 503784 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB
== Loaded (bonnie++ benchmark) == MemTotal: 514428 kB MemFree: 6488 kB Buffers: 1108 kB Cached: 466656 kB SwapCached: 4672 kB Active: 255448 kB Inactive: 224660 kB Active(anon): 1568 kB Inactive(anon): 10852 kB Active(file): 253880 kB Inactive(file): 213808 kB Unevictable: 0 kB Mlocked: 0 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 514428 kB LowFree: 6488 kB SwapTotal: 1508344 kB SwapFree: 1496036 kB Dirty: 169888 kB Writeback: 0 kB AnonPages: 8576 kB Mapped: 2168 kB Shmem: 32 kB Slab: 21236 kB SReclaimable: 14844 kB SUnreclaim: 6392 kB KernelStack: 832 kB PageTables: 784 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1765556 kB Committed_AS: 190084 kB VmallocTotal: 504056 kB VmallocUsed: 7504 kB VmallocChunk: 484316 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB DirectMap4k: 16128 kB DirectMap4M: 507904 kB == Unloaded == MemTotal: 514428 kB MemFree: 452716 kB Buffers: 9964 kB Cached: 22224 kB SwapCached: 4640 kB Active: 16248 kB Inactive: 29004 kB Active(anon): 2340 kB Inactive(anon): 10756 kB Active(file): 13908 kB Inactive(file): 18248 kB Unevictable: 0 kB Mlocked: 0 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 514428 kB LowFree: 452716 kB SwapTotal: 1508344 kB SwapFree: 1496068 kB Dirty: 1560 kB Writeback: 0 kB AnonPages: 9296 kB Mapped: 3192 kB Shmem: 32 kB Slab: 9472 kB SReclaimable: 3376 kB SUnreclaim: 6096 kB KernelStack: 824 kB PageTables: 768 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1765556 kB Committed_AS: 190512 kB VmallocTotal: 504056 kB VmallocUsed: 7504 kB VmallocChunk: 484316 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 4096 kB DirectMap4k: 16128 kB DirectMap4M: 507904 kB