Re: ext3 performance issue with a Berkeley db application

[Matthias Andree <ma dt e-technik uni-dortmund de>]

Matthias Andree <ma+ext3 dt e-technik uni-dortmund de> writes:


Here's the ext3 + ide "time" output:

real    7m1.404s
user    0m0.230s
sys     0m10.750s

And these are the last 50 lines of vmstat 1:

 3  1  1 114128   4292  33124 139536  16   0   100   948  705   909   9   8  83
 1  1  1 114128   4292  33124 139536   0   0     0   804  442   320   2   1  97
 2  1  1 114116   4160  33252 139540   0   0   128   676  558   590   1   7  92
 0  1  2 114108   4120  33260 139628  28   0    28   740  964   974  11  12  77
 4  1  2 114096   3896  33268 139844   0   0     0   716  476   596   4  17  79
 3  1  1 114096   3880  33292 139848   0   0     0   744  424   341   1   2  97
 3  1  1 114096   4632  32932 139308   0   0     0   760  438   292   1   2  97
 2  0  1 114092   4784  32932 139308  32   0    32   896  868  1042  13  12  75
 9  1  1 114092   4772  32932 139308   0   0     0   804 1125  1347  17  13  71
 3  1  1 114092   4756  32932 139308   0   0     0   696 1074  1158  19   9  73
 2  0  1 114092   4708  32964 139308  28   0    28   744 1015  1204  16  14  71
   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 4  1  1 114092   4704  32964 139308   0   0     0   668  909   969  11  10  79
 1  1  1 114092   4704  32964 139308   0   0     0   660  661   785   6   6  88
 1  1  1 114092   4692  32964 139308   0   0     0   656  428   302   0   4  96
 2  1  1 114092   4692  32964 139308   0   0     0   804  433   297   1   2  97
 1  1  1 114092   4672  32996 139308   0   0     0   624  432   323   2   1  97
 1  1  1 114092   4416  32996 139308   0   0     0   828  447   300   3   2  95
 4  1  1 114092   4604  32996 139316   0   0     0   804  450   292   1   4  95
 4  1  1 114092   4588  32996 139320   0   0     0   656  433   327   1   4  95
 2  1  1 114092   4644  32996 139324   0   0     0   680  434   289   1   5  94
 1  1  1 114092   4624  33028 139324   0   0     0   908  435   332   1   4  95
 3  1  1 114092   4624  33028 139324   0   0     0   660  426   300   1   2  97
 1  1  1 114092   4624  33028 139324   0   0     0   668  412   303   2   1  97
 1  1  1 114092   4608  33028 139328   0   0     0   660  604   538   7   5  88
 1  1  5 114092   4580  33052 139332   0   0     0   740  464   408   2   5  93
 4  1  1 114092   4316  33068 139588   4   0     4   700  536  1655   7  19  75
 1  1  1 114092   4316  33068 139588   0   0     0   656  467   791   7   4  89
 2  1  1 114092   4316  33068 139588   0   0     0   656  609   749   2   6  92
 3  1  1 114092   4296  33072 139584   0   0     0   780  579   512   3   2  95
 2  1  5 114084   4272  33092 139588   8   0     8  1056  696  1159  15   8  77
 0  1  1 114084   4256  33108 139588   0   0     0   708  637  1020  13   4  83
 2  1  1 114084   4272  33108 139588   0   0     0   652  642  1049  16   8  77
   procs                      memory    swap          io     system         cpu
 r  b  w   swpd   free   buff  cache  si  so    bi    bo   in    cs  us  sy  id
 2  1  1 114084   4244  33108 139588   0   0     0   780  693  1044   8   7  85
 1  1  1 114084   4244  33108 139588   0   0     0   652  432   321   2   1  97
 1  1  1 114084   4224  33140 139588   0   0     0   880  453   334   2   1  97
 1  1  1 114084   4224  33140 139588   0   0     0   656  434   286   2   3  95
 3  1  1 114084   4224  33140 139588   0   0     0   776  551   694   5   7  88
 1  1  1 114084   4224  33140 139588   0   0     0   652  880  1138  16   8  76
 3  1  1 114084   4148  33208 139588   0   0     0   784  717   960   9  11  81
 2  1  1 114084   4108  33240 139588   0   0     0   740  939  1585  15  10  75
 2  1  1 114084   4120  33240 139588   0   0     0   664  641   542   7   6  87
 1  1  1 114084   4100  33244 139596   0   0    12   828  527   325   8   6  86
 0  1  1 114084   4088  33244 139596   0   0     0   652  495   344   4   4  92
 1  1  1 114084   4088  33244 139596   0   0     0   652  440   371   1   2  97
 2  1  1 114084   4068  33276 139596   0   0     0   748  613   361   5   4  91
 3  1  1 114084   4068  33276 139596   0   0     0   704  923   377  45   5  50


-- 
Matthias Andree