------------------------------------------------------------------------------- Basic file operations : w/o patch on local ext3: target \ operations | create | delete | list | copy | move -----------------------+---------------------------------------------------------------------------------- 1000 dirs x 1000 files | 22m6.930s | 0m32.682s | 0m0.037s | 1m31.506s | 0m2.154s 1000000 files | 22m37.759s | 18m34.901s | 0m0.002s | 19m24.388s | 0m0.156s (elapsed time : second(s)) with patch on local ext3: target \ operations | create | delete | list | copy | move -----------------------+--------------------------------------------------------------------------------- 1000 dirs x 1000 files | 21m54.470s | 0m32.040s | 0m0.008s | 1m30.796s | 0m2.943s 1000000 files | 22m8.381s | 21m55.047s | 0m0.020s | 21m25.779s | 0m0.052s (elapsed time : second(s)) w/o patch on nfs: target \ operations | create | delete | list | copy | move ------------------------+---------------------------------------------------------------------------------- 1000000 files | 140m7.649s | 293m46.285s | 0m0.098s | 432m7.720s | 0m0.674s (elapsed time : second(s)) with patch on nfs: target \ operations | create | delete | list | copy | move ------------------------+-------------------------------------------------------------------------------- 1000000 files | 141m53.534s | 290m17.669s | 0m0.040s | 440m51.964s | 0m0.361s (elapsed time : second(s)) IOzone: # ./iozone -Ra > logfile on ext3: bytes / sec (Average) w/o patch with patch Writer Report 499,136 502,536 100.68% Re-writer Report 1,774,772 1,790,133 100.87% Reader Report 3,761,592 3,818,147 101.50% Re-reader Report 5,723,402 6,020,088 105.18% Random Read Report 5,343,096 5,588,652 104.60% Random Write Report 2,054,678 2,102,237 102.31% Backward Read Report 3,628,740 3,696,570 101.87% Record Rewrite Report 3,697,344 3,760,118 101.70% Stride Read Report 4,899,821 5,053,645 103.14% Fwrite Report 493,434 493,464 100.01% Re-fwrite Report 1,505,555 1,516,702 100.74% Fread Report 3,330,627 3,363,825 101.00% Re-fread Report 5,404,997 5,572,977 103.11% on nfs: bytes / sec (Average) w/o patch with patch Writer Report 2,397,539 2,495,369 104.08% Re-writer Report 2,534,827 2,539,019 100.17% Reader Report 3,692,377 3,711,528 100.52% Re-reader Report 5,783,150 5,745,256 99.34% Random Read Report 5,569,286 5,663,204 101.69% Random Write Report 2,982,048 2,988,895 100.23% Backward Read Report 3,694,922 3,710,797 100.43% Record Rewrite Report 5,844,580 5,873,414 100.49% Stride Read Report 5,043,812 5,060,472 100.33% Fwrite Report 1,769,812 1,788,991 101.08% Re-fwrite Report 1,964,384 1,978,361 100.71% Fread Report 3,362,162 3,293,340 97.95% Re-fread Report 5,441,776 5,441,807 100.00% kernbench-0.42: # kernbench -M w/o patch on local ext3: 2.6.25-rc5 Average Half load -j 12 Run (std deviation): Elapsed Time 105.354 (0.608383) User Time 1072.59 (1.42999) System Time 68.406 (0.540074) Percent CPU 1082.4 (5.17687) Context Switches 75067.2 (2425.63) Sleeps 155188 (2167.44) Average Optimal load -j 96 Run (std deviation): Elapsed Time 69.028 (0.523374) User Time 1106.83 (36.1126) System Time 67.735 (0.82922) Percent CPU 1416 (351.761) Context Switches 105700 (32397.8) Sleeps 161568 (7136.89) with patch on local ext3: 2.6.25-rc5dentry Average Half load -j 12 Run (std deviation): Elapsed Time 104.962 (0.0630079) User Time 1071.74 (0.374993) System Time 68.578 (0.301032) Percent CPU 1086 (0.707107) Context Switches 77173.8 (513.063) Sleeps 156710 (669.205) Average Optimal load -j 96 Run (std deviation): Elapsed Time 68.826 (0.942804) User Time 1107.5 (37.7007) System Time 67.901 (0.770086) Percent CPU 1422.2 (354.748) Context Switches 107092 (31559.1) Sleeps 161884 (6220.1) w/o patch on nfs: 2.6.25-rc5 Average Half load -j 12 Run (std deviation): Elapsed Time 237.71 (6.4713) User Time 1087.07 (1.42099) System Time 190.306 (0.941637) Percent CPU 537.2 (15.0233) Context Switches 358822 (8395.04) Sleeps 4.46148e+06 (53959.4) Average Optimal load -j 96 Run (std deviation): Elapsed Time 286.312 (4.8972) User Time 1127.59 (42.7355) System Time 304.32 (120.184) Percent CPU 545.5 (14.6382) Context Switches 603299 (257858) Sleeps 9.21507e+06 (5.01086e+06) with patch on nfs: 2.6.25-rc5dentry Average Half load -j 12 Run (std deviation): Elapsed Time 257.704 (8.20142) User Time 1087.19 (0.992084) System Time 191.294 (1.11267) Percent CPU 496 (15.5885) Context Switches 356975 (14893.6) Sleeps 4.42764e+06 (68507.4) Average Optimal load -j 96 Run (std deviation): Elapsed Time 293.448 (2.64979) User Time 1127.5 (42.5004) System Time 308.478 (123.531) Percent CPU 519.3 (26.9281) Context Switches 601352 (258290) Sleeps 9.2956e+06 (5.13148e+06) dbench-3.04: (on local and nfs directories) # dbench 100 w/o patch on local ext3: Throughput 186.4 MB/sec 100 procs with patch on local ext3: Throughput 215.831 MB/sec 100 procs w/o patch on nfs: Throughput 3.13253 MB/sec 100 procs with patch on nfs: Throughput 3.37892 MB/sec 100 procs -----------------------------------------------------------------------------------