== sanity test 124b: lru resize (performance test) ================================================================================= 14:38:23 (1781289503)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9496a13ab000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9496a13ab000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 607 (time 1781289519.25 total 10.00 last 60.69)
 - open/close 1240 (time 1781289529.26 total 20.01 last 63.26)
 - open/close 1928 (time 1781289539.27 total 30.02 last 68.72)
 - open/close 2608 (time 1781289549.28 total 40.04 last 67.89)
 - open/close 3304 (time 1781289559.29 total 50.05 last 69.53)
 - open/close 4016 (time 1781289569.30 total 60.06 last 71.14)
 - open/close 4644 (time 1781289579.30 total 70.06 last 62.79)
 - open/close 5274 (time 1781289589.31 total 80.06 last 62.98)
 - open/close 5933 (time 1781289599.31 total 90.06 last 65.89)
 - open/close 6558 (time 1781289609.31 total 100.06 last 62.48)
 - open/close 7192 (time 1781289619.34 total 110.09 last 63.21)
 - open/close 7690 (time 1781289629.37 total 120.13 last 49.63)
total: 8000 open/close in 125.16 seconds: 63.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
400
 - unlinked 0 (time 1781289732 ; total 0 ; last 0)
total: 8000 unlinks in 130 seconds: 61.538460 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9496a13ab000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9496a13ab000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 670 (time 1781289877.25 total 10.02 last 66.86)
 - open/close 1361 (time 1781289887.26 total 20.03 last 69.03)
 - open/close 2090 (time 1781289897.27 total 30.03 last 72.89)
 - open/close 2711 (time 1781289907.27 total 40.04 last 62.06)
 - open/close 3401 (time 1781289917.29 total 50.05 last 68.90)
 - open/close 4044 (time 1781289927.30 total 60.06 last 64.24)
 - open/close 4686 (time 1781289937.30 total 70.07 last 64.19)
 - open/close 5385 (time 1781289947.30 total 80.07 last 69.88)
 - open/close 6046 (time 1781289957.31 total 90.08 last 66.03)
 - open/close 6706 (time 1781289967.32 total 100.09 last 65.96)
 - open/close 7350 (time 1781289977.32 total 110.09 last 64.39)
 - open/close 7980 (time 1781289987.33 total 120.09 last 62.95)
total: 8000 open/close in 120.36 seconds: 66.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 60 seconds
lru_size = 4006
4001
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1781290063 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second