== sanity test 124b: lru resize (performance test) ================================================================================= 08:19:51 (1787573991)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 798 (time 1787574006.57 total 10.01 last 79.74)
 - open/close 1432 (time 1787574016.59 total 20.02 last 63.31)
 - open/close 2200 (time 1787574026.59 total 30.02 last 76.80)
 - open/close 3086 (time 1787574036.60 total 40.03 last 88.51)
 - open/close 3863 (time 1787574046.61 total 50.04 last 77.63)
 - open/close 4644 (time 1787574056.62 total 60.05 last 78.01)
 - open/close 5327 (time 1787574066.62 total 70.06 last 68.27)
 - open/close 5956 (time 1787574076.66 total 80.09 last 62.71)
 - open/close 6714 (time 1787574086.66 total 90.10 last 75.73)
 - open/close 7559 (time 1787574096.68 total 100.11 last 84.38)
total: 8000 open/close in 106.29 seconds: 75.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1787574273 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 885 (time 1787574414.43 total 10.01 last 88.38)
 - open/close 1705 (time 1787574424.45 total 20.03 last 81.88)
 - open/close 2480 (time 1787574434.47 total 30.05 last 77.33)
 - open/close 3126 (time 1787574444.48 total 40.06 last 64.54)
 - open/close 3911 (time 1787574454.48 total 50.06 last 78.49)
 - open/close 4741 (time 1787574464.48 total 60.07 last 82.97)
 - open/close 5574 (time 1787574474.49 total 70.07 last 83.27)
 - open/close 6362 (time 1787574484.49 total 80.07 last 78.80)
 - open/close 7224 (time 1787574494.49 total 90.07 last 86.19)
 - open/close 7840 (time 1787574504.51 total 100.09 last 61.49)
total: 8000 open/close in 102.13 seconds: 78.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1787574620 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second