== sanity test 124b: lru resize (performance test) ================================================================================= 19:11:18 (1787613078)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 572 (time 1787613094.51 total 10.01 last 57.15)
 - open/close 1243 (time 1787613104.51 total 20.01 last 67.09)
 - open/close 2001 (time 1787613114.52 total 30.01 last 75.77)
 - open/close 2815 (time 1787613124.52 total 40.02 last 81.35)
 - open/close 3599 (time 1787613134.53 total 50.02 last 78.37)
 - open/close 4319 (time 1787613144.54 total 60.04 last 71.91)
 - open/close 5036 (time 1787613154.55 total 70.05 last 71.64)
 - open/close 5728 (time 1787613164.58 total 80.07 last 69.01)
 - open/close 6408 (time 1787613174.60 total 90.10 last 67.85)
 - open/close 7077 (time 1787613184.63 total 100.12 last 66.71)
 - open/close 7721 (time 1787613194.63 total 110.13 last 64.38)
total: 8000 open/close in 113.77 seconds: 70.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1787613368 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 806 (time 1787613491.25 total 10.01 last 80.51)
 - open/close 1496 (time 1787613501.25 total 20.01 last 68.99)
 - open/close 2197 (time 1787613511.25 total 30.01 last 70.10)
 - open/close 2704 (time 1787613521.26 total 40.02 last 50.64)
 - open/close 3419 (time 1787613531.26 total 50.03 last 71.49)
 - open/close 4085 (time 1787613541.27 total 60.04 last 66.53)
 - open/close 4797 (time 1787613551.27 total 70.04 last 71.18)
 - open/close 5614 (time 1787613561.28 total 80.05 last 81.61)
 - open/close 6308 (time 1787613571.29 total 90.05 last 69.37)
 - open/close 7002 (time 1787613581.30 total 100.07 last 69.31)
 - open/close 7472 (time 1787613591.31 total 110.07 last 46.98)
total: 8000 open/close in 119.69 seconds: 66.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 8005
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1787613738 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second