== sanity test 124b: lru resize (performance test) ================================================================================= 06:32:56 (1784197976)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 664 (time 1784197990.37 total 10.02 last 66.29)
 - open/close 1339 (time 1784198000.38 total 20.03 last 67.40)
 - open/close 2068 (time 1784198010.39 total 30.04 last 72.86)
 - open/close 2786 (time 1784198020.40 total 40.05 last 71.73)
 - open/close 3499 (time 1784198030.40 total 50.05 last 71.29)
 - open/close 4236 (time 1784198040.40 total 60.05 last 73.70)
 - open/close 4967 (time 1784198050.41 total 70.06 last 73.00)
 - open/close 5727 (time 1784198060.42 total 80.07 last 75.94)
 - open/close 6418 (time 1784198070.42 total 90.07 last 69.06)
 - open/close 7123 (time 1784198080.44 total 100.09 last 70.38)
 - open/close 7838 (time 1784198090.46 total 110.11 last 71.38)
total: 8000 open/close in 112.29 seconds: 71.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 142 seconds
lru_size = 400
 - unlinked 0 (time 1784198240 ; total 0 ; last 0)
total: 8000 unlinks in 98 seconds: 81.632652 unlinks/second
 - open/close 654 (time 1784198351.96 total 10.00 last 65.37)
 - open/close 1290 (time 1784198362.00 total 20.04 last 63.36)
 - open/close 1943 (time 1784198372.01 total 30.05 last 65.22)
 - open/close 2597 (time 1784198382.01 total 40.06 last 65.39)
 - open/close 3268 (time 1784198392.02 total 50.06 last 67.07)
 - open/close 3968 (time 1784198402.02 total 60.06 last 69.99)
 - open/close 4645 (time 1784198412.03 total 70.07 last 67.62)
 - open/close 5353 (time 1784198422.04 total 80.08 last 70.76)
 - open/close 6027 (time 1784198432.04 total 90.08 last 67.36)
 - open/close 6655 (time 1784198442.05 total 100.09 last 62.74)
 - open/close 7290 (time 1784198452.05 total 110.09 last 63.49)
 - open/close 7958 (time 1784198462.06 total 120.10 last 66.76)
total: 8000 open/close in 120.66 seconds: 66.30 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1784198551 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second