== sanity test 124b: lru resize (performance test) ================================================================================= 19:29:27 (1788823767)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 650 (time 1788823783.24 total 10.00 last 64.99)
 - open/close 1205 (time 1788823793.24 total 20.01 last 55.47)
 - open/close 1933 (time 1788823803.25 total 30.01 last 72.79)
 - open/close 2492 (time 1788823813.25 total 40.02 last 55.85)
 - open/close 3129 (time 1788823823.28 total 50.04 last 63.55)
 - open/close 3903 (time 1788823833.28 total 60.04 last 77.40)
 - open/close 4659 (time 1788823843.28 total 70.05 last 75.56)
 - open/close 5358 (time 1788823853.29 total 80.05 last 69.89)
 - open/close 6005 (time 1788823863.29 total 90.05 last 64.69)
 - open/close 6725 (time 1788823873.30 total 100.06 last 71.94)
 - open/close 7259 (time 1788823883.30 total 110.06 last 53.37)
 - open/close 7925 (time 1788823893.30 total 120.07 last 66.57)
total: 8000 open/close in 120.92 seconds: 66.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
 - unlinked 0 (time 1788824078 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 546 (time 1788824205.45 total 10.01 last 54.55)
 - open/close 1279 (time 1788824215.46 total 20.02 last 73.23)
 - open/close 2068 (time 1788824225.47 total 30.03 last 78.83)
 - open/close 2868 (time 1788824235.47 total 40.03 last 79.99)
 - open/close 3760 (time 1788824245.47 total 50.03 last 89.18)
 - open/close 4380 (time 1788824255.51 total 60.07 last 61.77)
 - open/close 4978 (time 1788824265.51 total 70.07 last 59.78)
 - open/close 5744 (time 1788824275.52 total 80.08 last 76.53)
 - open/close 6512 (time 1788824285.54 total 90.10 last 76.69)
 - open/close 7190 (time 1788824295.55 total 100.11 last 67.70)
 - open/close 7808 (time 1788824305.57 total 110.13 last 61.70)
total: 8000 open/close in 112.89 seconds: 70.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788824417 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second