== sanity test 124b: lru resize (performance test) ================================================================================= 15:43:15 (1779997395)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 643 (time 1779997410.80 total 10.01 last 64.26)
 - open/close 1276 (time 1779997420.80 total 20.01 last 63.27)
 - open/close 1952 (time 1779997430.81 total 30.02 last 67.57)
 - open/close 2530 (time 1779997440.82 total 40.03 last 57.73)
 - open/close 3170 (time 1779997450.82 total 50.03 last 64.00)
 - open/close 3857 (time 1779997460.83 total 60.04 last 68.64)
 - open/close 4461 (time 1779997470.84 total 70.05 last 60.33)
 - open/close 5276 (time 1779997480.85 total 80.06 last 81.46)
 - open/close 6141 (time 1779997490.86 total 90.07 last 86.42)
 - open/close 6834 (time 1779997500.86 total 100.07 last 69.26)
 - open/close 7529 (time 1779997510.87 total 110.08 last 69.43)
total: 8000 open/close in 116.84 seconds: 68.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 185 seconds
lru_size = 400
 - unlinked 0 (time 1779997715 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 785 (time 1779997854.90 total 10.01 last 78.42)
 - open/close 1555 (time 1779997864.91 total 20.02 last 76.96)
 - open/close 2383 (time 1779997874.91 total 30.02 last 82.74)
 - open/close 3224 (time 1779997884.92 total 40.02 last 84.09)
 - open/close 3961 (time 1779997894.92 total 50.03 last 73.65)
 - open/close 4653 (time 1779997904.93 total 60.04 last 69.14)
 - open/close 5310 (time 1779997914.93 total 70.04 last 65.69)
 - open/close 5966 (time 1779997924.95 total 80.05 last 65.51)
 - open/close 6661 (time 1779997934.97 total 90.07 last 69.36)
 - open/close 7236 (time 1779997944.97 total 100.08 last 57.48)
 - open/close 7785 (time 1779997954.98 total 110.08 last 54.86)
total: 8000 open/close in 113.57 seconds: 70.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 104 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1779998087 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second