== sanity test 124b: lru resize (performance test) ================================================================================= 00:10:14 (1781237414)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 599 (time 1781237431.17 total 10.00 last 59.88)
 - open/close 1232 (time 1781237441.17 total 20.01 last 63.27)
 - open/close 1847 (time 1781237451.17 total 30.01 last 61.48)
 - open/close 2485 (time 1781237461.19 total 40.02 last 63.73)
 - open/close 3070 (time 1781237471.19 total 50.03 last 58.49)
 - open/close 3669 (time 1781237481.19 total 60.03 last 59.89)
 - open/close 4269 (time 1781237491.20 total 70.04 last 59.95)
 - open/close 4838 (time 1781237501.21 total 80.04 last 56.85)
 - open/close 5486 (time 1781237511.22 total 90.05 last 64.73)
 - open/close 6142 (time 1781237521.23 total 100.06 last 65.54)
 - open/close 6782 (time 1781237531.25 total 110.08 last 63.88)
 - open/close 7394 (time 1781237541.26 total 120.10 last 61.10)
 - open/close 7967 (time 1781237551.27 total 130.11 last 57.26)
total: 8000 open/close in 130.67 seconds: 61.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 400
400
 - unlinked 0 (time 1781237669 ; total 0 ; last 0)
total: 8000 unlinks in 136 seconds: 58.823528 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 599 (time 1781237820.97 total 10.01 last 59.82)
 - open/close 1188 (time 1781237830.98 total 20.02 last 58.85)
 - open/close 1829 (time 1781237840.98 total 30.02 last 64.09)
 - open/close 2324 (time 1781237850.99 total 40.03 last 49.47)
 - open/close 2897 (time 1781237861.00 total 50.04 last 57.21)
 - open/close 3478 (time 1781237871.01 total 60.05 last 58.07)
 - open/close 4067 (time 1781237881.02 total 70.07 last 58.81)
 - open/close 4689 (time 1781237891.03 total 80.07 last 62.18)
 - open/close 5385 (time 1781237901.03 total 90.07 last 69.57)
 - open/close 6088 (time 1781237911.03 total 100.08 last 70.28)
 - open/close 6837 (time 1781237921.04 total 110.09 last 74.84)
 - open/close 7474 (time 1781237931.06 total 120.10 last 63.61)
total: 8000 open/close in 127.96 seconds: 62.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 4006
4001
ls -la is 5% faster with lru resize enabled
 - unlinked 0 (time 1781238065 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second