== sanity test 124b: lru resize (performance test) ================================================================================= 00:19:32 (1781237972)
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 709 (time 1781237987.34 total 10.00 last 70.89)
 - open/close 1537 (time 1781237997.36 total 20.02 last 82.66)
 - open/close 2298 (time 1781238007.37 total 30.03 last 76.00)
 - open/close 3094 (time 1781238017.38 total 40.03 last 79.58)
 - open/close 3820 (time 1781238027.39 total 50.04 last 72.53)
 - open/close 4569 (time 1781238037.40 total 60.05 last 74.83)
 - open/close 5313 (time 1781238047.40 total 70.06 last 74.34)
 - open/close 6057 (time 1781238057.41 total 80.07 last 74.36)
 - open/close 6833 (time 1781238067.42 total 90.07 last 77.55)
 - open/close 7531 (time 1781238077.42 total 100.08 last 69.78)
total: 8000 open/close in 106.58 seconds: 75.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
400
 - unlinked 0 (time 1781238267 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 747 (time 1781238394.82 total 10.00 last 74.70)
 - open/close 1551 (time 1781238404.82 total 20.00 last 80.37)
 - open/close 2341 (time 1781238414.83 total 30.01 last 78.92)
 - open/close 3115 (time 1781238424.83 total 40.02 last 77.38)
 - open/close 3909 (time 1781238434.84 total 50.03 last 79.32)
 - open/close 4625 (time 1781238444.85 total 60.03 last 71.57)
 - open/close 5331 (time 1781238454.86 total 70.04 last 70.52)
 - open/close 6123 (time 1781238464.87 total 80.05 last 79.13)
 - open/close 6832 (time 1781238474.87 total 90.05 last 70.88)
 - open/close 7604 (time 1781238484.88 total 100.06 last 77.12)
total: 8000 open/close in 105.40 seconds: 75.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1781238609 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second