== sanity test 124b: lru resize (performance test) ================================================================================= 15:53:06 (1787860386)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 831 (time 1787860402.50 total 10.01 last 83.03)
 - open/close 1554 (time 1787860412.52 total 20.03 last 72.17)
 - open/close 2213 (time 1787860422.53 total 30.03 last 65.85)
 - open/close 2935 (time 1787860432.53 total 40.04 last 72.19)
 - open/close 3535 (time 1787860442.58 total 50.08 last 59.72)
 - open/close 4035 (time 1787860452.59 total 60.10 last 49.94)
 - open/close 4592 (time 1787860462.60 total 70.11 last 55.62)
 - open/close 5234 (time 1787860472.61 total 80.11 last 64.17)
 - open/close 6001 (time 1787860482.62 total 90.12 last 76.63)
 - open/close 6734 (time 1787860492.62 total 100.13 last 73.28)
 - open/close 7411 (time 1787860502.62 total 110.13 last 67.70)
total: 8000 open/close in 119.12 seconds: 67.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
400
 - unlinked 0 (time 1787860700 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 662 (time 1787860836.01 total 10.02 last 66.04)
 - open/close 1376 (time 1787860846.02 total 20.03 last 71.36)
 - open/close 2176 (time 1787860856.02 total 30.04 last 79.96)
 - open/close 2938 (time 1787860866.03 total 40.04 last 76.17)
 - open/close 3619 (time 1787860876.04 total 50.05 last 68.02)
 - open/close 4389 (time 1787860886.04 total 60.05 last 76.98)
 - open/close 5071 (time 1787860896.05 total 70.06 last 68.16)
 - open/close 5708 (time 1787860906.05 total 80.06 last 63.67)
 - open/close 6305 (time 1787860916.09 total 90.10 last 59.50)
 - open/close 6911 (time 1787860926.09 total 100.10 last 60.57)
 - open/close 7510 (time 1787860936.11 total 110.12 last 59.82)
total: 8000 open/close in 118.06 seconds: 67.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 4006
4001
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1787861076 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second