== sanity test 124b: lru resize (performance test) ================================================================================= 21:09:53 (1787879393)
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 989 (time 1787879409.25 total 10.01 last 98.84)
 - open/close 1832 (time 1787879419.26 total 20.02 last 84.22)
 - open/close 2675 (time 1787879429.27 total 30.02 last 84.24)
 - open/close 3599 (time 1787879439.28 total 40.03 last 92.30)
 - open/close 4580 (time 1787879449.28 total 50.04 last 98.09)
 - open/close 5523 (time 1787879459.29 total 60.04 last 94.22)
 - open/close 6384 (time 1787879469.30 total 70.05 last 86.03)
 - open/close 7275 (time 1787879479.30 total 80.06 last 89.06)
total: 8000 open/close in 89.86 seconds: 89.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 400
400
 - unlinked 0 (time 1787879607 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 816 (time 1787879738.93 total 10.02 last 81.43)
 - open/close 1763 (time 1787879748.94 total 20.02 last 94.67)
 - open/close 2754 (time 1787879758.94 total 30.03 last 99.05)
 - open/close 3605 (time 1787879768.94 total 40.03 last 85.08)
 - open/close 4433 (time 1787879778.95 total 50.04 last 82.75)
 - open/close 5353 (time 1787879788.95 total 60.04 last 91.99)
 - open/close 6263 (time 1787879798.96 total 70.04 last 90.96)
 - open/close 7257 (time 1787879808.96 total 80.05 last 99.34)
total: 8000 open/close in 89.18 seconds: 89.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 4006
4001
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1787879923 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second