== sanity test 124b: lru resize (performance test) ================================================================================= 23:08:11 (1785467291)
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 508 (time 1785467307.70 total 10.01 last 50.77)
 - open/close 914 (time 1785467317.73 total 20.03 last 40.49)
 - open/close 1554 (time 1785467327.73 total 30.04 last 63.97)
 - open/close 2092 (time 1785467337.74 total 40.04 last 53.76)
 - open/close 2581 (time 1785467347.76 total 50.06 last 48.83)
 - open/close 3312 (time 1785467357.76 total 60.06 last 73.09)
 - open/close 3969 (time 1785467367.77 total 70.07 last 65.65)
 - open/close 4531 (time 1785467377.78 total 80.08 last 56.14)
 - open/close 5252 (time 1785467387.78 total 90.08 last 72.08)
 - open/close 6148 (time 1785467397.79 total 100.09 last 89.51)
 - open/close 6832 (time 1785467407.80 total 110.10 last 68.34)
 - open/close 7400 (time 1785467417.81 total 120.11 last 56.75)
 - open/close 7979 (time 1785467427.81 total 130.11 last 57.89)
total: 8000 open/close in 130.49 seconds: 61.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 144 seconds
lru_size = 400
400
 - unlinked 0 (time 1785467589 ; total 1 ; last 1)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 706 (time 1785467731.16 total 10.01 last 70.55)
 - open/close 1424 (time 1785467741.19 total 20.04 last 71.56)
 - open/close 2038 (time 1785467751.20 total 30.05 last 61.36)
 - open/close 2655 (time 1785467761.20 total 40.05 last 61.67)
 - open/close 3142 (time 1785467771.20 total 50.05 last 48.69)
 - open/close 3811 (time 1785467781.21 total 60.06 last 66.82)
 - open/close 4467 (time 1785467791.22 total 70.06 last 65.59)
 - open/close 4954 (time 1785467801.23 total 80.08 last 48.64)
 - open/close 5463 (time 1785467811.26 total 90.11 last 50.76)
 - open/close 5865 (time 1785467821.26 total 100.11 last 40.20)
 - open/close 6447 (time 1785467831.27 total 110.12 last 58.14)
 - open/close 7002 (time 1785467841.28 total 120.13 last 55.42)
 - open/close 7541 (time 1785467851.28 total 130.13 last 53.90)
total: 8000 open/close in 136.73 seconds: 58.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 115 seconds
lru_size = 4052
3955
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1785468002 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second