== sanity test 124b: lru resize (performance test) ================================================================================= 09:01:20 (1782738080)
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 830 (time 1782738095.62 total 10.00 last 83.00)
 - open/close 1741 (time 1782738105.63 total 20.01 last 91.05)
 - open/close 2694 (time 1782738115.63 total 30.01 last 95.25)
 - open/close 3713 (time 1782738125.64 total 40.02 last 101.85)
 - open/close 4722 (time 1782738135.66 total 50.04 last 100.69)
 - open/close 5656 (time 1782738145.67 total 60.05 last 93.32)
 - open/close 6694 (time 1782738155.67 total 70.05 last 103.76)
 - open/close 7680 (time 1782738165.68 total 80.06 last 98.49)
total: 8000 open/close in 83.30 seconds: 96.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
400
 - unlinked 0 (time 1782738309 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 982 (time 1782738406.76 total 10.01 last 98.11)
 - open/close 1979 (time 1782738416.76 total 20.01 last 99.69)
 - open/close 2954 (time 1782738426.76 total 30.01 last 97.47)
 - open/close 3959 (time 1782738436.77 total 40.02 last 100.48)
 - open/close 4836 (time 1782738446.78 total 50.03 last 87.61)
 - open/close 5686 (time 1782738456.80 total 60.05 last 84.83)
 - open/close 6627 (time 1782738466.80 total 70.05 last 94.08)
 - open/close 7623 (time 1782738476.81 total 80.06 last 99.49)
total: 8000 open/close in 84.36 seconds: 94.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4006
4001
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1782738561 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second