== sanity test 124b: lru resize (performance test) ================================================================================= 20:58:57 (1786755537)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 694 (time 1786755551.42 total 10.00 last 69.38)
 - open/close 1361 (time 1786755561.42 total 20.00 last 66.69)
 - open/close 2118 (time 1786755571.43 total 30.01 last 75.63)
 - open/close 2844 (time 1786755581.43 total 40.01 last 72.59)
 - open/close 3528 (time 1786755591.43 total 50.02 last 68.38)
 - open/close 4199 (time 1786755601.45 total 60.04 last 66.97)
 - open/close 4875 (time 1786755611.46 total 70.05 last 67.52)
 - open/close 5609 (time 1786755621.47 total 80.06 last 73.31)
 - open/close 6280 (time 1786755631.48 total 90.06 last 67.08)
 - open/close 7017 (time 1786755641.49 total 100.08 last 73.60)
 - open/close 7711 (time 1786755651.50 total 110.09 last 69.30)
total: 8000 open/close in 114.63 seconds: 69.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1786755835 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 650 (time 1786755977.57 total 10.02 last 64.85)
 - open/close 1377 (time 1786755987.57 total 20.02 last 72.70)
 - open/close 2043 (time 1786755997.58 total 30.04 last 66.51)
 - open/close 2724 (time 1786756007.58 total 40.04 last 68.09)
 - open/close 3424 (time 1786756017.62 total 50.08 last 69.73)
 - open/close 4116 (time 1786756027.62 total 60.08 last 69.18)
 - open/close 4825 (time 1786756037.64 total 70.10 last 70.79)
 - open/close 5505 (time 1786756047.64 total 80.10 last 67.99)
 - open/close 6220 (time 1786756057.65 total 90.11 last 71.43)
 - open/close 6901 (time 1786756067.66 total 100.11 last 68.05)
 - open/close 7597 (time 1786756077.66 total 110.12 last 69.57)
total: 8000 open/close in 115.26 seconds: 69.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1786756204 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second