== sanity test 124b: lru resize (performance test) ================================================================================= 12:10:23 (1758816623)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 946 (time 1758816636.66 total 10.00 last 94.57)
 - open/close 1860 (time 1758816646.67 total 20.02 last 91.28)
 - open/close 2797 (time 1758816656.68 total 30.02 last 93.69)
 - open/close 3717 (time 1758816666.68 total 40.02 last 91.98)
 - open/close 4459 (time 1758816676.73 total 50.08 last 73.78)
 - open/close 4863 (time 1758816686.74 total 60.08 last 40.37)
 - open/close 5734 (time 1758816696.74 total 70.09 last 87.09)
 - open/close 6027 (time 1758816706.79 total 80.14 last 29.16)
 - open/close 6936 (time 1758816716.79 total 90.14 last 90.88)
 - open/close 7842 (time 1758816726.80 total 100.14 last 90.57)
total: 8000 open/close in 101.75 seconds: 78.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 108 seconds
lru_size = 400
 - unlinked 0 (time 1758816842 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second
 - open/close 1380 (time 1758816901.95 total 10.01 last 137.91)
 - open/close 2745 (time 1758816911.95 total 20.01 last 136.48)
 - open/close 4134 (time 1758816921.95 total 30.01 last 138.83)
 - open/close 5417 (time 1758816931.96 total 40.02 last 128.25)
 - open/close 6696 (time 1758816941.96 total 50.02 last 127.82)
total: 8000 open/close in 58.98 seconds: 135.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1758817012 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second