== sanity test 124b: lru resize (performance test) ================================================================================= 19:20:54 (1746141654)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1699 (time 1746141666.19 total 10.00 last 169.84)
 - open/close 3715 (time 1746141676.19 total 20.01 last 201.51)
 - open/close 5363 (time 1746141686.20 total 30.01 last 164.75)
 - open/close 7135 (time 1746141696.20 total 40.02 last 177.13)
total: 8000 open/close in 44.75 seconds: 178.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 400
 - unlinked 0 (time 1746141827 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second
 - open/close 1323 (time 1746141891.72 total 10.00 last 132.29)
 - open/close 2858 (time 1746141901.72 total 20.00 last 153.49)
 - open/close 4479 (time 1746141911.73 total 30.00 last 162.05)
 - open/close 5931 (time 1746141921.73 total 40.01 last 145.14)
 - open/close 7295 (time 1746141931.74 total 50.02 last 136.32)
total: 8000 open/close in 54.69 seconds: 146.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 32 seconds
lru_size = 8005
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1746141976 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second