== sanity test 124b: lru resize (performance test) ================================================================================= 00:56:18 (1746161778)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1484 (time 1746161790.62 total 10.01 last 148.30)
 - open/close 2919 (time 1746161800.62 total 20.01 last 143.47)
 - open/close 4362 (time 1746161810.63 total 30.01 last 144.27)
 - open/close 5753 (time 1746161820.64 total 40.02 last 138.94)
 - open/close 7066 (time 1746161830.64 total 50.03 last 131.25)
total: 8000 open/close in 56.45 seconds: 141.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 132 seconds
lru_size = 400
 - unlinked 0 (time 1746161972 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second
 - open/close 1442 (time 1746162039.71 total 10.00 last 144.15)
 - open/close 2985 (time 1746162049.71 total 20.00 last 154.29)
 - open/close 4811 (time 1746162059.71 total 30.00 last 182.59)
 - open/close 6225 (time 1746162069.72 total 40.01 last 141.35)
 - open/close 7498 (time 1746162079.72 total 50.01 last 127.26)
total: 8000 open/close in 53.92 seconds: 148.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 29 seconds
lru_size = 8005
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1746162120 ; total 0 ; last 0)
total: 8000 unlinks in 41 seconds: 195.121948 unlinks/second