== sanity test 124b: lru resize (performance test) ================================================================================= 00:16:08 (1763356568)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 3116 (time 1763356580.90 total 10.00 last 311.59)
 - open/close 5861 (time 1763356590.90 total 20.00 last 274.41)
total: 8000 open/close in 26.54 seconds: 301.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
 - unlinked 0 (time 1763356690 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
 - open/close 4235 (time 1763356715.56 total 10.00 last 423.50)
total: 8000 open/close in 18.34 seconds: 436.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 8005
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1763356789 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second