== sanity test 124b: lru resize (performance test) ================================================================================= 12:35:29 (1790699729)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 805 (time 1790699744.15 total 10.00 last 80.48)
 - open/close 1595 (time 1790699754.15 total 20.00 last 79.00)
 - open/close 2398 (time 1790699764.16 total 30.01 last 80.25)
 - open/close 3184 (time 1790699774.17 total 40.02 last 78.52)
 - open/close 3958 (time 1790699784.17 total 50.03 last 77.36)
 - open/close 4755 (time 1790699794.17 total 60.03 last 79.67)
 - open/close 5534 (time 1790699804.18 total 70.03 last 77.88)
 - open/close 6279 (time 1790699814.18 total 80.04 last 74.44)
 - open/close 7105 (time 1790699824.19 total 90.04 last 82.57)
 - open/close 7974 (time 1790699834.21 total 100.06 last 86.74)
total: 8000 open/close in 100.42 seconds: 79.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1790699989 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 759 (time 1790700112.09 total 10.01 last 75.84)
 - open/close 1541 (time 1790700122.09 total 20.01 last 78.19)
 - open/close 2378 (time 1790700132.09 total 30.01 last 83.66)
 - open/close 3209 (time 1790700142.11 total 40.03 last 83.01)
 - open/close 4040 (time 1790700152.11 total 50.03 last 83.10)
 - open/close 4849 (time 1790700162.11 total 60.03 last 80.85)
 - open/close 5637 (time 1790700172.12 total 70.04 last 78.77)
 - open/close 6416 (time 1790700182.16 total 80.08 last 77.60)
 - open/close 7188 (time 1790700192.17 total 90.09 last 77.10)
total: 8000 open/close in 100.05 seconds: 79.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1790700299 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second