== sanity test 124b: lru resize (performance test) ================================================================================= 16:05:37 (1790885137)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1166 (time 1790885150.07 total 10.00 last 116.54)
 - open/close 2518 (time 1790885160.08 total 20.01 last 135.13)
 - open/close 3773 (time 1790885170.08 total 30.01 last 125.46)
 - open/close 4962 (time 1790885180.08 total 40.01 last 118.88)
 - open/close 6299 (time 1790885190.08 total 50.01 last 133.69)
 - open/close 7657 (time 1790885200.09 total 60.02 last 135.73)
total: 8000 open/close in 62.96 seconds: 127.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
 - unlinked 0 (time 1790885303 ; total 0 ; last 0)
total: 8000 unlinks in 24 seconds: 333.333344 unlinks/second
 - open/close 2871 (time 1790885339.71 total 10.00 last 287.06)
 - open/close 5668 (time 1790885349.71 total 20.00 last 279.66)
total: 8000 open/close in 25.96 seconds: 308.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1790885412 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second