== sanity test 124b: lru resize (performance test) ================================================================================= 00:15:51 (1780460151)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 794 (time 1780460165.19 total 10.01 last 79.34)
 - open/close 1493 (time 1780460175.20 total 20.02 last 69.80)
 - open/close 2199 (time 1780460185.20 total 30.02 last 70.59)
 - open/close 3007 (time 1780460195.21 total 40.03 last 80.76)
 - open/close 3716 (time 1780460205.22 total 50.04 last 70.80)
 - open/close 4441 (time 1780460215.23 total 60.05 last 72.44)
 - open/close 5199 (time 1780460225.24 total 70.06 last 75.71)
 - open/close 5900 (time 1780460235.25 total 80.07 last 70.07)
 - open/close 6694 (time 1780460245.25 total 90.07 last 79.36)
 - open/close 7417 (time 1780460255.25 total 100.07 last 72.29)
total: 8000 open/close in 109.03 seconds: 73.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1780460439 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 718 (time 1780460577.77 total 10.00 last 71.79)
 - open/close 1518 (time 1780460587.78 total 20.01 last 79.95)
 - open/close 2298 (time 1780460597.80 total 30.03 last 77.79)
 - open/close 3020 (time 1780460607.81 total 40.04 last 72.16)
 - open/close 3677 (time 1780460617.82 total 50.05 last 65.65)
 - open/close 4369 (time 1780460627.83 total 60.06 last 69.13)
 - open/close 5035 (time 1780460637.85 total 70.08 last 66.48)
 - open/close 5659 (time 1780460647.85 total 80.08 last 62.39)
 - open/close 6384 (time 1780460657.88 total 90.11 last 72.28)
 - open/close 7113 (time 1780460667.88 total 100.11 last 72.87)
 - open/close 7805 (time 1780460677.89 total 110.12 last 69.14)
total: 8000 open/close in 112.66 seconds: 71.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1780460792 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second