== sanity test 124b: lru resize (performance test) ================================================================================= 10:29:01 (1787840941)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 768 (time 1787840955.00 total 10.01 last 76.74)
 - open/close 1561 (time 1787840965.01 total 20.02 last 79.19)
 - open/close 2313 (time 1787840975.03 total 30.04 last 75.06)
 - open/close 2948 (time 1787840985.04 total 40.05 last 63.47)
 - open/close 3643 (time 1787840995.05 total 50.05 last 69.43)
 - open/close 4352 (time 1787841005.05 total 60.06 last 70.89)
 - open/close 5145 (time 1787841015.06 total 70.07 last 79.22)
 - open/close 5993 (time 1787841025.07 total 80.07 last 84.74)
 - open/close 6797 (time 1787841035.07 total 90.08 last 80.36)
 - open/close 7573 (time 1787841045.07 total 100.08 last 77.58)
total: 8000 open/close in 105.41 seconds: 75.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1787841217 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 761 (time 1787841335.18 total 10.01 last 76.06)
 - open/close 1438 (time 1787841345.18 total 20.01 last 67.68)
 - open/close 2286 (time 1787841355.18 total 30.01 last 84.77)
 - open/close 2935 (time 1787841365.19 total 40.01 last 64.90)
 - open/close 3759 (time 1787841375.19 total 50.02 last 82.34)
 - open/close 4540 (time 1787841385.20 total 60.03 last 78.03)
 - open/close 5366 (time 1787841395.20 total 70.03 last 82.59)
 - open/close 6217 (time 1787841405.21 total 80.04 last 85.05)
 - open/close 6993 (time 1787841415.22 total 90.04 last 77.54)
 - open/close 7805 (time 1787841425.22 total 100.05 last 81.19)
total: 8000 open/close in 102.59 seconds: 77.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787841527 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second