== sanity test 124b: lru resize (performance test) ================================================================================= 22:22:14 (1788574934)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 581 (time 1788574950.63 total 10.01 last 58.04)
 - open/close 1193 (time 1788574960.64 total 20.02 last 61.14)
 - open/close 1829 (time 1788574970.65 total 30.03 last 63.54)
 - open/close 2422 (time 1788574980.65 total 40.03 last 59.28)
 - open/close 2919 (time 1788574990.66 total 50.04 last 49.67)
 - open/close 3525 (time 1788575000.67 total 60.06 last 60.50)
 - open/close 4184 (time 1788575010.69 total 70.07 last 65.80)
 - open/close 4781 (time 1788575020.70 total 80.09 last 59.60)
 - open/close 5388 (time 1788575030.71 total 90.09 last 60.66)
 - open/close 6019 (time 1788575040.72 total 100.10 last 63.07)
 - open/close 6502 (time 1788575050.73 total 110.12 last 48.21)
 - open/close 7063 (time 1788575060.75 total 120.13 last 56.02)
 - open/close 7668 (time 1788575070.76 total 130.14 last 60.42)
total: 8000 open/close in 135.35 seconds: 59.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1788575261 ; total 0 ; last 0)
total: 8000 unlinks in 135 seconds: 59.259258 unlinks/second
 - open/close 556 (time 1788575412.49 total 10.01 last 55.52)
 - open/close 1125 (time 1788575422.49 total 20.02 last 56.88)
 - open/close 1755 (time 1788575432.51 total 30.04 last 62.85)
 - open/close 2416 (time 1788575442.52 total 40.05 last 66.07)
 - open/close 3074 (time 1788575452.52 total 50.05 last 65.77)
 - open/close 3680 (time 1788575462.53 total 60.05 last 60.58)
 - open/close 4289 (time 1788575472.53 total 70.06 last 60.89)
 - open/close 4922 (time 1788575482.54 total 80.06 last 63.24)
 - open/close 5530 (time 1788575492.55 total 90.08 last 60.71)
 - open/close 6222 (time 1788575502.55 total 100.08 last 69.18)
 - open/close 6909 (time 1788575512.56 total 110.09 last 68.65)
 - open/close 7617 (time 1788575522.56 total 120.09 last 70.78)
total: 8000 open/close in 126.36 seconds: 63.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788575633 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second