== sanity test 124b: lru resize (performance test) ================================================================================= 19:15:43 (1781219743)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 777 (time 1781219758.96 total 10.00 last 77.68)
 - open/close 1471 (time 1781219768.97 total 20.01 last 69.32)
 - open/close 2261 (time 1781219778.99 total 30.03 last 78.85)
 - open/close 3081 (time 1781219789.00 total 40.04 last 81.93)
 - open/close 4004 (time 1781219799.01 total 50.06 last 92.18)
 - open/close 4792 (time 1781219809.02 total 60.06 last 78.75)
 - open/close 5599 (time 1781219819.03 total 70.07 last 80.61)
 - open/close 6323 (time 1781219829.03 total 80.08 last 72.38)
 - open/close 7202 (time 1781219839.04 total 90.08 last 87.85)
 - open/close 7904 (time 1781219849.04 total 100.09 last 70.17)
total: 8000 open/close in 101.23 seconds: 79.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1781220032 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 810 (time 1781220159.09 total 10.00 last 80.98)
 - open/close 1607 (time 1781220169.10 total 20.01 last 79.60)
 - open/close 2313 (time 1781220179.11 total 30.03 last 70.52)
 - open/close 2942 (time 1781220189.12 total 40.03 last 62.85)
 - open/close 3690 (time 1781220199.13 total 50.04 last 74.71)
 - open/close 4468 (time 1781220209.16 total 60.07 last 77.59)
 - open/close 5207 (time 1781220219.17 total 70.08 last 73.81)
 - open/close 5927 (time 1781220229.18 total 80.10 last 71.89)
 - open/close 6760 (time 1781220239.19 total 90.10 last 83.25)
 - open/close 7532 (time 1781220249.20 total 100.11 last 77.14)
total: 8000 open/close in 105.13 seconds: 76.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 108 seconds
lru_size = 8005
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1781220387 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second