== sanity test 124b: lru resize (performance test) ================================================================================= 05:28:24 (1785403704)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 545 (time 1785403721.62 total 10.01 last 54.43)
 - open/close 1124 (time 1785403731.65 total 20.04 last 57.76)
 - open/close 1855 (time 1785403741.67 total 30.06 last 72.95)
 - open/close 2352 (time 1785403751.67 total 40.06 last 49.69)
 - open/close 2997 (time 1785403761.69 total 50.08 last 64.40)
 - open/close 3759 (time 1785403771.69 total 60.08 last 76.17)
 - open/close 4511 (time 1785403781.70 total 70.08 last 75.17)
 - open/close 4964 (time 1785403791.72 total 80.11 last 45.19)
 - open/close 5377 (time 1785403801.75 total 90.14 last 41.17)
 - open/close 5847 (time 1785403811.75 total 100.14 last 47.00)
 - open/close 6439 (time 1785403821.76 total 110.15 last 59.17)
 - open/close 6923 (time 1785403831.77 total 120.16 last 48.36)
 - open/close 7503 (time 1785403841.78 total 130.17 last 57.94)
total: 8000 open/close in 139.81 seconds: 57.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 155 seconds
lru_size = 400
400
 - unlinked 0 (time 1785404023 ; total 0 ; last 0)
total: 8000 unlinks in 149 seconds: 53.691277 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 612 (time 1785404190.39 total 10.01 last 61.14)
 - open/close 1365 (time 1785404200.39 total 20.01 last 75.28)
 - open/close 1998 (time 1785404210.39 total 30.02 last 63.27)
 - open/close 2879 (time 1785404220.42 total 40.04 last 87.89)
 - open/close 3368 (time 1785404230.46 total 50.08 last 48.71)
 - open/close 3876 (time 1785404240.50 total 60.12 last 50.60)
 - open/close 4472 (time 1785404250.51 total 70.14 last 59.50)
 - open/close 5098 (time 1785404260.53 total 80.16 last 62.47)
 - open/close 6052 (time 1785404270.54 total 90.17 last 95.32)
 - open/close 6619 (time 1785404280.54 total 100.17 last 56.70)
 - open/close 7089 (time 1785404290.55 total 110.18 last 46.95)
 - open/close 7524 (time 1785404300.56 total 120.18 last 43.48)
total: 8000 open/close in 127.64 seconds: 62.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 4052
3955
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1785404456 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second