== sanity test 124b: lru resize (performance test) ================================================================================= 01:59:59 (1787119199)
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 944 (time 1787119213.46 total 10.01 last 94.28)
 - open/close 1737 (time 1787119223.46 total 20.01 last 79.29)
 - open/close 2593 (time 1787119233.47 total 30.02 last 85.56)
 - open/close 3429 (time 1787119243.47 total 40.02 last 83.58)
 - open/close 4436 (time 1787119253.47 total 50.02 last 100.70)
 - open/close 5424 (time 1787119263.47 total 60.02 last 98.78)
 - open/close 6380 (time 1787119273.47 total 70.03 last 95.57)
 - open/close 7303 (time 1787119283.48 total 80.03 last 92.26)
total: 8000 open/close in 87.91 seconds: 91.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
400
 - unlinked 0 (time 1787119452 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 926 (time 1787119557.69 total 10.01 last 92.52)
 - open/close 1901 (time 1787119567.71 total 20.03 last 97.25)
 - open/close 2841 (time 1787119577.72 total 30.04 last 93.91)
 - open/close 3745 (time 1787119587.73 total 40.05 last 90.33)
 - open/close 4761 (time 1787119597.73 total 50.05 last 101.57)
 - open/close 5604 (time 1787119607.73 total 60.06 last 84.27)
 - open/close 6483 (time 1787119617.74 total 70.07 last 87.81)
 - open/close 7296 (time 1787119627.74 total 80.07 last 81.30)
total: 8000 open/close in 87.34 seconds: 91.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1787119740 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second