== sanity test 124b: lru resize (performance test) ================================================================================= 20:33:22 (1712018002)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aae97800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aae97800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1576 (time 1712018014.17 total 10.00 last 157.58)
 - open/close 3179 (time 1712018024.17 total 20.00 last 160.24)
 - open/close 4902 (time 1712018034.17 total 30.01 last 172.28)
 - open/close 6580 (time 1712018044.17 total 40.01 last 167.77)
 - open/close 7435 (time 1712018061.08 total 56.92 last 50.57)
total: 8000 open/close in 60.40 seconds: 132.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 400
400
 - unlinked 0 (time 1712018134 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800aae97800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800aae97800.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1796 (time 1712018193.97 total 10.01 last 179.50)
 - open/close 3223 (time 1712018203.97 total 20.01 last 142.65)
 - open/close 4508 (time 1712018213.98 total 30.01 last 128.46)
 - open/close 5214 (time 1712018230.68 total 46.71 last 42.28)
 - open/close 6352 (time 1712018251.15 total 67.18 last 55.59)
 - open/close 7480 (time 1712018261.15 total 77.19 last 112.75)
total: 8000 open/close in 81.85 seconds: 97.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 20 seconds
lru_size = 4052
3955
ls -la is 69% faster with lru resize enabled
 - unlinked 0 (time 1712018291 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second