== sanity test 124b: lru resize (performance test) ================================================================================= 18:01:49 (1717020109)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012c525800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012c525800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1391 (time 1717020121.10 total 10.00 last 139.07)
 - open/close 2762 (time 1717020131.11 total 20.01 last 137.04)
 - open/close 4153 (time 1717020141.11 total 30.01 last 138.99)
 - open/close 5485 (time 1717020151.13 total 40.03 last 133.02)
 - open/close 6852 (time 1717020161.13 total 50.03 last 136.66)
total: 8000 open/close in 57.69 seconds: 138.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1717020241 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012c525800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012c525800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1167 (time 1717020312.74 total 10.01 last 116.62)
 - open/close 2466 (time 1717020322.74 total 20.01 last 129.85)
 - open/close 3718 (time 1717020332.74 total 30.01 last 125.19)
 - open/close 5079 (time 1717020342.75 total 40.01 last 136.06)
 - open/close 6516 (time 1717020352.75 total 50.02 last 143.68)
 - open/close 7914 (time 1717020362.75 total 60.02 last 139.77)
total: 8000 open/close in 60.56 seconds: 132.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 15 seconds
lru_size = 4006
4001
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1717020383 ; total 0 ; last 0)
total: 8000 unlinks in 38 seconds: 210.526321 unlinks/second