== sanity test 124b: lru resize (performance test) ================================================================================= 06:59:13 (1726829953)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800ad895800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800ad895800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1568 (time 1726829965.90 total 10.00 last 156.73)
 - open/close 3103 (time 1726829975.90 total 20.01 last 153.39)
 - open/close 4631 (time 1726829985.90 total 30.01 last 152.79)
 - open/close 6095 (time 1726829995.91 total 40.02 last 146.34)
 - open/close 7492 (time 1726830005.91 total 50.02 last 139.64)
total: 8000 open/close in 53.74 seconds: 148.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 72 seconds
lru_size = 400
400
 - unlinked 0 (time 1726830086 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800ad895800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800ad895800.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1613 (time 1726830144.67 total 10.01 last 161.16)
 - open/close 3368 (time 1726830154.67 total 20.01 last 175.50)
 - open/close 4872 (time 1726830164.67 total 30.01 last 150.34)
 - open/close 6331 (time 1726830174.67 total 40.02 last 145.84)
total: 8000 open/close in 49.89 seconds: 160.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 29 seconds
lru_size = 4006
4001
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1726830220 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second