== sanity test 124b: lru resize (performance test) ================================================================================= 02:47:31 (1713509251)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007d00c800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88007d00c800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2749 (time 1713509263.11 total 10.00 last 274.80)
 - open/close 5437 (time 1713509273.11 total 20.01 last 268.75)
total: 8000 open/close in 28.60 seconds: 279.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 17 seconds
lru_size = 400
400
 - unlinked 0 (time 1713509301 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007d00c800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88007d00c800.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2666 (time 1713509337.49 total 10.00 last 266.54)
 - open/close 5536 (time 1713509347.49 total 20.00 last 286.98)
total: 8000 open/close in 28.67 seconds: 279.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 5 seconds
lru_size = 4006
4001
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1713509365 ; total 0 ; last 0)
total: 8000 unlinks in 12 seconds: 666.666687 unlinks/second