== sanity test 124b: lru resize (performance test) ================================================================================= 01:11:34 (1746162694)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1212 (time 1746162706.70 total 10.00 last 121.16)
 - open/close 2373 (time 1746162716.71 total 20.02 last 115.96)
 - open/close 3484 (time 1746162726.71 total 30.02 last 111.04)
 - open/close 4485 (time 1746162736.72 total 40.03 last 100.04)
 - open/close 5449 (time 1746162746.72 total 50.03 last 96.38)
 - open/close 6529 (time 1746162756.72 total 60.03 last 107.99)
 - open/close 7678 (time 1746162766.73 total 70.04 last 114.82)
total: 8000 open/close in 72.76 seconds: 109.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 115 seconds
lru_size = 400
400
 - unlinked 0 (time 1746162889 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1260 (time 1746162965.57 total 10.01 last 125.92)
 - open/close 2448 (time 1746162975.58 total 20.01 last 118.73)
 - open/close 3689 (time 1746162985.58 total 30.01 last 124.08)
 - open/close 4813 (time 1746162995.59 total 40.02 last 112.32)
 - open/close 5910 (time 1746163005.60 total 50.03 last 109.59)
 - open/close 7032 (time 1746163015.60 total 60.04 last 112.13)
total: 8000 open/close in 69.09 seconds: 115.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4052
3955
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1746163086 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second