== sanity test 124b: lru resize (performance test) ================================================================================= 14:30:48 (1786818648)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 807 (time 1786818663.54 total 10.01 last 80.62)
 - open/close 1599 (time 1786818673.57 total 20.03 last 79.04)
 - open/close 2419 (time 1786818683.59 total 30.05 last 81.83)
 - open/close 3270 (time 1786818693.59 total 40.06 last 85.06)
 - open/close 4113 (time 1786818703.60 total 50.06 last 84.24)
 - open/close 4998 (time 1786818713.60 total 60.07 last 88.45)
 - open/close 5816 (time 1786818723.61 total 70.08 last 81.74)
 - open/close 6687 (time 1786818733.62 total 80.08 last 87.05)
 - open/close 7593 (time 1786818743.62 total 90.08 last 90.59)
total: 8000 open/close in 94.46 seconds: 84.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
400
 - unlinked 0 (time 1786818909 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 985 (time 1786819019.24 total 10.00 last 98.46)
 - open/close 1873 (time 1786819029.24 total 20.01 last 88.78)
 - open/close 2737 (time 1786819039.24 total 30.01 last 86.39)
 - open/close 3624 (time 1786819049.24 total 40.01 last 88.67)
 - open/close 4507 (time 1786819059.24 total 50.01 last 88.29)
 - open/close 5357 (time 1786819069.25 total 60.02 last 84.93)
 - open/close 6278 (time 1786819079.25 total 70.02 last 92.09)
 - open/close 7246 (time 1786819089.26 total 80.02 last 96.78)
total: 8000 open/close in 87.98 seconds: 90.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 4052
3955
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1786819185 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second