== sanity test 124b: lru resize (performance test) ================================================================================= 19:14:17 (1746141257)
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 1085 (time 1746141270.34 total 10.00 last 108.45)
 - open/close 2380 (time 1746141280.34 total 20.00 last 129.50)
 - open/close 3864 (time 1746141290.35 total 30.01 last 148.26)
 - open/close 5194 (time 1746141300.35 total 40.01 last 133.00)
 - open/close 6567 (time 1746141310.36 total 50.02 last 137.19)
total: 8000 open/close in 59.67 seconds: 134.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
400
 - unlinked 0 (time 1746141421 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1124 (time 1746141485.44 total 10.01 last 112.29)
 - open/close 2189 (time 1746141495.45 total 20.01 last 106.46)
 - open/close 3464 (time 1746141505.46 total 30.02 last 127.40)
 - open/close 4663 (time 1746141515.46 total 40.02 last 119.88)
 - open/close 5813 (time 1746141525.46 total 50.03 last 114.95)
 - open/close 6948 (time 1746141535.46 total 60.03 last 113.48)
total: 8000 open/close in 69.22 seconds: 115.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 25 seconds
lru_size = 4006
4001
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1746141577 ; total 0 ; last 0)
total: 8000 unlinks in 34 seconds: 235.294113 unlinks/second