== sanity test 124b: lru resize (performance test) ================================================================================= 08:27:30 (1741696050)
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 2375 (time 1741696062.60 total 10.00 last 237.43)
 - open/close 4691 (time 1741696072.60 total 20.00 last 231.59)
 - open/close 7160 (time 1741696082.60 total 30.00 last 246.90)
total: 8000 open/close in 33.44 seconds: 239.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 400
400
 - unlinked 0 (time 1741696133 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2499 (time 1741696160.61 total 10.00 last 249.84)
 - open/close 4894 (time 1741696170.61 total 20.00 last 239.46)
 - open/close 7305 (time 1741696180.62 total 30.00 last 241.08)
total: 8000 open/close in 32.82 seconds: 243.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4006
4001
ls -la is 79% faster with lru resize enabled
 - unlinked 0 (time 1741696199 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second