== sanity test 124b: lru resize (performance test) ================================================================================= 18:21:29 (1780093289)
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 1083 (time 1780093302.55 total 10.00 last 108.26)
 - open/close 2658 (time 1780093312.55 total 20.00 last 157.48)
 - open/close 4465 (time 1780093322.56 total 30.01 last 180.63)
 - open/close 6083 (time 1780093332.56 total 40.01 last 161.79)
total: 8000 open/close in 49.32 seconds: 162.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
400
 - unlinked 0 (time 1780093437 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2057 (time 1780093474.72 total 10.00 last 205.61)
 - open/close 3761 (time 1780093484.73 total 20.01 last 170.34)
 - open/close 5218 (time 1780093494.73 total 30.01 last 145.66)
 - open/close 6917 (time 1780093504.73 total 40.01 last 169.85)
total: 8000 open/close in 45.51 seconds: 175.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 4052
3955
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1780093573 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second