== sanity test 124b: lru resize (performance test) ================================================================================= 22:25:50 (1787624750)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 801 (time 1787624765.06 total 10.00 last 80.09)
 - open/close 1567 (time 1787624775.06 total 20.00 last 76.58)
 - open/close 2300 (time 1787624785.07 total 30.01 last 73.23)
 - open/close 3082 (time 1787624795.07 total 40.01 last 78.19)
 - open/close 3843 (time 1787624805.08 total 50.02 last 76.06)
 - open/close 4643 (time 1787624815.08 total 60.02 last 79.97)
 - open/close 5433 (time 1787624825.08 total 70.03 last 78.98)
 - open/close 6289 (time 1787624835.09 total 80.03 last 85.59)
 - open/close 7112 (time 1787624845.09 total 90.03 last 82.28)
 - open/close 7919 (time 1787624855.09 total 100.03 last 80.68)
total: 8000 open/close in 101.04 seconds: 79.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 141 seconds
lru_size = 400
 - unlinked 0 (time 1787625007 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 771 (time 1787625138.67 total 10.00 last 77.09)
 - open/close 1554 (time 1787625148.67 total 20.00 last 78.30)
 - open/close 2201 (time 1787625158.67 total 30.00 last 64.70)
 - open/close 3009 (time 1787625168.68 total 40.01 last 80.73)
 - open/close 3815 (time 1787625178.68 total 50.02 last 80.57)
 - open/close 4622 (time 1787625188.69 total 60.02 last 80.67)
 - open/close 5395 (time 1787625198.69 total 70.03 last 77.25)
 - open/close 6199 (time 1787625208.69 total 80.03 last 80.39)
 - open/close 7009 (time 1787625218.70 total 90.03 last 80.97)
 - open/close 7865 (time 1787625228.70 total 100.03 last 85.57)
total: 8000 open/close in 101.73 seconds: 78.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1787625335 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second