== sanity test 124b: lru resize (performance test) ================================================================================= 06:21:13 (1787394073)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 720 (time 1787394087.00 total 10.01 last 71.95)
 - open/close 1442 (time 1787394097.00 total 20.01 last 72.17)
 - open/close 2189 (time 1787394107.00 total 30.01 last 74.68)
 - open/close 2962 (time 1787394117.01 total 40.02 last 77.25)
 - open/close 3654 (time 1787394127.03 total 50.05 last 69.03)
 - open/close 4423 (time 1787394137.04 total 60.05 last 76.87)
 - open/close 5183 (time 1787394147.05 total 70.06 last 75.93)
 - open/close 5943 (time 1787394157.05 total 80.07 last 75.95)
 - open/close 6693 (time 1787394167.06 total 90.07 last 74.96)
 - open/close 7410 (time 1787394177.06 total 100.07 last 71.69)
total: 8000 open/close in 107.93 seconds: 74.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1787394374 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 774 (time 1787394499.82 total 10.01 last 77.31)
 - open/close 1564 (time 1787394509.82 total 20.02 last 78.97)
 - open/close 2341 (time 1787394519.84 total 30.03 last 77.57)
 - open/close 3116 (time 1787394529.84 total 40.04 last 77.44)
 - open/close 3913 (time 1787394539.86 total 50.06 last 79.57)
 - open/close 4732 (time 1787394549.86 total 60.06 last 81.88)
 - open/close 5452 (time 1787394559.87 total 70.07 last 71.92)
 - open/close 6171 (time 1787394569.90 total 80.10 last 71.69)
 - open/close 6936 (time 1787394579.91 total 90.10 last 76.46)
 - open/close 7731 (time 1787394589.91 total 100.11 last 79.46)
total: 8000 open/close in 103.58 seconds: 77.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1787394700 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second