== sanity test 124b: lru resize (performance test) ================================================================================= 13:04:10 (1789146250)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 681 (time 1789146265.38 total 10.01 last 68.02)
 - open/close 1338 (time 1789146275.40 total 20.03 last 65.56)
 - open/close 2120 (time 1789146285.41 total 30.04 last 78.16)
 - open/close 2907 (time 1789146295.41 total 40.04 last 78.69)
 - open/close 3658 (time 1789146305.42 total 50.04 last 75.06)
 - open/close 4461 (time 1789146315.42 total 60.05 last 80.25)
 - open/close 5059 (time 1789146325.43 total 70.05 last 59.77)
 - open/close 5906 (time 1789146335.43 total 80.06 last 84.66)
 - open/close 6584 (time 1789146345.44 total 90.07 last 67.73)
 - open/close 7397 (time 1789146355.44 total 100.07 last 81.29)
total: 8000 open/close in 107.28 seconds: 74.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 139 seconds
lru_size = 400
 - unlinked 0 (time 1789146512 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 766 (time 1789146634.23 total 10.02 last 76.48)
 - open/close 1603 (time 1789146644.24 total 20.02 last 83.64)
 - open/close 2379 (time 1789146654.24 total 30.03 last 77.58)
 - open/close 3188 (time 1789146664.25 total 40.03 last 80.84)
 - open/close 3991 (time 1789146674.25 total 50.03 last 80.30)
 - open/close 4812 (time 1789146684.27 total 60.06 last 81.91)
 - open/close 5671 (time 1789146694.28 total 70.07 last 85.81)
 - open/close 6538 (time 1789146704.29 total 80.07 last 86.65)
 - open/close 7363 (time 1789146714.29 total 90.07 last 82.50)
total: 8000 open/close in 97.58 seconds: 81.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1789146816 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second