== sanity test 124b: lru resize (performance test) ================================================================================= 09:48:42 (1787406522)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 573 (time 1787406538.84 total 10.01 last 57.26)
 - open/close 1188 (time 1787406548.84 total 20.01 last 61.49)
 - open/close 1811 (time 1787406558.85 total 30.02 last 62.24)
 - open/close 2451 (time 1787406568.86 total 40.03 last 63.91)
 - open/close 3045 (time 1787406578.88 total 50.04 last 59.34)
 - open/close 3705 (time 1787406588.88 total 60.05 last 65.97)
 - open/close 4312 (time 1787406598.88 total 70.05 last 60.68)
 - open/close 4850 (time 1787406608.90 total 80.06 last 53.73)
 - open/close 5448 (time 1787406618.91 total 90.07 last 59.73)
 - open/close 6043 (time 1787406628.92 total 100.08 last 59.44)
 - open/close 6595 (time 1787406638.92 total 110.09 last 55.18)
 - open/close 7221 (time 1787406648.94 total 120.10 last 62.51)
 - open/close 7823 (time 1787406658.95 total 130.12 last 60.12)
total: 8000 open/close in 132.92 seconds: 60.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 193 seconds
lru_size = 400
 - unlinked 0 (time 1787406865 ; total 0 ; last 0)
total: 8000 unlinks in 138 seconds: 57.971016 unlinks/second
 - open/close 663 (time 1787407018.20 total 10.01 last 66.25)
 - open/close 1320 (time 1787407028.21 total 20.02 last 65.64)
 - open/close 1987 (time 1787407038.23 total 30.03 last 66.59)
 - open/close 2629 (time 1787407048.24 total 40.05 last 64.12)
 - open/close 3280 (time 1787407058.25 total 50.05 last 65.08)
 - open/close 3881 (time 1787407068.28 total 60.08 last 59.92)
 - open/close 4451 (time 1787407078.28 total 70.09 last 56.96)
 - open/close 5091 (time 1787407088.29 total 80.09 last 63.96)
 - open/close 5714 (time 1787407098.30 total 90.10 last 62.23)
 - open/close 6327 (time 1787407108.31 total 100.12 last 61.21)
 - open/close 6965 (time 1787407118.32 total 110.12 last 63.78)
 - open/close 7613 (time 1787407128.33 total 120.13 last 64.72)
total: 8000 open/close in 126.16 seconds: 63.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8007
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1787407246 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second