== sanity test 124b: lru resize (performance test) ================================================================================= 08:22:18 (1787746938)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 591 (time 1787746954.20 total 10.00 last 59.10)
 - open/close 1127 (time 1787746964.20 total 20.00 last 53.59)
 - open/close 1662 (time 1787746974.22 total 30.02 last 53.41)
 - open/close 2142 (time 1787746984.24 total 40.04 last 47.92)
 - open/close 2734 (time 1787746994.25 total 50.05 last 59.14)
 - open/close 3346 (time 1787747004.25 total 60.05 last 61.19)
 - open/close 3934 (time 1787747014.25 total 70.05 last 58.77)
 - open/close 4569 (time 1787747024.30 total 80.10 last 63.17)
 - open/close 5157 (time 1787747034.32 total 90.12 last 58.72)
 - open/close 5645 (time 1787747044.32 total 100.12 last 48.79)
 - open/close 6211 (time 1787747054.32 total 110.12 last 56.60)
 - open/close 6732 (time 1787747064.32 total 120.12 last 52.08)
 - open/close 7293 (time 1787747074.33 total 130.13 last 56.09)
 - open/close 7907 (time 1787747084.34 total 140.14 last 61.33)
total: 8000 open/close in 141.67 seconds: 56.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 242 seconds
lru_size = 400
 - unlinked 0 (time 1787747343 ; total 0 ; last 0)
total: 8000 unlinks in 177 seconds: 45.197739 unlinks/second
 - open/close 447 (time 1787747538.01 total 10.01 last 44.68)
 - open/close 948 (time 1787747548.01 total 20.01 last 50.10)
 - open/close 1483 (time 1787747558.02 total 30.01 last 53.48)
 - open/close 2042 (time 1787747568.03 total 40.02 last 55.82)
 - open/close 2617 (time 1787747578.05 total 50.04 last 57.41)
 - open/close 3162 (time 1787747588.06 total 60.05 last 54.44)
 - open/close 3712 (time 1787747598.07 total 70.06 last 54.94)
 - open/close 4285 (time 1787747608.07 total 80.06 last 57.27)
 - open/close 4833 (time 1787747618.08 total 90.07 last 54.77)
 - open/close 5346 (time 1787747628.08 total 100.08 last 51.26)
 - open/close 5814 (time 1787747638.10 total 110.09 last 46.74)
 - open/close 6349 (time 1787747648.11 total 120.10 last 53.45)
 - open/close 6879 (time 1787747658.11 total 130.11 last 52.96)
 - open/close 7395 (time 1787747668.12 total 140.11 last 51.59)
 - open/close 7942 (time 1787747678.13 total 150.13 last 54.61)
total: 8000 open/close in 151.22 seconds: 52.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1787747831 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second