== sanity test 124b: lru resize (performance test) ================================================================================= 18:05:33 (1782252333)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 715 (time 1782252347.96 total 10.00 last 71.48)
 - open/close 1364 (time 1782252357.99 total 20.03 last 64.73)
 - open/close 2073 (time 1782252367.99 total 30.03 last 70.87)
 - open/close 2759 (time 1782252378.00 total 40.04 last 68.58)
 - open/close 3364 (time 1782252388.00 total 50.04 last 60.48)
 - open/close 3913 (time 1782252398.03 total 60.07 last 54.73)
 - open/close 4468 (time 1782252408.04 total 70.08 last 55.47)
 - open/close 4998 (time 1782252418.05 total 80.09 last 52.95)
 - open/close 5552 (time 1782252428.06 total 90.10 last 55.33)
 - open/close 6062 (time 1782252438.07 total 100.11 last 50.94)
 - open/close 6592 (time 1782252448.09 total 110.13 last 52.89)
 - open/close 7227 (time 1782252458.10 total 120.14 last 63.48)
 - open/close 7826 (time 1782252468.11 total 130.15 last 59.83)
total: 8000 open/close in 133.25 seconds: 60.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
 - unlinked 0 (time 1782252662 ; total 0 ; last 0)
total: 8000 unlinks in 141 seconds: 56.737587 unlinks/second
 - open/close 598 (time 1782252818.21 total 10.01 last 59.71)
 - open/close 1249 (time 1782252828.21 total 20.02 last 65.08)
 - open/close 1821 (time 1782252838.21 total 30.02 last 57.20)
 - open/close 2399 (time 1782252848.22 total 40.03 last 57.75)
 - open/close 2963 (time 1782252858.23 total 50.03 last 56.36)
 - open/close 3582 (time 1782252868.24 total 60.05 last 61.80)
 - open/close 4207 (time 1782252878.25 total 70.05 last 62.47)
 - open/close 4847 (time 1782252888.25 total 80.05 last 64.00)
 - open/close 5435 (time 1782252898.26 total 90.07 last 58.71)
 - open/close 6090 (time 1782252908.28 total 100.08 last 65.42)
 - open/close 6713 (time 1782252918.29 total 110.09 last 62.24)
 - open/close 7309 (time 1782252928.29 total 120.10 last 59.58)
 - open/close 7911 (time 1782252938.29 total 130.10 last 60.17)
total: 8000 open/close in 131.32 seconds: 60.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1782253040 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second