== sanity test 124b: lru resize (performance test) ================================================================================= 10:51:47 (1787755907)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 472 (time 1787755922.70 total 10.01 last 47.16)
 - open/close 1003 (time 1787755932.71 total 20.02 last 53.05)
 - open/close 1574 (time 1787755942.72 total 30.03 last 57.01)
 - open/close 2092 (time 1787755952.73 total 40.04 last 51.78)
 - open/close 2715 (time 1787755962.73 total 50.04 last 62.27)
 - open/close 3327 (time 1787755972.74 total 60.05 last 61.16)
 - open/close 4032 (time 1787755982.74 total 70.05 last 70.50)
 - open/close 4735 (time 1787755992.74 total 80.05 last 70.27)
 - open/close 5216 (time 1787756002.74 total 90.05 last 48.09)
 - open/close 5846 (time 1787756012.77 total 100.08 last 62.84)
 - open/close 6371 (time 1787756022.80 total 110.11 last 52.32)
 - open/close 6914 (time 1787756032.80 total 120.11 last 54.29)
 - open/close 7512 (time 1787756042.81 total 130.12 last 59.78)
total: 8000 open/close in 138.43 seconds: 57.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1787756237 ; total 0 ; last 0)
total: 8000 unlinks in 139 seconds: 57.553955 unlinks/second
 - open/close 643 (time 1787756392.37 total 10.01 last 64.23)
 - open/close 1237 (time 1787756402.39 total 20.03 last 59.30)
 - open/close 1872 (time 1787756412.42 total 30.06 last 63.32)
 - open/close 2490 (time 1787756422.42 total 40.06 last 61.80)
 - open/close 3117 (time 1787756432.43 total 50.07 last 62.64)
 - open/close 3907 (time 1787756442.43 total 60.07 last 78.96)
 - open/close 4639 (time 1787756452.43 total 70.07 last 73.19)
 - open/close 5307 (time 1787756462.44 total 80.08 last 66.76)
 - open/close 5900 (time 1787756472.45 total 90.09 last 59.24)
 - open/close 6568 (time 1787756482.46 total 100.10 last 66.75)
 - open/close 7166 (time 1787756492.47 total 110.11 last 59.70)
 - open/close 7761 (time 1787756502.49 total 120.13 last 59.40)
total: 8000 open/close in 124.07 seconds: 64.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 122 seconds
lru_size = 8008
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1787756653 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second