== sanity test 124b: lru resize (performance test) ================================================================================= 05:26:37 (1787477197)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 802 (time 1787477212.36 total 10.01 last 80.09)
 - open/close 1582 (time 1787477222.37 total 20.02 last 77.93)
 - open/close 2383 (time 1787477232.38 total 30.03 last 80.06)
 - open/close 3171 (time 1787477242.38 total 40.04 last 78.74)
 - open/close 3998 (time 1787477252.39 total 50.04 last 82.68)
 - open/close 4844 (time 1787477262.39 total 60.04 last 84.57)
 - open/close 5664 (time 1787477272.40 total 70.05 last 81.94)
 - open/close 6572 (time 1787477282.41 total 80.06 last 90.71)
 - open/close 7473 (time 1787477292.41 total 90.06 last 90.07)
total: 8000 open/close in 96.01 seconds: 83.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
400
 - unlinked 0 (time 1787477468 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 767 (time 1787477584.56 total 10.01 last 76.60)
 - open/close 1627 (time 1787477594.56 total 20.02 last 85.93)
 - open/close 2521 (time 1787477604.57 total 30.03 last 89.34)
 - open/close 3375 (time 1787477614.57 total 40.03 last 85.37)
 - open/close 4229 (time 1787477624.58 total 50.04 last 85.32)
 - open/close 5146 (time 1787477634.59 total 60.05 last 91.66)
 - open/close 5989 (time 1787477644.59 total 70.05 last 84.29)
 - open/close 6898 (time 1787477654.59 total 80.05 last 90.88)
 - open/close 7764 (time 1787477664.59 total 90.05 last 86.58)
total: 8000 open/close in 92.83 seconds: 86.18 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 4006
4001
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787477769 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second