== sanity test 124b: lru resize (performance test) ================================================================================= 12:52:02 (1788367922)
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 1082 (time 1788367935.21 total 10.00 last 108.20)
 - open/close 2202 (time 1788367945.22 total 20.01 last 111.93)
 - open/close 3352 (time 1788367955.22 total 30.01 last 114.98)
 - open/close 4433 (time 1788367965.22 total 40.01 last 108.08)
 - open/close 5651 (time 1788367975.22 total 50.01 last 121.78)
 - open/close 6845 (time 1788367985.23 total 60.02 last 119.30)
total: 8000 open/close in 69.64 seconds: 114.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 112 seconds
lru_size = 400
400
 - unlinked 0 (time 1788368113 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1315 (time 1788368190.58 total 10.00 last 131.46)
 - open/close 2543 (time 1788368200.58 total 20.00 last 122.79)
 - open/close 3742 (time 1788368210.59 total 30.01 last 119.88)
 - open/close 4946 (time 1788368220.59 total 40.01 last 120.32)
 - open/close 6210 (time 1788368230.59 total 50.01 last 126.38)
 - open/close 7458 (time 1788368240.60 total 60.01 last 124.78)
total: 8000 open/close in 64.76 seconds: 123.52 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4006
4001
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1788368309 ; total 0 ; last 0)
total: 8000 unlinks in 44 seconds: 181.818176 unlinks/second