== sanity test 124b: lru resize (performance test) ================================================================================= 18:10:56 (1783980656)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 823 (time 1783980670.61 total 10.01 last 82.25)
 - open/close 1499 (time 1783980680.62 total 20.01 last 67.55)
 - open/close 2195 (time 1783980690.63 total 30.03 last 69.52)
 - open/close 2939 (time 1783980700.63 total 40.03 last 74.36)
 - open/close 3738 (time 1783980710.65 total 50.05 last 79.77)
 - open/close 4388 (time 1783980720.68 total 60.08 last 64.81)
 - open/close 5123 (time 1783980730.69 total 70.09 last 73.43)
 - open/close 5875 (time 1783980740.69 total 80.09 last 75.19)
 - open/close 6640 (time 1783980750.70 total 90.09 last 76.46)
 - open/close 7335 (time 1783980760.70 total 100.10 last 69.46)
 - open/close 7903 (time 1783980770.71 total 110.10 last 56.77)
total: 8000 open/close in 111.15 seconds: 71.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 177 seconds
lru_size = 400
 - unlinked 0 (time 1783980959 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 811 (time 1783981082.95 total 10.00 last 81.06)
 - open/close 1604 (time 1783981092.96 total 20.01 last 79.26)
 - open/close 2295 (time 1783981102.96 total 30.01 last 69.08)
 - open/close 3013 (time 1783981112.97 total 40.02 last 71.75)
 - open/close 3904 (time 1783981122.97 total 50.02 last 89.09)
 - open/close 4722 (time 1783981132.98 total 60.03 last 81.71)
 - open/close 5485 (time 1783981142.99 total 70.04 last 76.23)
 - open/close 6264 (time 1783981153.00 total 80.06 last 77.78)
 - open/close 7033 (time 1783981163.01 total 90.06 last 76.89)
 - open/close 7832 (time 1783981173.02 total 100.07 last 79.81)
total: 8000 open/close in 102.09 seconds: 78.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1783981288 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second