== sanity test 124b: lru resize (performance test) ================================================================================= 15:56:06 (1780343766)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 802 (time 1780343779.62 total 10.02 last 80.07)
 - open/close 1584 (time 1780343789.63 total 20.02 last 78.16)
 - open/close 2361 (time 1780343799.63 total 30.03 last 77.65)
 - open/close 3112 (time 1780343809.63 total 40.03 last 75.10)
 - open/close 3855 (time 1780343819.64 total 50.03 last 74.27)
 - open/close 4625 (time 1780343829.64 total 60.04 last 76.96)
 - open/close 5401 (time 1780343839.65 total 70.05 last 77.51)
 - open/close 6107 (time 1780343849.66 total 80.06 last 70.54)
 - open/close 6867 (time 1780343859.67 total 90.06 last 75.96)
 - open/close 7752 (time 1780343869.68 total 100.07 last 88.41)
total: 8000 open/close in 102.81 seconds: 77.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 129 seconds
lru_size = 400
 - unlinked 0 (time 1780344007 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second
 - open/close 877 (time 1780344095.71 total 10.01 last 87.59)
 - open/close 1808 (time 1780344105.71 total 20.01 last 93.08)
 - open/close 2699 (time 1780344115.72 total 30.02 last 89.04)
 - open/close 3578 (time 1780344125.72 total 40.02 last 87.87)
 - open/close 4431 (time 1780344135.72 total 50.03 last 85.28)
 - open/close 5364 (time 1780344145.73 total 60.04 last 93.22)
 - open/close 6279 (time 1780344155.74 total 70.04 last 91.44)
 - open/close 7334 (time 1780344165.74 total 80.05 last 105.43)
total: 8000 open/close in 86.46 seconds: 92.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 8005
ls -la is 59% faster with lru resize enabled
 - unlinked 0 (time 1780344237 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second