== sanity test 124b: lru resize (performance test) ================================================================================= 01:54:50 (1788846890)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 678 (time 1788846906.02 total 10.01 last 67.71)
 - open/close 1399 (time 1788846916.03 total 20.02 last 72.06)
 - open/close 2005 (time 1788846926.03 total 30.02 last 60.60)
 - open/close 2680 (time 1788846936.04 total 40.04 last 67.39)
 - open/close 3287 (time 1788846946.05 total 50.04 last 60.66)
 - open/close 3979 (time 1788846956.06 total 60.06 last 69.11)
 - open/close 4608 (time 1788846966.06 total 70.06 last 62.89)
 - open/close 5215 (time 1788846976.07 total 80.06 last 60.67)
 - open/close 5901 (time 1788846986.07 total 90.06 last 68.59)
 - open/close 6508 (time 1788846996.07 total 100.06 last 60.70)
 - open/close 7111 (time 1788847006.07 total 110.07 last 60.28)
 - open/close 7779 (time 1788847016.08 total 120.07 last 66.77)
total: 8000 open/close in 123.09 seconds: 64.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
 - unlinked 0 (time 1788847214 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
 - open/close 710 (time 1788847356.15 total 10.01 last 70.94)
 - open/close 1364 (time 1788847366.16 total 20.01 last 65.36)
 - open/close 1967 (time 1788847376.17 total 30.02 last 60.26)
 - open/close 2704 (time 1788847386.17 total 40.03 last 73.63)
 - open/close 3431 (time 1788847396.18 total 50.04 last 72.65)
 - open/close 4257 (time 1788847406.19 total 60.04 last 82.56)
 - open/close 5032 (time 1788847416.19 total 70.04 last 77.49)
 - open/close 5698 (time 1788847426.20 total 80.06 last 66.51)
 - open/close 6421 (time 1788847436.21 total 90.07 last 72.23)
 - open/close 7097 (time 1788847446.22 total 100.07 last 67.54)
 - open/close 7816 (time 1788847456.23 total 110.09 last 71.80)
total: 8000 open/close in 113.06 seconds: 70.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8008
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788847578 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second