== sanity test 124b: lru resize (performance test) ================================================================================= 20:17:25 (1787444245)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 709 (time 1787444262.64 total 10.01 last 70.81)
 - open/close 1451 (time 1787444272.64 total 20.02 last 74.18)
 - open/close 2136 (time 1787444282.65 total 30.02 last 68.44)
 - open/close 2844 (time 1787444292.65 total 40.03 last 70.78)
 - open/close 3578 (time 1787444302.66 total 50.03 last 73.37)
 - open/close 4325 (time 1787444312.67 total 60.04 last 74.63)
 - open/close 5137 (time 1787444322.67 total 70.05 last 81.16)
 - open/close 5887 (time 1787444332.68 total 80.06 last 74.91)
 - open/close 6662 (time 1787444342.69 total 90.07 last 77.45)
 - open/close 7467 (time 1787444352.70 total 100.07 last 80.43)
total: 8000 open/close in 106.52 seconds: 75.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1787444543 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 818 (time 1787444661.30 total 10.00 last 81.78)
 - open/close 1515 (time 1787444671.31 total 20.01 last 69.63)
 - open/close 2056 (time 1787444681.33 total 30.03 last 54.03)
 - open/close 2883 (time 1787444691.33 total 40.03 last 82.64)
 - open/close 3830 (time 1787444701.34 total 50.04 last 94.63)
 - open/close 4674 (time 1787444711.35 total 60.05 last 84.31)
 - open/close 5404 (time 1787444721.36 total 70.06 last 72.95)
 - open/close 6189 (time 1787444731.37 total 80.07 last 78.41)
 - open/close 6981 (time 1787444741.37 total 90.07 last 79.18)
 - open/close 7881 (time 1787444751.38 total 100.08 last 89.96)
total: 8000 open/close in 101.37 seconds: 78.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1787444852 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second