== sanity test 124b: lru resize (performance test) ================================================================================= 19:53:53 (1789084433)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 730 (time 1789084448.63 total 10.01 last 72.96)
 - open/close 1387 (time 1789084458.65 total 20.02 last 65.59)
 - open/close 2086 (time 1789084468.65 total 30.02 last 69.88)
 - open/close 2853 (time 1789084478.65 total 40.03 last 76.67)
 - open/close 3590 (time 1789084488.66 total 50.04 last 73.63)
 - open/close 4294 (time 1789084498.67 total 60.04 last 70.37)
 - open/close 4944 (time 1789084508.67 total 70.05 last 64.96)
 - open/close 5732 (time 1789084518.67 total 80.05 last 78.79)
 - open/close 6486 (time 1789084528.67 total 90.05 last 75.39)
 - open/close 7255 (time 1789084538.68 total 100.05 last 76.88)
 - open/close 7970 (time 1789084548.69 total 110.06 last 71.42)
total: 8000 open/close in 110.50 seconds: 72.40 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 1789084733 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 636 (time 1789084862.86 total 10.00 last 63.57)
 - open/close 1328 (time 1789084872.87 total 20.01 last 69.14)
 - open/close 2115 (time 1789084882.88 total 30.02 last 78.61)
 - open/close 2938 (time 1789084892.88 total 40.03 last 82.24)
 - open/close 3736 (time 1789084902.90 total 50.04 last 79.70)
 - open/close 4520 (time 1789084912.92 total 60.06 last 78.25)
 - open/close 5301 (time 1789084922.92 total 70.07 last 78.08)
 - open/close 6030 (time 1789084932.92 total 80.07 last 72.86)
 - open/close 6782 (time 1789084942.93 total 90.08 last 75.15)
 - open/close 7587 (time 1789084952.94 total 100.09 last 80.44)
total: 8000 open/close in 105.21 seconds: 76.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1789085066 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second