== sanity test 124b: lru resize (performance test) ================================================================================= 14:33:09 (1789065189)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 775 (time 1789065206.11 total 10.02 last 77.34)
 - open/close 1513 (time 1789065216.12 total 20.03 last 73.72)
 - open/close 2282 (time 1789065226.13 total 30.04 last 76.84)
 - open/close 3130 (time 1789065236.13 total 40.04 last 84.80)
 - open/close 3880 (time 1789065246.13 total 50.04 last 75.00)
 - open/close 4806 (time 1789065256.16 total 60.07 last 92.32)
 - open/close 5624 (time 1789065266.17 total 70.08 last 81.74)
 - open/close 6397 (time 1789065276.19 total 80.10 last 77.14)
 - open/close 7260 (time 1789065286.19 total 90.10 last 86.27)
 - open/close 7897 (time 1789065296.20 total 100.11 last 63.65)
total: 8000 open/close in 101.96 seconds: 78.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1789065486 ; total 1 ; last 1)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 558 (time 1789065613.72 total 10.01 last 55.75)
 - open/close 1146 (time 1789065623.73 total 20.02 last 58.76)
 - open/close 1639 (time 1789065633.73 total 30.02 last 49.29)
 - open/close 2251 (time 1789065643.75 total 40.03 last 61.11)
 - open/close 3055 (time 1789065653.76 total 50.04 last 80.32)
 - open/close 3750 (time 1789065663.76 total 60.04 last 69.50)
 - open/close 4596 (time 1789065673.77 total 70.05 last 84.51)
 - open/close 5360 (time 1789065683.77 total 80.06 last 76.37)
 - open/close 6231 (time 1789065693.78 total 90.07 last 87.03)
 - open/close 6996 (time 1789065703.81 total 100.10 last 76.26)
 - open/close 7723 (time 1789065713.81 total 110.10 last 72.68)
total: 8000 open/close in 113.16 seconds: 70.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1789065846 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second