== sanity test 124b: lru resize (performance test) ================================================================================= 04:30:35 (1790929835)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 710 (time 1790929851.58 total 10.01 last 70.94)
 - open/close 1308 (time 1790929861.60 total 20.03 last 59.70)
 - open/close 1925 (time 1790929871.61 total 30.03 last 61.64)
 - open/close 2589 (time 1790929881.62 total 40.05 last 66.30)
 - open/close 3303 (time 1790929891.63 total 50.05 last 71.39)
 - open/close 3937 (time 1790929901.63 total 60.05 last 63.38)
 - open/close 4643 (time 1790929911.65 total 70.08 last 70.45)
 - open/close 5323 (time 1790929921.66 total 80.09 last 67.93)
 - open/close 5905 (time 1790929931.68 total 90.10 last 58.09)
 - open/close 6398 (time 1790929941.68 total 100.10 last 49.29)
 - open/close 7028 (time 1790929951.68 total 110.11 last 62.99)
 - open/close 7621 (time 1790929961.71 total 120.14 last 59.10)
total: 8000 open/close in 126.34 seconds: 63.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
 - unlinked 0 (time 1790930168 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 559 (time 1790930296.14 total 10.00 last 55.89)
 - open/close 1214 (time 1790930306.14 total 20.00 last 65.50)
 - open/close 1937 (time 1790930316.15 total 30.01 last 72.27)
 - open/close 2610 (time 1790930326.17 total 40.03 last 67.14)
 - open/close 3222 (time 1790930336.17 total 50.03 last 61.19)
 - open/close 3780 (time 1790930346.17 total 60.04 last 55.78)
 - open/close 4458 (time 1790930356.20 total 70.07 last 67.60)
 - open/close 5067 (time 1790930366.22 total 80.08 last 60.80)
 - open/close 5670 (time 1790930376.26 total 90.13 last 60.04)
 - open/close 6184 (time 1790930386.27 total 100.13 last 51.39)
 - open/close 6710 (time 1790930396.29 total 110.15 last 52.46)
 - open/close 7282 (time 1790930406.30 total 120.16 last 57.14)
 - open/close 7960 (time 1790930416.31 total 130.17 last 67.78)
total: 8000 open/close in 130.61 seconds: 61.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1790930536 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second