== sanity test 124b: lru resize (performance test) ================================================================================= 07:02:32 (1779879752)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 835 (time 1779879767.13 total 10.00 last 83.47)
 - open/close 1586 (time 1779879777.14 total 20.01 last 75.03)
 - open/close 2325 (time 1779879787.15 total 30.02 last 73.82)
 - open/close 3030 (time 1779879797.16 total 40.03 last 70.46)
 - open/close 3647 (time 1779879807.16 total 50.04 last 61.65)
 - open/close 4325 (time 1779879817.18 total 60.05 last 67.72)
 - open/close 5055 (time 1779879827.18 total 70.06 last 72.94)
 - open/close 5820 (time 1779879837.19 total 80.06 last 76.47)
 - open/close 6608 (time 1779879847.21 total 90.08 last 78.64)
 - open/close 7312 (time 1779879857.21 total 100.08 last 70.39)
total: 8000 open/close in 108.92 seconds: 73.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 167 seconds
lru_size = 400
 - unlinked 0 (time 1779880045 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 819 (time 1779880175.73 total 10.00 last 81.89)
 - open/close 1572 (time 1779880185.73 total 20.00 last 75.28)
 - open/close 2246 (time 1779880195.75 total 30.02 last 67.29)
 - open/close 2956 (time 1779880205.75 total 40.03 last 70.96)
 - open/close 3638 (time 1779880215.76 total 50.04 last 68.14)
 - open/close 4362 (time 1779880225.78 total 60.05 last 72.26)
 - open/close 4964 (time 1779880235.80 total 70.07 last 60.11)
 - open/close 5620 (time 1779880245.80 total 80.07 last 65.58)
 - open/close 6307 (time 1779880255.81 total 90.08 last 68.67)
 - open/close 7073 (time 1779880265.81 total 100.08 last 76.58)
 - open/close 7799 (time 1779880275.82 total 110.09 last 72.54)
total: 8000 open/close in 112.43 seconds: 71.16 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 47% faster with lru resize enabled
 - unlinked 0 (time 1779880391 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second