== sanity test 124b: lru resize (performance test) ================================================================================= 05:48:52 (1786700932)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 782 (time 1786700947.48 total 10.00 last 78.19)
 - open/close 1577 (time 1786700957.50 total 20.02 last 79.34)
 - open/close 2308 (time 1786700967.50 total 30.03 last 73.06)
 - open/close 3132 (time 1786700977.51 total 40.03 last 82.34)
 - open/close 3930 (time 1786700987.53 total 50.05 last 79.67)
 - open/close 4753 (time 1786700997.53 total 60.06 last 82.24)
 - open/close 5588 (time 1786701007.54 total 70.06 last 83.47)
 - open/close 6530 (time 1786701017.54 total 80.07 last 94.14)
 - open/close 7325 (time 1786701027.55 total 90.07 last 79.46)
total: 8000 open/close in 97.82 seconds: 81.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
 - unlinked 0 (time 1786701205 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 835 (time 1786701327.70 total 10.00 last 83.46)
 - open/close 1631 (time 1786701337.70 total 20.01 last 79.58)
 - open/close 2483 (time 1786701347.71 total 30.01 last 85.16)
 - open/close 3354 (time 1786701357.72 total 40.02 last 87.04)
 - open/close 4152 (time 1786701367.74 total 50.04 last 79.60)
 - open/close 4923 (time 1786701377.74 total 60.05 last 77.07)
 - open/close 5740 (time 1786701387.75 total 70.05 last 81.65)
 - open/close 6509 (time 1786701397.76 total 80.06 last 76.84)
 - open/close 7213 (time 1786701407.77 total 90.07 last 70.35)
 - open/close 7918 (time 1786701417.78 total 100.08 last 70.39)
total: 8000 open/close in 101.28 seconds: 78.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1786701535 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second