== sanity test 124b: lru resize (performance test) ================================================================================= 13:23:14 (1787851394)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 841 (time 1787851408.76 total 10.01 last 84.06)
 - open/close 1614 (time 1787851418.77 total 20.01 last 77.25)
 - open/close 2382 (time 1787851428.78 total 30.02 last 76.75)
 - open/close 3171 (time 1787851438.78 total 40.02 last 78.87)
 - open/close 3940 (time 1787851448.80 total 50.04 last 76.78)
 - open/close 4750 (time 1787851458.81 total 60.05 last 80.92)
 - open/close 5513 (time 1787851468.81 total 70.05 last 76.30)
 - open/close 6230 (time 1787851478.81 total 80.05 last 71.68)
 - open/close 6914 (time 1787851488.82 total 90.06 last 68.30)
 - open/close 7633 (time 1787851498.83 total 100.08 last 71.81)
total: 8000 open/close in 105.96 seconds: 75.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
 - unlinked 0 (time 1787851694 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 774 (time 1787851819.45 total 10.01 last 77.32)
 - open/close 1584 (time 1787851829.45 total 20.01 last 81.00)
 - open/close 2378 (time 1787851839.46 total 30.02 last 79.33)
 - open/close 3162 (time 1787851849.47 total 40.03 last 78.34)
 - open/close 4028 (time 1787851859.48 total 50.04 last 86.46)
 - open/close 4796 (time 1787851869.49 total 60.05 last 76.79)
 - open/close 5577 (time 1787851879.49 total 70.05 last 78.06)
 - open/close 6432 (time 1787851889.50 total 80.06 last 85.45)
 - open/close 7284 (time 1787851899.51 total 90.07 last 85.09)
total: 8000 open/close in 98.78 seconds: 80.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787852014 ; total 0 ; last 0)
total: 8000 unlinks in 71 seconds: 112.676056 unlinks/second