== sanity test 124b: lru resize (performance test) ================================================================================= 11:58:41 (1783958321)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 750 (time 1783958336.04 total 10.01 last 74.96)
 - open/close 1448 (time 1783958346.05 total 20.02 last 69.70)
 - open/close 2159 (time 1783958356.07 total 30.03 last 71.02)
 - open/close 2858 (time 1783958366.08 total 40.04 last 69.82)
 - open/close 3551 (time 1783958376.09 total 50.06 last 69.22)
 - open/close 4208 (time 1783958386.10 total 60.06 last 65.67)
 - open/close 4914 (time 1783958396.10 total 70.07 last 70.54)
 - open/close 5538 (time 1783958406.12 total 80.08 last 62.31)
 - open/close 6135 (time 1783958416.14 total 90.10 last 59.59)
 - open/close 6711 (time 1783958426.15 total 100.12 last 57.53)
 - open/close 7349 (time 1783958436.15 total 110.12 last 63.78)
total: 8000 open/close in 120.07 seconds: 66.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 196 seconds
lru_size = 400
 - unlinked 0 (time 1783958653 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 686 (time 1783958789.47 total 10.00 last 68.60)
 - open/close 1380 (time 1783958799.48 total 20.01 last 69.34)
 - open/close 2074 (time 1783958809.49 total 30.02 last 69.30)
 - open/close 2800 (time 1783958819.49 total 40.03 last 72.59)
 - open/close 3508 (time 1783958829.51 total 50.04 last 70.71)
 - open/close 4217 (time 1783958839.52 total 60.05 last 70.85)
 - open/close 4927 (time 1783958849.52 total 70.05 last 71.00)
 - open/close 5674 (time 1783958859.52 total 80.05 last 74.65)
 - open/close 6436 (time 1783958869.53 total 90.06 last 76.15)
 - open/close 7149 (time 1783958879.53 total 100.06 last 71.29)
 - open/close 7919 (time 1783958889.53 total 110.06 last 77.00)
total: 8000 open/close in 111.18 seconds: 71.95 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 50% faster with lru resize enabled
 - unlinked 0 (time 1783959011 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second