== sanity test 124b: lru resize (performance test) ================================================================================= 00:26:08 (1788755168)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 712 (time 1788755183.86 total 10.01 last 71.16)
 - open/close 1534 (time 1788755193.87 total 20.01 last 82.15)
 - open/close 2311 (time 1788755203.88 total 30.02 last 77.65)
 - open/close 3107 (time 1788755213.88 total 40.02 last 79.58)
 - open/close 3924 (time 1788755223.90 total 50.04 last 81.56)
 - open/close 4787 (time 1788755233.90 total 60.04 last 86.27)
 - open/close 5582 (time 1788755243.90 total 70.05 last 79.46)
 - open/close 6302 (time 1788755253.91 total 80.05 last 71.96)
 - open/close 7039 (time 1788755263.93 total 90.07 last 73.57)
 - open/close 7707 (time 1788755273.93 total 100.08 last 66.76)
total: 8000 open/close in 105.52 seconds: 75.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1788755476 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
 - open/close 510 (time 1788755608.89 total 10.03 last 50.83)
 - open/close 1012 (time 1788755618.89 total 20.04 last 50.16)
 - open/close 1727 (time 1788755628.90 total 30.04 last 71.49)
 - open/close 2457 (time 1788755638.90 total 40.05 last 72.95)
 - open/close 3207 (time 1788755648.91 total 50.06 last 74.94)
 - open/close 3994 (time 1788755658.91 total 60.06 last 78.69)
 - open/close 4740 (time 1788755668.91 total 70.06 last 74.58)
 - open/close 5473 (time 1788755678.93 total 80.07 last 73.22)
 - open/close 6201 (time 1788755688.93 total 90.07 last 72.80)
 - open/close 6775 (time 1788755698.94 total 100.08 last 57.34)
 - open/close 7598 (time 1788755708.94 total 110.09 last 82.27)
total: 8000 open/close in 115.01 seconds: 69.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788755831 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second