== sanity test 124b: lru resize (performance test) ================================================================================= 18:31:55 (1788474715)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 694 (time 1788474729.85 total 10.01 last 69.36)
 - open/close 1355 (time 1788474739.86 total 20.01 last 66.05)
 - open/close 2043 (time 1788474749.86 total 30.02 last 68.77)
 - open/close 2721 (time 1788474759.89 total 40.05 last 67.59)
 - open/close 3433 (time 1788474769.90 total 50.06 last 71.14)
 - open/close 4121 (time 1788474779.91 total 60.07 last 68.74)
 - open/close 4783 (time 1788474789.92 total 70.08 last 66.12)
 - open/close 5394 (time 1788474799.94 total 80.10 last 60.99)
 - open/close 6039 (time 1788474809.95 total 90.10 last 64.45)
 - open/close 6753 (time 1788474819.96 total 100.11 last 71.34)
 - open/close 7459 (time 1788474829.96 total 110.12 last 70.57)
total: 8000 open/close in 117.54 seconds: 68.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1788475010 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 705 (time 1788475152.76 total 10.01 last 70.41)
 - open/close 1434 (time 1788475162.77 total 20.03 last 72.80)
 - open/close 2115 (time 1788475172.78 total 30.03 last 68.10)
 - open/close 2739 (time 1788475182.78 total 40.03 last 62.36)
 - open/close 3286 (time 1788475192.80 total 50.05 last 54.63)
 - open/close 3892 (time 1788475202.80 total 60.05 last 60.56)
 - open/close 4581 (time 1788475212.81 total 70.06 last 68.84)
 - open/close 5271 (time 1788475222.81 total 80.07 last 68.97)
 - open/close 5974 (time 1788475232.81 total 90.07 last 70.29)
 - open/close 6697 (time 1788475242.82 total 100.07 last 72.25)
 - open/close 7446 (time 1788475252.83 total 110.08 last 74.82)
total: 8000 open/close in 118.47 seconds: 67.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788475384 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second