== sanity test 124b: lru resize (performance test) ================================================================================= 04:26:50 (1788596810)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 553 (time 1788596825.88 total 10.01 last 55.27)
 - open/close 1256 (time 1788596835.89 total 20.02 last 70.21)
 - open/close 1994 (time 1788596845.89 total 30.02 last 73.78)
 - open/close 2740 (time 1788596855.91 total 40.03 last 74.51)
 - open/close 3539 (time 1788596865.92 total 50.04 last 79.82)
 - open/close 4278 (time 1788596875.93 total 60.05 last 73.81)
 - open/close 5040 (time 1788596885.95 total 70.07 last 76.05)
 - open/close 5820 (time 1788596895.95 total 80.07 last 77.99)
 - open/close 6616 (time 1788596905.96 total 90.08 last 79.54)
 - open/close 7433 (time 1788596915.97 total 100.09 last 81.61)
total: 8000 open/close in 107.14 seconds: 74.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1788597091 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 740 (time 1788597213.40 total 10.01 last 73.92)
 - open/close 1513 (time 1788597223.40 total 20.02 last 77.24)
 - open/close 2282 (time 1788597233.41 total 30.02 last 76.86)
 - open/close 3043 (time 1788597243.41 total 40.03 last 76.07)
 - open/close 3711 (time 1788597253.42 total 50.03 last 66.79)
 - open/close 4462 (time 1788597263.42 total 60.04 last 75.05)
 - open/close 5184 (time 1788597273.44 total 70.05 last 72.10)
 - open/close 5919 (time 1788597283.46 total 80.07 last 73.36)
 - open/close 6715 (time 1788597293.47 total 90.08 last 79.50)
 - open/close 7442 (time 1788597303.47 total 100.09 last 72.67)
total: 8000 open/close in 106.86 seconds: 74.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1788597404 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second