== sanity test 124b: lru resize (performance test) ================================================================================= 03:01:40 (1783148500)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 796 (time 1783148514.95 total 10.00 last 79.58)
 - open/close 1606 (time 1783148524.95 total 20.01 last 80.96)
 - open/close 2424 (time 1783148534.98 total 30.03 last 81.59)
 - open/close 3151 (time 1783148544.99 total 40.04 last 72.65)
 - open/close 3754 (time 1783148554.99 total 50.04 last 60.28)
 - open/close 4487 (time 1783148565.00 total 60.05 last 73.23)
 - open/close 5336 (time 1783148575.01 total 70.06 last 84.83)
 - open/close 6139 (time 1783148585.02 total 80.07 last 80.24)
 - open/close 6901 (time 1783148595.02 total 90.07 last 76.19)
 - open/close 7690 (time 1783148605.02 total 100.08 last 78.85)
total: 8000 open/close in 104.37 seconds: 76.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
400
 - unlinked 0 (time 1783148785 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1398 (time 1783148864.25 total 10.00 last 139.76)
 - open/close 2991 (time 1783148874.26 total 20.01 last 159.23)
 - open/close 4646 (time 1783148884.26 total 30.01 last 165.44)
 - open/close 6194 (time 1783148894.26 total 40.01 last 154.76)
total: 8000 open/close in 49.36 seconds: 162.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 4052
3955
ls -la is 73% faster with lru resize enabled
 - unlinked 0 (time 1783148955 ; total 0 ; last 0)
total: 8000 unlinks in 10 seconds: 800.000000 unlinks/second