== sanity test 124b: lru resize (performance test) ================================================================================= 20:56:29 (1787792189)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1133 (time 1787792204.24 total 10.00 last 113.30)
 - open/close 1993 (time 1787792214.24 total 20.00 last 85.98)
 - open/close 3185 (time 1787792224.24 total 30.01 last 119.14)
 - open/close 4057 (time 1787792234.25 total 40.01 last 87.17)
 - open/close 4951 (time 1787792244.25 total 50.01 last 89.37)
 - open/close 5922 (time 1787792254.26 total 60.02 last 97.00)
 - open/close 6902 (time 1787792264.27 total 70.03 last 97.94)
 - open/close 7746 (time 1787792274.29 total 80.05 last 84.24)
total: 8000 open/close in 83.24 seconds: 96.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 400
400
 - unlinked 0 (time 1787792377 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 839 (time 1787792490.25 total 10.01 last 83.85)
 - open/close 1643 (time 1787792500.27 total 20.03 last 80.23)
 - open/close 2440 (time 1787792510.28 total 30.03 last 79.65)
 - open/close 3281 (time 1787792520.29 total 40.05 last 84.00)
 - open/close 4115 (time 1787792530.29 total 50.05 last 83.39)
 - open/close 4929 (time 1787792540.30 total 60.06 last 81.31)
 - open/close 5673 (time 1787792550.31 total 70.07 last 74.29)
 - open/close 6468 (time 1787792560.32 total 80.07 last 79.49)
 - open/close 7368 (time 1787792570.33 total 90.08 last 89.91)
total: 8000 open/close in 97.39 seconds: 82.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 4006
4001
ls -la is 15% faster with lru resize enabled
 - unlinked 0 (time 1787792675 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second