== sanity test 124b: lru resize (performance test) ================================================================================= 05:24:07 (1787477047)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 557 (time 1787477062.48 total 10.00 last 55.68)
 - open/close 1173 (time 1787477072.49 total 20.01 last 61.56)
 - open/close 1824 (time 1787477082.50 total 30.02 last 65.03)
 - open/close 2538 (time 1787477092.51 total 40.04 last 71.30)
 - open/close 3446 (time 1787477102.52 total 50.04 last 90.75)
 - open/close 4323 (time 1787477112.52 total 60.05 last 87.66)
 - open/close 5179 (time 1787477122.52 total 70.05 last 85.60)
 - open/close 6066 (time 1787477132.53 total 80.06 last 88.61)
 - open/close 6897 (time 1787477142.54 total 90.06 last 83.05)
 - open/close 7852 (time 1787477152.54 total 100.06 last 95.48)
total: 8000 open/close in 101.69 seconds: 78.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
400
 - unlinked 0 (time 1787477315 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 876 (time 1787477425.97 total 10.01 last 87.55)
 - open/close 1903 (time 1787477435.97 total 20.01 last 102.69)
 - open/close 2930 (time 1787477445.98 total 30.01 last 102.66)
 - open/close 3810 (time 1787477455.99 total 40.03 last 87.87)
 - open/close 4725 (time 1787477465.99 total 50.03 last 91.48)
 - open/close 5730 (time 1787477476.00 total 60.03 last 100.46)
 - open/close 6665 (time 1787477486.01 total 70.04 last 93.42)
 - open/close 7357 (time 1787477496.02 total 80.06 last 69.09)
total: 8000 open/close in 87.92 seconds: 90.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 4006
4001
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1787477633 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second