== sanity test 124b: lru resize (performance test) ================================================================================= 22:27:15 (1780972035)
ldlm.namespaces.lustre-MDT0000-mdc-ffff929843763000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff929843763000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 736 (time 1780972050.32 total 10.00 last 73.58)
 - open/close 1486 (time 1780972060.33 total 20.01 last 74.91)
 - open/close 2227 (time 1780972070.34 total 30.02 last 74.06)
 - open/close 3027 (time 1780972080.34 total 40.02 last 80.00)
 - open/close 3722 (time 1780972090.35 total 50.03 last 69.41)
 - open/close 4395 (time 1780972100.35 total 60.04 last 67.29)
 - open/close 5055 (time 1780972110.36 total 70.04 last 65.96)
 - open/close 5658 (time 1780972120.37 total 80.05 last 60.22)
 - open/close 6340 (time 1780972130.39 total 90.08 last 68.04)
 - open/close 7128 (time 1780972140.40 total 100.08 last 78.75)
 - open/close 7883 (time 1780972150.41 total 110.09 last 75.43)
total: 8000 open/close in 111.78 seconds: 71.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 400
400
 - unlinked 0 (time 1780972255 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff929843763000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff929843763000.lru_size=0
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 698 (time 1780972376.85 total 10.02 last 69.65)
 - open/close 1393 (time 1780972386.86 total 20.03 last 69.46)
 - open/close 2113 (time 1780972396.86 total 30.03 last 71.98)
 - open/close 2906 (time 1780972406.88 total 40.05 last 79.14)
 - open/close 3732 (time 1780972416.89 total 50.06 last 82.54)
 - open/close 4510 (time 1780972426.89 total 60.06 last 77.78)
 - open/close 5237 (time 1780972436.89 total 70.06 last 72.67)
 - open/close 5980 (time 1780972446.91 total 80.08 last 74.19)
 - open/close 6736 (time 1780972456.92 total 90.09 last 75.53)
 - open/close 7450 (time 1780972466.93 total 100.10 last 71.33)
total: 8000 open/close in 106.95 seconds: 74.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 52 seconds
lru_size = 4006
4001
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1780972540 ; total 1 ; last 1)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second