== sanity test 124b: lru resize (performance test) ================================================================================= 05:23:27 (1786958607)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 733 (time 1786958622.14 total 10.00 last 73.29)
 - open/close 1572 (time 1786958632.15 total 20.01 last 83.83)
 - open/close 2426 (time 1786958642.16 total 30.03 last 85.27)
 - open/close 3134 (time 1786958652.16 total 40.03 last 70.78)
 - open/close 3728 (time 1786958662.17 total 50.03 last 59.39)
 - open/close 4358 (time 1786958672.17 total 60.03 last 62.99)
 - open/close 5047 (time 1786958682.18 total 70.04 last 68.84)
 - open/close 5819 (time 1786958692.18 total 80.04 last 77.18)
 - open/close 6592 (time 1786958702.19 total 90.06 last 77.21)
 - open/close 7400 (time 1786958712.19 total 100.06 last 80.80)
total: 8000 open/close in 108.08 seconds: 74.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
400
 - unlinked 0 (time 1786958891 ; 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 848 (time 1786959002.75 total 10.01 last 84.73)
 - open/close 1660 (time 1786959012.75 total 20.01 last 81.15)
 - open/close 2451 (time 1786959022.77 total 30.03 last 78.99)
 - open/close 3309 (time 1786959032.77 total 40.03 last 85.74)
 - open/close 4127 (time 1786959042.78 total 50.04 last 81.74)
 - open/close 4951 (time 1786959052.78 total 60.05 last 82.36)
 - open/close 5736 (time 1786959062.79 total 70.05 last 78.44)
 - open/close 6526 (time 1786959072.80 total 80.06 last 78.93)
 - open/close 7341 (time 1786959082.81 total 90.07 last 81.46)
total: 8000 open/close in 99.66 seconds: 80.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1786959202 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second