== sanity test 124b: lru resize (performance test) ================================================================================= 16:46:54 (1780001214)
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 1018 (time 1780001229.67 total 10.00 last 101.79)
 - open/close 1906 (time 1780001239.68 total 20.00 last 88.76)
 - open/close 2970 (time 1780001249.68 total 30.01 last 106.33)
 - open/close 3926 (time 1780001259.68 total 40.01 last 95.60)
 - open/close 4796 (time 1780001269.70 total 50.03 last 86.83)
 - open/close 5674 (time 1780001279.71 total 60.04 last 87.75)
 - open/close 6721 (time 1780001289.71 total 70.04 last 104.68)
 - open/close 7753 (time 1780001299.71 total 80.04 last 103.19)
total: 8000 open/close in 82.56 seconds: 96.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
400
 - unlinked 0 (time 1780001496 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 687 (time 1780001612.00 total 10.02 last 68.56)
 - open/close 1497 (time 1780001622.02 total 20.04 last 80.86)
 - open/close 2514 (time 1780001632.03 total 30.05 last 101.60)
 - open/close 3143 (time 1780001642.04 total 40.06 last 62.82)
 - open/close 4007 (time 1780001652.05 total 50.07 last 86.32)
 - open/close 4796 (time 1780001662.06 total 60.08 last 78.78)
 - open/close 5449 (time 1780001672.07 total 70.09 last 65.24)
 - open/close 6282 (time 1780001682.09 total 80.11 last 83.18)
 - open/close 7025 (time 1780001692.12 total 90.14 last 74.07)
 - open/close 7617 (time 1780001702.14 total 100.16 last 59.08)
total: 8000 open/close in 106.45 seconds: 75.16 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 42% faster with lru resize enabled
 - unlinked 0 (time 1780001837 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second