== sanity test 124b: lru resize (performance test) ================================================================================= 15:50:38 (1785959438)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 417 (time 1785959455.17 total 10.01 last 41.67)
 - open/close 841 (time 1785959465.18 total 20.01 last 42.37)
 - open/close 1392 (time 1785959475.18 total 30.02 last 55.08)
 - open/close 2086 (time 1785959485.20 total 40.03 last 69.29)
 - open/close 2651 (time 1785959495.20 total 50.04 last 56.47)
 - open/close 3101 (time 1785959505.22 total 60.05 last 44.94)
 - open/close 3513 (time 1785959515.26 total 70.10 last 41.03)
 - open/close 3870 (time 1785959525.27 total 80.10 last 35.67)
 - open/close 4246 (time 1785959535.28 total 90.11 last 37.57)
 - open/close 4690 (time 1785959545.29 total 100.12 last 44.35)
 - open/close 5258 (time 1785959555.32 total 110.15 last 56.64)
 - open/close 5711 (time 1785959565.32 total 120.16 last 45.27)
 - open/close 6161 (time 1785959575.34 total 130.18 last 44.93)
 - open/close 6671 (time 1785959585.36 total 140.20 last 50.88)
 - open/close 7016 (time 1785959595.36 total 150.20 last 34.49)
 - open/close 7663 (time 1785959605.39 total 160.22 last 64.54)
total: 8000 open/close in 168.03 seconds: 47.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 225 seconds
lru_size = 400
 - unlinked 0 (time 1785959853 ; total 0 ; last 0)
total: 8000 unlinks in 159 seconds: 50.314465 unlinks/second
 - open/close 536 (time 1785960028.66 total 10.03 last 53.43)
 - open/close 1205 (time 1785960038.70 total 20.07 last 66.68)
 - open/close 1671 (time 1785960048.70 total 30.07 last 46.57)
 - open/close 2207 (time 1785960058.70 total 40.07 last 53.60)
 - open/close 2688 (time 1785960068.71 total 50.08 last 48.06)
 - open/close 3222 (time 1785960078.72 total 60.09 last 53.34)
 - open/close 3723 (time 1785960088.73 total 70.10 last 50.06)
 - open/close 4228 (time 1785960098.75 total 80.12 last 50.42)
 - open/close 4688 (time 1785960108.76 total 90.13 last 45.94)
 - open/close 5058 (time 1785960118.76 total 100.13 last 36.99)
 - open/close 5475 (time 1785960128.77 total 110.14 last 41.69)
 - open/close 6021 (time 1785960138.77 total 120.14 last 54.57)
 - open/close 6502 (time 1785960148.81 total 130.17 last 47.94)
 - open/close 6963 (time 1785960158.81 total 140.18 last 46.08)
 - open/close 7512 (time 1785960168.83 total 150.19 last 54.81)
total: 8000 open/close in 159.25 seconds: 50.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 134 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1785960345 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second