== sanity test 124b: lru resize (performance test) ================================================================================= 13:06:28 (1781283988)
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 947 (time 1781284002.29 total 10.00 last 94.67)
 - open/close 1806 (time 1781284012.29 total 20.01 last 85.85)
 - open/close 2572 (time 1781284022.30 total 30.02 last 76.50)
 - open/close 3473 (time 1781284032.31 total 40.03 last 90.06)
 - open/close 4375 (time 1781284042.31 total 50.03 last 90.20)
 - open/close 5296 (time 1781284052.32 total 60.04 last 91.98)
 - open/close 6263 (time 1781284062.33 total 70.04 last 96.67)
 - open/close 7163 (time 1781284072.34 total 80.05 last 89.90)
 - open/close 7986 (time 1781284082.34 total 90.06 last 82.25)
total: 8000 open/close in 90.35 seconds: 88.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
400
 - unlinked 0 (time 1781284268 ; total 0 ; last 0)
total: 8000 unlinks in 91 seconds: 87.912086 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 950 (time 1781284373.96 total 10.00 last 94.98)
 - open/close 1863 (time 1781284383.96 total 20.01 last 91.22)
 - open/close 2804 (time 1781284393.97 total 30.02 last 93.99)
 - open/close 3634 (time 1781284403.98 total 40.03 last 82.95)
 - open/close 4593 (time 1781284413.98 total 50.03 last 95.87)
 - open/close 5557 (time 1781284423.98 total 60.03 last 96.39)
 - open/close 6436 (time 1781284433.99 total 70.04 last 87.85)
 - open/close 7337 (time 1781284444.01 total 80.06 last 89.93)
total: 8000 open/close in 86.86 seconds: 92.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 4006
4001
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1781284553 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second