== sanity test 124b: lru resize (performance test) ================================================================================= 21:26:17 (1787880377)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 657 (time 1787880392.45 total 10.01 last 65.64)
 - open/close 1386 (time 1787880402.46 total 20.02 last 72.84)
 - open/close 2070 (time 1787880412.47 total 30.03 last 68.33)
 - open/close 2830 (time 1787880422.47 total 40.03 last 75.95)
 - open/close 3530 (time 1787880432.48 total 50.04 last 69.93)
 - open/close 4364 (time 1787880442.49 total 60.05 last 83.34)
 - open/close 5081 (time 1787880452.50 total 70.06 last 71.64)
 - open/close 5877 (time 1787880462.50 total 80.06 last 79.57)
 - open/close 6720 (time 1787880472.51 total 90.07 last 84.24)
 - open/close 7618 (time 1787880482.52 total 100.08 last 89.75)
total: 8000 open/close in 104.41 seconds: 76.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 192 seconds
lru_size = 400
 - unlinked 0 (time 1787880690 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 968 (time 1787880811.27 total 10.01 last 96.70)
 - open/close 1727 (time 1787880821.27 total 20.01 last 75.87)
 - open/close 2459 (time 1787880831.28 total 30.02 last 73.16)
 - open/close 3231 (time 1787880841.28 total 40.02 last 77.16)
 - open/close 4142 (time 1787880851.29 total 50.03 last 91.04)
 - open/close 4936 (time 1787880861.29 total 60.03 last 79.39)
 - open/close 5720 (time 1787880871.30 total 70.04 last 78.35)
 - open/close 6536 (time 1787880881.31 total 80.05 last 81.48)
 - open/close 7314 (time 1787880891.32 total 90.06 last 77.76)
total: 8000 open/close in 98.52 seconds: 81.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1787881037 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second