== sanity test 124b: lru resize (performance test) ================================================================================= 15:48:57 (1787860137)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 680 (time 1787860152.75 total 10.00 last 67.99)
 - open/close 1386 (time 1787860162.76 total 20.02 last 70.51)
 - open/close 2209 (time 1787860172.78 total 30.03 last 82.16)
 - open/close 2987 (time 1787860182.78 total 40.04 last 77.76)
 - open/close 3751 (time 1787860192.80 total 50.05 last 76.28)
 - open/close 4566 (time 1787860202.80 total 60.06 last 81.46)
 - open/close 5379 (time 1787860212.81 total 70.07 last 81.20)
 - open/close 6144 (time 1787860222.82 total 80.07 last 76.48)
 - open/close 6971 (time 1787860232.82 total 90.08 last 82.62)
 - open/close 7752 (time 1787860242.83 total 100.09 last 78.07)
total: 8000 open/close in 103.45 seconds: 77.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
 - unlinked 0 (time 1787860417 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
 - open/close 602 (time 1787860542.11 total 10.00 last 60.18)
 - open/close 1354 (time 1787860552.11 total 20.01 last 75.17)
 - open/close 2070 (time 1787860562.11 total 30.01 last 71.58)
 - open/close 2760 (time 1787860572.12 total 40.02 last 68.92)
 - open/close 3478 (time 1787860582.13 total 50.03 last 71.74)
 - open/close 4238 (time 1787860592.14 total 60.04 last 75.94)
 - open/close 4949 (time 1787860602.15 total 70.05 last 71.02)
 - open/close 5765 (time 1787860612.15 total 80.05 last 81.59)
 - open/close 6473 (time 1787860622.17 total 90.06 last 70.70)
 - open/close 7139 (time 1787860632.18 total 100.07 last 66.54)
 - open/close 7894 (time 1787860642.18 total 110.07 last 75.50)
total: 8000 open/close in 111.24 seconds: 71.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787860746 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second