== sanity test 124b: lru resize (performance test) ================================================================================= 05:48:47 (1789465727)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 817 (time 1789465742.66 total 10.01 last 81.60)
 - open/close 1592 (time 1789465752.67 total 20.03 last 77.39)
 - open/close 2363 (time 1789465762.70 total 30.05 last 76.89)
 - open/close 3142 (time 1789465772.70 total 40.06 last 77.88)
 - open/close 3959 (time 1789465782.71 total 50.06 last 81.65)
 - open/close 4745 (time 1789465792.72 total 60.08 last 78.51)
 - open/close 5479 (time 1789465802.73 total 70.08 last 73.36)
 - open/close 6225 (time 1789465812.73 total 80.09 last 74.54)
 - open/close 7020 (time 1789465822.75 total 90.11 last 79.38)
 - open/close 7919 (time 1789465832.75 total 100.11 last 89.85)
total: 8000 open/close in 101.21 seconds: 79.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1789466008 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 841 (time 1789466118.18 total 10.01 last 83.98)
 - open/close 1702 (time 1789466128.18 total 20.02 last 86.02)
 - open/close 2490 (time 1789466138.19 total 30.03 last 78.76)
 - open/close 3295 (time 1789466148.20 total 40.03 last 80.44)
 - open/close 4075 (time 1789466158.21 total 50.04 last 77.92)
 - open/close 4846 (time 1789466168.22 total 60.06 last 77.00)
 - open/close 5658 (time 1789466178.22 total 70.06 last 81.18)
 - open/close 6517 (time 1789466188.23 total 80.07 last 85.85)
 - open/close 7281 (time 1789466198.24 total 90.08 last 76.28)
total: 8000 open/close in 98.38 seconds: 81.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 8005
ls -la is 60% faster with lru resize enabled
 - unlinked 0 (time 1789466290 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second