== sanity test 124b: lru resize (performance test) ================================================================================= 20:35:28 (1786322128)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 843 (time 1786322142.66 total 10.02 last 84.15)
 - open/close 1504 (time 1786322152.68 total 20.03 last 66.02)
 - open/close 2164 (time 1786322162.68 total 30.04 last 65.94)
 - open/close 2887 (time 1786322172.69 total 40.04 last 72.28)
 - open/close 3718 (time 1786322182.70 total 50.06 last 82.98)
 - open/close 4458 (time 1786322192.71 total 60.06 last 73.96)
 - open/close 5166 (time 1786322202.71 total 70.06 last 70.80)
 - open/close 5746 (time 1786322212.72 total 80.07 last 57.92)
 - open/close 6514 (time 1786322222.75 total 90.10 last 76.61)
 - open/close 7257 (time 1786322232.76 total 100.11 last 74.22)
 - open/close 7965 (time 1786322242.76 total 110.11 last 70.80)
total: 8000 open/close in 110.51 seconds: 72.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1786322431 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
 - open/close 753 (time 1786322544.50 total 10.03 last 75.11)
 - open/close 1670 (time 1786322554.50 total 20.03 last 91.67)
 - open/close 2547 (time 1786322564.51 total 30.04 last 87.64)
 - open/close 3316 (time 1786322574.52 total 40.05 last 76.79)
 - open/close 4102 (time 1786322584.53 total 50.06 last 78.56)
 - open/close 4639 (time 1786322594.54 total 60.07 last 53.62)
 - open/close 5366 (time 1786322604.57 total 70.09 last 72.53)
 - open/close 6012 (time 1786322614.57 total 80.10 last 64.57)
 - open/close 6723 (time 1786322624.58 total 90.10 last 71.07)
 - open/close 7533 (time 1786322634.60 total 100.13 last 80.77)
total: 8000 open/close in 105.69 seconds: 75.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1786322755 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second