== sanity test 124b: lru resize (performance test) ================================================================================= 20:22:25 (1785975745)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 801 (time 1785975759.97 total 10.01 last 80.02)
 - open/close 1561 (time 1785975769.98 total 20.02 last 75.93)
 - open/close 2282 (time 1785975780.00 total 30.04 last 71.97)
 - open/close 2974 (time 1785975790.01 total 40.06 last 69.08)
 - open/close 3744 (time 1785975800.02 total 50.07 last 76.93)
 - open/close 4366 (time 1785975810.02 total 60.07 last 62.20)
 - open/close 5018 (time 1785975820.03 total 70.07 last 65.17)
 - open/close 5718 (time 1785975830.03 total 80.07 last 70.00)
 - open/close 6323 (time 1785975840.07 total 90.11 last 60.27)
 - open/close 7077 (time 1785975850.07 total 100.12 last 75.35)
 - open/close 7743 (time 1785975860.08 total 110.12 last 66.56)
total: 8000 open/close in 113.92 seconds: 70.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 187 seconds
lru_size = 400
 - unlinked 0 (time 1785976064 ; total 1 ; last 1)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 622 (time 1785976191.65 total 10.01 last 62.15)
 - open/close 1294 (time 1785976201.66 total 20.02 last 67.15)
 - open/close 2181 (time 1785976211.67 total 30.03 last 88.57)
 - open/close 3041 (time 1785976221.68 total 40.04 last 85.95)
 - open/close 3768 (time 1785976231.68 total 50.04 last 72.70)
 - open/close 4634 (time 1785976241.69 total 60.05 last 86.51)
 - open/close 5353 (time 1785976251.71 total 70.07 last 71.76)
 - open/close 6132 (time 1785976261.76 total 80.12 last 77.48)
 - open/close 6724 (time 1785976271.76 total 90.12 last 59.19)
 - open/close 7448 (time 1785976281.78 total 100.14 last 72.29)
total: 8000 open/close in 107.30 seconds: 74.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1785976402 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second