== sanity test 124b: lru resize (performance test) ================================================================================= 13:41:46 (1786642906)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 669 (time 1786642921.41 total 10.02 last 66.79)
 - open/close 1240 (time 1786642931.41 total 20.02 last 57.07)
 - open/close 1931 (time 1786642941.41 total 30.02 last 69.09)
 - open/close 2687 (time 1786642951.42 total 40.03 last 75.54)
 - open/close 3126 (time 1786642961.42 total 50.03 last 43.89)
 - open/close 3506 (time 1786642971.43 total 60.04 last 37.98)
 - open/close 4003 (time 1786642981.47 total 70.07 last 49.52)
 - open/close 4567 (time 1786642991.47 total 80.08 last 56.38)
 - open/close 5108 (time 1786643001.47 total 90.08 last 54.08)
 - open/close 5659 (time 1786643011.48 total 100.09 last 55.07)
 - open/close 6213 (time 1786643021.49 total 110.10 last 55.35)
 - open/close 6731 (time 1786643031.51 total 120.12 last 51.67)
 - open/close 7169 (time 1786643041.52 total 130.13 last 43.75)
 - open/close 7793 (time 1786643051.52 total 140.13 last 62.39)
total: 8000 open/close in 142.88 seconds: 55.99 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 207 seconds
lru_size = 400
 - unlinked 0 (time 1786643272 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 776 (time 1786643398.67 total 10.01 last 77.53)
 - open/close 1542 (time 1786643408.68 total 20.01 last 76.56)
 - open/close 2225 (time 1786643418.69 total 30.03 last 68.22)
 - open/close 2889 (time 1786643428.70 total 40.03 last 66.34)
 - open/close 3514 (time 1786643438.71 total 50.05 last 62.42)
 - open/close 4295 (time 1786643448.74 total 60.08 last 77.87)
 - open/close 4989 (time 1786643458.74 total 70.08 last 69.39)
 - open/close 5756 (time 1786643468.75 total 80.09 last 76.61)
 - open/close 6493 (time 1786643478.77 total 90.10 last 73.59)
 - open/close 7263 (time 1786643488.77 total 100.11 last 76.97)
 - open/close 7921 (time 1786643498.79 total 110.12 last 65.70)
total: 8000 open/close in 111.26 seconds: 71.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1786643621 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second