== sanity test 124b: lru resize (performance test) ================================================================================= 19:38:47 (1787873927)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 772 (time 1787873942.67 total 10.01 last 77.11)
 - open/close 1557 (time 1787873952.67 total 20.02 last 78.46)
 - open/close 2307 (time 1787873962.68 total 30.03 last 74.92)
 - open/close 3036 (time 1787873972.68 total 40.03 last 72.90)
 - open/close 3758 (time 1787873982.69 total 50.03 last 72.14)
 - open/close 4481 (time 1787873992.69 total 60.04 last 72.28)
 - open/close 5157 (time 1787874002.71 total 70.05 last 67.50)
 - open/close 5868 (time 1787874012.71 total 80.05 last 71.08)
 - open/close 6495 (time 1787874022.71 total 90.06 last 62.69)
 - open/close 7119 (time 1787874032.71 total 100.06 last 62.39)
 - open/close 7773 (time 1787874042.73 total 110.08 last 65.28)
total: 8000 open/close in 113.18 seconds: 70.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 145 seconds
lru_size = 400
 - unlinked 0 (time 1787874199 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
 - open/close 728 (time 1787874318.41 total 10.00 last 72.80)
 - open/close 1453 (time 1787874328.41 total 20.00 last 72.48)
 - open/close 2147 (time 1787874338.41 total 30.01 last 69.38)
 - open/close 2846 (time 1787874348.42 total 40.01 last 69.85)
 - open/close 3570 (time 1787874358.43 total 50.03 last 72.29)
 - open/close 4341 (time 1787874368.44 total 60.04 last 77.05)
 - open/close 5126 (time 1787874378.44 total 70.04 last 78.50)
 - open/close 5882 (time 1787874388.45 total 80.04 last 75.55)
 - open/close 6534 (time 1787874398.48 total 90.08 last 64.96)
 - open/close 7239 (time 1787874408.49 total 100.08 last 70.47)
 - open/close 7946 (time 1787874418.50 total 110.09 last 70.65)
total: 8000 open/close in 110.76 seconds: 72.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787874514 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second