== sanity test 124b: lru resize (performance test) ================================================================================= 14:53:16 (1786042396)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 489 (time 1786042412.64 total 10.01 last 48.85)
 - open/close 1075 (time 1786042422.67 total 20.04 last 58.45)
 - open/close 1600 (time 1786042432.69 total 30.06 last 52.39)
 - open/close 2105 (time 1786042442.70 total 40.07 last 50.46)
 - open/close 2583 (time 1786042452.70 total 50.07 last 47.79)
 - open/close 3018 (time 1786042462.71 total 60.07 last 43.48)
 - open/close 3361 (time 1786042472.71 total 70.08 last 34.29)
 - open/close 3659 (time 1786042482.80 total 80.16 last 29.54)
 - open/close 4072 (time 1786042492.80 total 90.17 last 41.28)
 - open/close 4710 (time 1786042502.83 total 100.20 last 63.61)
 - open/close 5245 (time 1786042512.84 total 110.21 last 53.43)
 - open/close 5926 (time 1786042522.85 total 120.22 last 68.05)
 - open/close 6469 (time 1786042532.86 total 130.23 last 54.25)
 - open/close 7124 (time 1786042542.89 total 140.25 last 65.35)
 - open/close 7526 (time 1786042552.89 total 150.26 last 40.18)
total: 8000 open/close in 157.70 seconds: 50.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 227 seconds
lru_size = 400
 - unlinked 0 (time 1786042798 ; total 0 ; last 0)
total: 8000 unlinks in 165 seconds: 48.484848 unlinks/second
 - open/close 644 (time 1786042982.28 total 10.01 last 64.34)
 - open/close 1144 (time 1786042992.29 total 20.02 last 49.96)
 - open/close 1570 (time 1786043002.30 total 30.02 last 42.58)
 - open/close 2184 (time 1786043012.32 total 40.04 last 61.26)
 - open/close 2586 (time 1786043022.33 total 50.06 last 40.15)
 - open/close 3100 (time 1786043032.34 total 60.06 last 51.37)
 - open/close 3678 (time 1786043042.35 total 70.07 last 57.75)
 - open/close 4171 (time 1786043052.36 total 80.09 last 49.22)
 - open/close 4607 (time 1786043062.41 total 90.13 last 43.42)
 - open/close 5164 (time 1786043072.41 total 100.13 last 55.70)
 - open/close 5720 (time 1786043082.41 total 110.14 last 55.57)
 - open/close 6280 (time 1786043092.43 total 120.15 last 55.92)
 - open/close 6743 (time 1786043102.44 total 130.16 last 46.25)
 - open/close 7274 (time 1786043112.47 total 140.20 last 52.91)
 - open/close 7774 (time 1786043122.48 total 150.21 last 49.94)
total: 8000 open/close in 152.93 seconds: 52.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 128 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1786043283 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second