== sanity test 124b: lru resize (performance test) ================================================================================= 16:25:50 (1777580750)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 573 (time 1777580765.25 total 10.01 last 57.22)
 - open/close 1079 (time 1777580775.28 total 20.04 last 50.48)
 - open/close 1600 (time 1777580785.31 total 30.07 last 51.92)
 - open/close 2295 (time 1777580795.31 total 40.07 last 69.49)
 - open/close 2895 (time 1777580805.32 total 50.08 last 59.97)
 - open/close 3416 (time 1777580815.32 total 60.08 last 52.09)
 - open/close 4089 (time 1777580825.35 total 70.11 last 67.08)
 - open/close 4719 (time 1777580835.35 total 80.11 last 62.99)
 - open/close 5326 (time 1777580845.38 total 90.14 last 60.54)
 - open/close 5975 (time 1777580855.38 total 100.14 last 64.90)
 - open/close 6789 (time 1777580865.38 total 110.14 last 81.39)
 - open/close 7609 (time 1777580875.38 total 120.14 last 81.97)
total: 8000 open/close in 125.16 seconds: 63.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1777581050 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 678 (time 1777581184.61 total 10.01 last 67.73)
 - open/close 1473 (time 1777581194.61 total 20.01 last 79.47)
 - open/close 2227 (time 1777581204.62 total 30.02 last 75.33)
 - open/close 2880 (time 1777581214.62 total 40.03 last 65.29)
 - open/close 3551 (time 1777581224.63 total 50.03 last 67.08)
 - open/close 4358 (time 1777581234.68 total 60.08 last 80.29)
 - open/close 4997 (time 1777581244.68 total 70.09 last 63.85)
 - open/close 5781 (time 1777581254.69 total 80.10 last 78.34)
 - open/close 6512 (time 1777581264.70 total 90.11 last 73.02)
 - open/close 7284 (time 1777581274.71 total 100.11 last 77.16)
total: 8000 open/close in 109.09 seconds: 73.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1777581405 ; total 1 ; last 1)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second