== sanity test 124b: lru resize (performance test) ================================================================================= 02:57:31 (1786085851)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 697 (time 1786085865.92 total 10.01 last 69.62)
 - open/close 1350 (time 1786085875.93 total 20.02 last 65.24)
 - open/close 2052 (time 1786085885.93 total 30.02 last 70.19)
 - open/close 2682 (time 1786085895.94 total 40.03 last 62.96)
 - open/close 3162 (time 1786085905.94 total 50.03 last 47.98)
 - open/close 3929 (time 1786085915.94 total 60.03 last 76.70)
 - open/close 4595 (time 1786085925.95 total 70.03 last 66.58)
 - open/close 5250 (time 1786085935.95 total 80.04 last 65.46)
 - open/close 5808 (time 1786085945.95 total 90.04 last 55.79)
 - open/close 6414 (time 1786085955.96 total 100.04 last 60.59)
 - open/close 7070 (time 1786085965.96 total 110.05 last 65.55)
 - open/close 7884 (time 1786085975.97 total 120.05 last 81.38)
total: 8000 open/close in 121.56 seconds: 65.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 183 seconds
lru_size = 400
 - unlinked 0 (time 1786086171 ; total 0 ; last 0)
total: 8000 unlinks in 128 seconds: 62.500000 unlinks/second
 - open/close 750 (time 1786086314.26 total 10.03 last 74.75)
 - open/close 1411 (time 1786086324.27 total 20.04 last 66.02)
 - open/close 2065 (time 1786086334.28 total 30.05 last 65.35)
 - open/close 2862 (time 1786086344.29 total 40.06 last 79.65)
 - open/close 3399 (time 1786086354.32 total 50.09 last 53.53)
 - open/close 3895 (time 1786086364.39 total 60.16 last 49.25)
 - open/close 4543 (time 1786086374.41 total 70.18 last 64.69)
 - open/close 5121 (time 1786086384.42 total 80.19 last 57.74)
 - open/close 5820 (time 1786086394.42 total 90.19 last 69.89)
 - open/close 6578 (time 1786086404.43 total 100.20 last 75.74)
 - open/close 7399 (time 1786086414.43 total 110.20 last 82.08)
total: 8000 open/close in 118.46 seconds: 67.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1786086541 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second