== sanity test 124b: lru resize (performance test) ================================================================================= 17:43:14 (1789076594)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 481 (time 1789076611.49 total 10.01 last 48.07)
 - open/close 975 (time 1789076621.50 total 20.02 last 49.33)
 - open/close 1427 (time 1789076631.51 total 30.02 last 45.18)
 - open/close 1849 (time 1789076641.54 total 40.05 last 42.08)
 - open/close 2240 (time 1789076651.58 total 50.09 last 38.95)
 - open/close 2734 (time 1789076661.59 total 60.10 last 49.34)
 - open/close 3308 (time 1789076671.61 total 70.13 last 57.27)
 - open/close 3870 (time 1789076681.61 total 80.13 last 56.20)
 - open/close 4342 (time 1789076691.62 total 90.13 last 47.17)
 - open/close 4778 (time 1789076701.64 total 100.16 last 43.50)
 - open/close 5123 (time 1789076711.66 total 110.18 last 34.42)
 - open/close 5582 (time 1789076721.67 total 120.18 last 45.88)
 - open/close 6161 (time 1789076731.67 total 130.19 last 57.87)
 - open/close 6682 (time 1789076741.68 total 140.20 last 52.06)
 - open/close 7217 (time 1789076751.69 total 150.20 last 53.48)
 - open/close 7749 (time 1789076761.71 total 160.23 last 53.07)
total: 8000 open/close in 165.17 seconds: 48.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 201 seconds
lru_size = 400
 - unlinked 0 (time 1789076980 ; total 0 ; last 0)
total: 8000 unlinks in 164 seconds: 48.780487 unlinks/second
 - open/close 640 (time 1789077160.49 total 10.01 last 63.94)
 - open/close 1278 (time 1789077170.52 total 20.05 last 63.57)
 - open/close 1880 (time 1789077180.52 total 30.05 last 60.20)
 - open/close 2495 (time 1789077190.53 total 40.05 last 61.46)
 - open/close 3125 (time 1789077200.53 total 50.05 last 62.99)
 - open/close 3752 (time 1789077210.54 total 60.06 last 62.64)
 - open/close 4387 (time 1789077220.55 total 70.07 last 63.46)
 - open/close 5052 (time 1789077230.56 total 80.08 last 66.42)
 - open/close 5657 (time 1789077240.56 total 90.09 last 60.47)
 - open/close 6237 (time 1789077250.57 total 100.10 last 57.94)
 - open/close 6668 (time 1789077260.59 total 110.11 last 43.03)
 - open/close 7300 (time 1789077270.59 total 120.11 last 63.20)
 - open/close 7850 (time 1789077280.59 total 130.11 last 54.99)
total: 8000 open/close in 133.14 seconds: 60.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1789077423 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second