== sanity test 124b: lru resize (performance test) ================================================================================= 23:18:50 (1786418330)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 671 (time 1786418345.00 total 10.02 last 67.00)
 - open/close 1460 (time 1786418355.01 total 20.03 last 78.79)
 - open/close 2268 (time 1786418365.01 total 30.03 last 80.77)
 - open/close 3066 (time 1786418375.03 total 40.04 last 79.71)
 - open/close 3860 (time 1786418385.03 total 50.05 last 79.40)
 - open/close 4653 (time 1786418395.04 total 60.05 last 79.23)
 - open/close 5399 (time 1786418405.05 total 70.07 last 74.51)
 - open/close 6202 (time 1786418415.06 total 80.08 last 80.20)
 - open/close 6952 (time 1786418425.09 total 90.11 last 74.78)
 - open/close 7732 (time 1786418435.09 total 100.11 last 77.99)
total: 8000 open/close in 103.92 seconds: 76.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
 - unlinked 0 (time 1786418632 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
 - open/close 803 (time 1786418760.29 total 10.01 last 80.21)
 - open/close 1651 (time 1786418770.30 total 20.03 last 84.65)
 - open/close 2332 (time 1786418780.31 total 30.04 last 68.05)
 - open/close 2937 (time 1786418790.31 total 40.04 last 60.50)
 - open/close 3741 (time 1786418800.31 total 50.04 last 80.40)
 - open/close 4560 (time 1786418810.31 total 60.04 last 81.89)
 - open/close 5303 (time 1786418820.33 total 70.05 last 74.19)
 - open/close 6040 (time 1786418830.34 total 80.07 last 73.59)
 - open/close 6756 (time 1786418840.35 total 90.07 last 71.58)
 - open/close 7511 (time 1786418850.35 total 100.08 last 75.45)
total: 8000 open/close in 106.38 seconds: 75.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 8005
ls -la is 60% faster with lru resize enabled
 - unlinked 0 (time 1786418950 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second