== sanity test 124b: lru resize (performance test) ================================================================================= 02:28:17 (1788676097)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 732 (time 1788676112.38 total 10.01 last 73.16)
 - open/close 1366 (time 1788676122.39 total 20.01 last 63.35)
 - open/close 2082 (time 1788676132.40 total 30.02 last 71.54)
 - open/close 2792 (time 1788676142.42 total 40.04 last 70.85)
 - open/close 3476 (time 1788676152.43 total 50.06 last 68.31)
 - open/close 3971 (time 1788676162.44 total 60.06 last 49.48)
 - open/close 4576 (time 1788676172.45 total 70.07 last 60.45)
 - open/close 5143 (time 1788676182.45 total 80.07 last 56.70)
 - open/close 5695 (time 1788676192.47 total 90.09 last 55.09)
 - open/close 6349 (time 1788676202.48 total 100.11 last 65.29)
 - open/close 6975 (time 1788676212.49 total 110.11 last 62.55)
 - open/close 7703 (time 1788676222.49 total 120.12 last 72.77)
total: 8000 open/close in 123.60 seconds: 64.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
400
 - unlinked 0 (time 1788676400 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 718 (time 1788676520.50 total 10.00 last 71.79)
 - open/close 1459 (time 1788676530.51 total 20.01 last 74.04)
 - open/close 2150 (time 1788676540.52 total 30.02 last 69.06)
 - open/close 2921 (time 1788676550.53 total 40.03 last 77.03)
 - open/close 3669 (time 1788676560.53 total 50.03 last 74.74)
 - open/close 4500 (time 1788676570.54 total 60.04 last 83.09)
 - open/close 5277 (time 1788676580.54 total 70.04 last 77.66)
 - open/close 6071 (time 1788676590.55 total 80.05 last 79.34)
 - open/close 6789 (time 1788676600.55 total 90.05 last 71.77)
 - open/close 7609 (time 1788676610.56 total 100.06 last 81.93)
total: 8000 open/close in 104.89 seconds: 76.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 4052
3955
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788676727 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second