== sanity test 124b: lru resize (performance test) ================================================================================= 02:02:14 (1781244134)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 811 (time 1781244148.66 total 10.00 last 81.06)
 - open/close 1451 (time 1781244158.67 total 20.01 last 63.96)
 - open/close 2247 (time 1781244168.67 total 30.01 last 79.59)
 - open/close 3016 (time 1781244178.68 total 40.02 last 76.86)
 - open/close 3836 (time 1781244188.69 total 50.03 last 81.92)
 - open/close 4674 (time 1781244198.70 total 60.04 last 83.71)
 - open/close 5478 (time 1781244208.70 total 70.05 last 80.34)
 - open/close 6262 (time 1781244218.71 total 80.05 last 78.38)
 - open/close 7103 (time 1781244228.71 total 90.05 last 84.09)
 - open/close 7817 (time 1781244238.72 total 100.06 last 71.33)
total: 8000 open/close in 102.07 seconds: 78.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
400
 - unlinked 0 (time 1781244427 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 815 (time 1781244548.03 total 10.00 last 81.48)
 - open/close 1502 (time 1781244558.03 total 20.01 last 68.68)
 - open/close 2298 (time 1781244568.07 total 30.04 last 79.29)
 - open/close 2944 (time 1781244578.08 total 40.05 last 64.57)
 - open/close 3855 (time 1781244588.08 total 50.05 last 91.07)
 - open/close 4573 (time 1781244598.09 total 60.06 last 71.78)
 - open/close 5316 (time 1781244608.09 total 70.06 last 74.29)
 - open/close 6199 (time 1781244618.09 total 80.06 last 88.28)
 - open/close 7079 (time 1781244628.09 total 90.06 last 87.94)
 - open/close 7988 (time 1781244638.10 total 100.07 last 90.86)
total: 8000 open/close in 100.16 seconds: 79.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 4052
3955
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1781244753 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second