== sanity test 124b: lru resize (performance test) ================================================================================= 18:20:18 (1786659618)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 606 (time 1786659634.54 total 10.04 last 60.38)
 - open/close 1164 (time 1786659644.56 total 20.06 last 55.66)
 - open/close 1645 (time 1786659654.57 total 30.07 last 48.07)
 - open/close 2254 (time 1786659664.59 total 40.08 last 60.80)
 - open/close 2869 (time 1786659674.61 total 50.11 last 61.37)
 - open/close 3532 (time 1786659684.61 total 60.11 last 66.30)
 - open/close 4195 (time 1786659694.61 total 70.11 last 66.30)
 - open/close 4924 (time 1786659704.62 total 80.11 last 72.86)
 - open/close 5691 (time 1786659714.63 total 90.12 last 76.63)
 - open/close 6374 (time 1786659724.64 total 100.14 last 68.20)
 - open/close 6944 (time 1786659734.67 total 110.16 last 56.85)
 - open/close 7607 (time 1786659744.68 total 120.17 last 66.22)
total: 8000 open/close in 127.23 seconds: 62.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
400
 - unlinked 0 (time 1786659885 ; total 0 ; last 0)
total: 8000 unlinks in 139 seconds: 57.553955 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 775 (time 1786660040.20 total 10.00 last 77.49)
 - open/close 1463 (time 1786660050.20 total 20.01 last 68.77)
 - open/close 2142 (time 1786660060.21 total 30.01 last 67.86)
 - open/close 2924 (time 1786660070.21 total 40.02 last 78.16)
 - open/close 3665 (time 1786660080.21 total 50.02 last 74.09)
 - open/close 4408 (time 1786660090.22 total 60.02 last 74.29)
 - open/close 5040 (time 1786660100.23 total 70.03 last 63.14)
 - open/close 5696 (time 1786660110.23 total 80.03 last 65.59)
 - open/close 6313 (time 1786660120.23 total 90.03 last 61.68)
 - open/close 6938 (time 1786660130.23 total 100.03 last 62.49)
 - open/close 7647 (time 1786660140.24 total 110.04 last 70.84)
total: 8000 open/close in 115.19 seconds: 69.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 4006
4001
ls -la is 14% faster with lru resize enabled
 - unlinked 0 (time 1786660270 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second