== sanity test 124b: lru resize (performance test) ================================================================================= 07:40:59 (1785411659)
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 740 (time 1785411674.39 total 10.01 last 73.92)
 - open/close 1275 (time 1785411684.44 total 20.06 last 53.23)
 - open/close 1844 (time 1785411694.44 total 30.06 last 56.90)
 - open/close 2415 (time 1785411704.46 total 40.08 last 57.01)
 - open/close 3154 (time 1785411714.46 total 50.09 last 73.85)
 - open/close 3673 (time 1785411724.49 total 60.11 last 51.76)
 - open/close 4237 (time 1785411734.50 total 70.13 last 56.33)
 - open/close 5006 (time 1785411744.51 total 80.13 last 76.86)
 - open/close 5690 (time 1785411754.51 total 90.13 last 68.38)
 - open/close 6387 (time 1785411764.52 total 100.14 last 69.66)
 - open/close 6873 (time 1785411774.54 total 110.16 last 48.49)
 - open/close 7278 (time 1785411784.58 total 120.20 last 40.33)
 - open/close 7870 (time 1785411794.59 total 130.21 last 59.15)
total: 8000 open/close in 132.46 seconds: 60.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
400
 - unlinked 0 (time 1785411945 ; total 0 ; last 0)
total: 8000 unlinks in 135 seconds: 59.259258 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 578 (time 1785412102.67 total 10.01 last 57.76)
 - open/close 1199 (time 1785412112.69 total 20.02 last 61.99)
 - open/close 1749 (time 1785412122.72 total 30.05 last 54.84)
 - open/close 2405 (time 1785412132.72 total 40.06 last 65.56)
 - open/close 2906 (time 1785412142.73 total 50.06 last 50.07)
 - open/close 3743 (time 1785412152.73 total 60.07 last 83.67)
 - open/close 4580 (time 1785412162.74 total 70.07 last 83.66)
 - open/close 5207 (time 1785412172.75 total 80.08 last 62.62)
 - open/close 5695 (time 1785412182.76 total 90.10 last 48.73)
 - open/close 6251 (time 1785412192.78 total 100.12 last 55.50)
 - open/close 6749 (time 1785412202.78 total 110.12 last 49.79)
 - open/close 7204 (time 1785412212.82 total 120.15 last 45.34)
 - open/close 7743 (time 1785412222.83 total 130.17 last 53.80)
total: 8000 open/close in 135.21 seconds: 59.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 146 seconds
lru_size = 4006
4001
ls -la is 9% slower with lru resize enabled
 - unlinked 0 (time 1785412406 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second