== sanity test 124b: lru resize (performance test) ================================================================================= 00:03:13 (1787716993)
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 592 (time 1787717009.12 total 10.01 last 59.14)
 - open/close 1131 (time 1787717019.13 total 20.01 last 53.88)
 - open/close 1696 (time 1787717029.15 total 30.04 last 56.37)
 - open/close 2250 (time 1787717039.15 total 40.04 last 55.39)
 - open/close 2862 (time 1787717049.17 total 50.06 last 61.08)
 - open/close 3527 (time 1787717059.18 total 60.06 last 66.47)
 - open/close 4281 (time 1787717069.18 total 70.07 last 75.34)
 - open/close 5070 (time 1787717079.19 total 80.07 last 78.87)
 - open/close 5763 (time 1787717089.20 total 90.08 last 69.26)
 - open/close 6652 (time 1787717099.20 total 100.09 last 88.84)
 - open/close 7438 (time 1787717109.21 total 110.09 last 78.56)
total: 8000 open/close in 116.07 seconds: 68.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
400
 - unlinked 0 (time 1787717285 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 681 (time 1787717418.61 total 10.01 last 68.02)
 - open/close 1467 (time 1787717428.61 total 20.02 last 78.56)
 - open/close 2215 (time 1787717438.64 total 30.04 last 74.60)
 - open/close 2782 (time 1787717448.64 total 40.05 last 56.69)
 - open/close 3264 (time 1787717458.69 total 50.09 last 47.97)
 - open/close 3857 (time 1787717468.70 total 60.10 last 59.25)
 - open/close 4578 (time 1787717478.71 total 70.12 last 72.00)
 - open/close 5407 (time 1787717488.72 total 80.12 last 82.83)
 - open/close 6213 (time 1787717498.72 total 90.13 last 80.56)
 - open/close 7056 (time 1787717508.72 total 100.13 last 84.30)
 - open/close 7926 (time 1787717518.74 total 110.14 last 86.89)
total: 8000 open/close in 111.07 seconds: 72.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4006
4001
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1787717631 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second