== sanity test 124b: lru resize (performance test) ================================================================================= 16:16:07 (1776197767)
ldlm.namespaces.lustre-MDT0000-mdc-ffff93a6c933f800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff93a6c933f800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 629 (time 1776197781.87 total 10.00 last 62.87)
 - open/close 1286 (time 1776197791.88 total 20.01 last 65.65)
 - open/close 1943 (time 1776197801.89 total 30.02 last 65.64)
 - open/close 2626 (time 1776197811.89 total 40.02 last 68.29)
 - open/close 3262 (time 1776197821.90 total 50.03 last 63.57)
 - open/close 3893 (time 1776197831.90 total 60.03 last 63.09)
 - open/close 4489 (time 1776197841.91 total 70.04 last 59.54)
 - open/close 5125 (time 1776197851.93 total 80.06 last 63.47)
 - open/close 5747 (time 1776197861.93 total 90.06 last 62.18)
 - open/close 6359 (time 1776197871.94 total 100.07 last 61.18)
 - open/close 6997 (time 1776197881.94 total 110.07 last 63.75)
 - open/close 7664 (time 1776197891.95 total 120.08 last 66.65)
total: 8000 open/close in 125.54 seconds: 63.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 400
400
 - unlinked 0 (time 1776197995 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff93a6c933f800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff93a6c933f800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 654 (time 1776198136.53 total 10.00 last 65.37)
 - open/close 1315 (time 1776198146.54 total 20.02 last 66.02)
 - open/close 1984 (time 1776198156.54 total 30.02 last 66.89)
 - open/close 2627 (time 1776198166.55 total 40.03 last 64.22)
 - open/close 3306 (time 1776198176.57 total 50.04 last 67.81)
 - open/close 3929 (time 1776198186.57 total 60.04 last 62.28)
 - open/close 4550 (time 1776198196.58 total 70.06 last 62.02)
 - open/close 5136 (time 1776198206.60 total 80.07 last 58.50)
 - open/close 5715 (time 1776198216.61 total 90.09 last 57.84)
 - open/close 6399 (time 1776198226.62 total 100.09 last 68.34)
 - open/close 6997 (time 1776198236.62 total 110.10 last 59.79)
 - open/close 7662 (time 1776198246.63 total 120.11 last 66.41)
total: 8000 open/close in 125.06 seconds: 63.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 38 seconds
lru_size = 4006
4001
ls -la is 56% faster with lru resize enabled
 - unlinked 0 (time 1776198303 ; total 1 ; last 1)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second