== sanity test 124b: lru resize (performance test) ================================================================================= 15:57:14 (1785959834)
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 817 (time 1785959849.55 total 10.01 last 81.59)
 - open/close 1415 (time 1785959859.56 total 20.03 last 59.72)
 - open/close 1943 (time 1785959869.58 total 30.04 last 52.70)
 - open/close 2482 (time 1785959879.59 total 40.06 last 53.83)
 - open/close 3076 (time 1785959889.60 total 50.06 last 59.38)
 - open/close 3816 (time 1785959899.60 total 60.06 last 73.99)
 - open/close 4420 (time 1785959909.62 total 70.08 last 60.29)
 - open/close 5156 (time 1785959919.62 total 80.09 last 73.55)
 - open/close 5715 (time 1785959929.63 total 90.10 last 55.85)
 - open/close 6316 (time 1785959939.63 total 100.10 last 60.10)
 - open/close 6821 (time 1785959949.65 total 110.12 last 50.40)
 - open/close 7487 (time 1785959959.65 total 120.12 last 66.60)
total: 8000 open/close in 126.29 seconds: 63.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 130 seconds
lru_size = 400
400
 - unlinked 0 (time 1785960110 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 612 (time 1785960233.85 total 10.00 last 61.18)
 - open/close 1197 (time 1785960243.85 total 20.01 last 58.48)
 - open/close 1898 (time 1785960253.89 total 30.04 last 69.85)
 - open/close 2475 (time 1785960263.90 total 40.05 last 57.65)
 - open/close 3014 (time 1785960273.91 total 50.07 last 53.80)
 - open/close 3528 (time 1785960283.93 total 60.08 last 51.34)
 - open/close 4141 (time 1785960293.95 total 70.10 last 61.17)
 - open/close 4886 (time 1785960303.95 total 80.11 last 74.46)
 - open/close 5490 (time 1785960313.99 total 90.14 last 60.19)
 - open/close 6056 (time 1785960324.00 total 100.16 last 56.52)
 - open/close 6717 (time 1785960334.01 total 110.16 last 66.07)
 - open/close 7227 (time 1785960344.01 total 120.16 last 50.98)
total: 8000 open/close in 129.50 seconds: 61.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 4052
3955
ls -la is 16% faster with lru resize enabled
 - unlinked 0 (time 1785960485 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second