== sanity test 124b: lru resize (performance test) ================================================================================= 05:50:47 (1787392247)
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 676 (time 1787392262.32 total 10.01 last 67.50)
 - open/close 1265 (time 1787392272.32 total 20.02 last 58.89)
 - open/close 2037 (time 1787392282.33 total 30.02 last 77.15)
 - open/close 2795 (time 1787392292.33 total 40.02 last 75.79)
 - open/close 3533 (time 1787392302.33 total 50.03 last 73.78)
 - open/close 4339 (time 1787392312.34 total 60.04 last 80.54)
 - open/close 5159 (time 1787392322.35 total 70.05 last 81.92)
 - open/close 6023 (time 1787392332.35 total 80.05 last 86.38)
 - open/close 6859 (time 1787392342.37 total 90.06 last 83.47)
 - open/close 7703 (time 1787392352.37 total 100.07 last 84.35)
total: 8000 open/close in 103.55 seconds: 77.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
400
 - unlinked 0 (time 1787392525 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 918 (time 1787392641.07 total 10.01 last 91.70)
 - open/close 1696 (time 1787392651.07 total 20.02 last 77.74)
 - open/close 2588 (time 1787392661.08 total 30.03 last 89.11)
 - open/close 3492 (time 1787392671.09 total 40.04 last 90.33)
 - open/close 4336 (time 1787392681.10 total 50.04 last 84.34)
 - open/close 5179 (time 1787392691.11 total 60.06 last 84.17)
 - open/close 6035 (time 1787392701.12 total 70.06 last 85.56)
 - open/close 6879 (time 1787392711.13 total 80.07 last 84.32)
 - open/close 7710 (time 1787392721.14 total 90.09 last 82.96)
total: 8000 open/close in 93.47 seconds: 85.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787392829 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second