== sanity test 124b: lru resize (performance test) ================================================================================= 05:06:31 (1786179991)
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 879 (time 1786180006.43 total 10.01 last 87.86)
 - open/close 1661 (time 1786180016.43 total 20.01 last 78.16)
 - open/close 2472 (time 1786180026.44 total 30.01 last 81.07)
 - open/close 3250 (time 1786180036.44 total 40.02 last 77.77)
 - open/close 4021 (time 1786180046.45 total 50.02 last 77.06)
 - open/close 4699 (time 1786180056.46 total 60.03 last 67.74)
 - open/close 5469 (time 1786180066.46 total 70.04 last 76.97)
 - open/close 6280 (time 1786180076.47 total 80.05 last 81.02)
 - open/close 7095 (time 1786180086.47 total 90.05 last 81.48)
 - open/close 7845 (time 1786180096.48 total 100.06 last 74.94)
total: 8000 open/close in 102.15 seconds: 78.32 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 113 seconds
lru_size = 400
400
 - unlinked 0 (time 1786180221 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 748 (time 1786180345.92 total 10.01 last 74.75)
 - open/close 1540 (time 1786180355.94 total 20.03 last 79.04)
 - open/close 2217 (time 1786180365.94 total 30.03 last 67.69)
 - open/close 2935 (time 1786180375.94 total 40.03 last 71.77)
 - open/close 3687 (time 1786180385.95 total 50.04 last 75.15)
 - open/close 4522 (time 1786180395.96 total 60.04 last 83.46)
 - open/close 5258 (time 1786180405.96 total 70.05 last 73.55)
 - open/close 6002 (time 1786180415.97 total 80.06 last 74.35)
 - open/close 6852 (time 1786180425.97 total 90.06 last 84.98)
 - open/close 7698 (time 1786180435.97 total 100.06 last 84.58)
total: 8000 open/close in 103.71 seconds: 77.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 4006
4001
ls -la is 16% faster with lru resize enabled
 - unlinked 0 (time 1786180553 ; total 0 ; last 0)
total: 8000 unlinks in 64 seconds: 125.000000 unlinks/second