== sanity test 124b: lru resize (performance test) ================================================================================= 15:58:15 (1788811095)
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 1128 (time 1788811109.64 total 10.00 last 112.79)
 - open/close 2371 (time 1788811119.65 total 20.01 last 124.24)
 - open/close 3760 (time 1788811129.65 total 30.01 last 138.89)
 - open/close 5074 (time 1788811139.65 total 40.01 last 131.38)
 - open/close 6378 (time 1788811149.65 total 50.01 last 130.38)
 - open/close 7731 (time 1788811159.65 total 60.01 last 135.24)
total: 8000 open/close in 61.87 seconds: 129.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 400
400
 - unlinked 0 (time 1788811264 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1213 (time 1788811330.61 total 10.01 last 121.16)
 - open/close 2516 (time 1788811340.61 total 20.01 last 130.30)
 - open/close 3981 (time 1788811350.61 total 30.02 last 146.43)
 - open/close 5275 (time 1788811360.62 total 40.02 last 129.33)
 - open/close 6569 (time 1788811370.62 total 50.02 last 129.39)
 - open/close 7707 (time 1788811380.62 total 60.03 last 113.76)
total: 8000 open/close in 62.41 seconds: 128.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1788811442 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second