== sanity test 124b: lru resize (performance test) ================================================================================= 21:25:46 (1788571546)
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 674 (time 1788571562.95 total 10.01 last 67.34)
 - open/close 1391 (time 1788571572.96 total 20.02 last 71.59)
 - open/close 2117 (time 1788571582.97 total 30.03 last 72.55)
 - open/close 2906 (time 1788571592.97 total 40.03 last 78.88)
 - open/close 3613 (time 1788571602.98 total 50.05 last 70.62)
 - open/close 4382 (time 1788571612.99 total 60.05 last 76.85)
 - open/close 5252 (time 1788571623.00 total 70.06 last 86.95)
 - open/close 5992 (time 1788571633.01 total 80.07 last 73.91)
 - open/close 6888 (time 1788571643.03 total 90.09 last 89.45)
 - open/close 7674 (time 1788571653.03 total 100.09 last 78.59)
total: 8000 open/close in 104.90 seconds: 76.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 400
400
 - unlinked 0 (time 1788571773 ; 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 832 (time 1788571888.79 total 10.00 last 83.17)
 - open/close 1712 (time 1788571898.80 total 20.01 last 87.92)
 - open/close 2653 (time 1788571908.81 total 30.02 last 94.06)
 - open/close 3508 (time 1788571918.81 total 40.02 last 85.49)
 - open/close 4355 (time 1788571928.81 total 50.02 last 84.70)
 - open/close 5168 (time 1788571938.81 total 60.02 last 81.26)
 - open/close 5980 (time 1788571948.82 total 70.03 last 81.16)
 - open/close 6588 (time 1788571958.83 total 80.04 last 60.73)
 - open/close 7378 (time 1788571968.83 total 90.04 last 78.98)
total: 8000 open/close in 96.83 seconds: 82.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 4006
4001
ls -la is 13% faster with lru resize enabled
 - unlinked 0 (time 1788572087 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second