== sanity test 124b: lru resize (performance test) ================================================================================= 19:19:55 (1781306395) ldlm.namespaces.lustre-MDT0000-mdc-ffff8b978362d000.lru_size=400 ldlm.namespaces.lustre-MDT0001-mdc-ffff8b978362d000.lru_size=400 striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize - open/close 792 (time 1781306410.25 total 10.01 last 79.12) - open/close 1549 (time 1781306420.26 total 20.02 last 75.62) - open/close 2353 (time 1781306430.27 total 30.04 last 80.28) - open/close 3008 (time 1781306440.28 total 40.05 last 65.43) - open/close 3689 (time 1781306450.29 total 50.06 last 68.02) - open/close 4425 (time 1781306460.31 total 60.07 last 73.51) - open/close 5165 (time 1781306470.31 total 70.07 last 73.99) - open/close 5996 (time 1781306480.32 total 80.08 last 83.04) - open/close 6574 (time 1781306490.33 total 90.09 last 57.71) - open/close 7286 (time 1781306500.33 total 100.09 last 71.20) - open/close 7949 (time 1781306510.33 total 110.10 last 66.28) total: 8000 open/close in 110.76 seconds: 72.23 ops/second doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times ls -la time: 97 seconds lru_size = 400 400 - unlinked 0 (time 1781306619 ; total 0 ; last 0) total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second ldlm.namespaces.lustre-MDT0000-mdc-ffff8b978362d000.lru_size=0 ldlm.namespaces.lustre-MDT0001-mdc-ffff8b978362d000.lru_size=0 striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize - open/close 740 (time 1781306739.93 total 10.01 last 73.94) - open/close 1442 (time 1781306749.95 total 20.02 last 70.10) - open/close 2192 (time 1781306759.95 total 30.02 last 74.98) - open/close 3000 (time 1781306769.97 total 40.04 last 80.64) - open/close 3697 (time 1781306779.98 total 50.05 last 69.66) - open/close 4507 (time 1781306789.99 total 60.06 last 80.90) - open/close 5278 (time 1781306799.99 total 70.07 last 77.07) - open/close 6073 (time 1781306809.99 total 80.07 last 79.50) - open/close 6868 (time 1781306820.01 total 90.09 last 79.34) - open/close 7633 (time 1781306830.02 total 100.10 last 76.44) total: 8000 open/close in 105.06 seconds: 76.14 ops/second doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times ls -la time: 56 seconds lru_size = 4006 4001 ls -la is 42% faster with lru resize enabled - unlinked 0 (time 1781306907 ; total 0 ; last 0) total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second