== sanity test 124b: lru resize (performance test) ================================================================================= 20:59:07 (1785891547)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 755 (time 1785891561.38 total 10.02 last 75.38)
 - open/close 1506 (time 1785891571.39 total 20.02 last 75.03)
 - open/close 2458 (time 1785891581.41 total 30.04 last 95.09)
 - open/close 3488 (time 1785891591.41 total 40.04 last 102.99)
 - open/close 4666 (time 1785891601.41 total 50.04 last 117.79)
 - open/close 5503 (time 1785891611.41 total 60.04 last 83.67)
 - open/close 6234 (time 1785891621.42 total 70.05 last 73.05)
 - open/close 7068 (time 1785891631.43 total 80.06 last 83.33)
total: 8000 open/close in 89.88 seconds: 89.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 140 seconds
lru_size = 400
400
 - unlinked 0 (time 1785891789 ; total 0 ; last 0)
total: 8000 unlinks in 89 seconds: 89.887642 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1126 (time 1785891891.26 total 10.00 last 112.57)
 - open/close 2060 (time 1785891901.26 total 20.01 last 93.36)
 - open/close 2963 (time 1785891911.27 total 30.01 last 90.27)
 - open/close 3859 (time 1785891921.28 total 40.02 last 89.50)
 - open/close 4743 (time 1785891931.29 total 50.03 last 88.33)
 - open/close 5509 (time 1785891941.29 total 60.03 last 76.60)
 - open/close 6303 (time 1785891951.31 total 70.05 last 79.23)
 - open/close 7173 (time 1785891961.31 total 80.06 last 86.95)
total: 8000 open/close in 90.00 seconds: 88.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 4006
4002
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1785892066 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second