== sanity test 124b: lru resize (performance test) ================================================================================= 05:26:45 (1787390805)
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 860 (time 1787390819.20 total 10.00 last 85.99)
 - open/close 1702 (time 1787390829.20 total 20.00 last 84.17)
 - open/close 2654 (time 1787390839.20 total 30.01 last 95.18)
 - open/close 3500 (time 1787390849.20 total 40.01 last 84.59)
 - open/close 4376 (time 1787390859.22 total 50.03 last 87.41)
 - open/close 5195 (time 1787390869.23 total 60.04 last 81.85)
 - open/close 6094 (time 1787390879.23 total 70.04 last 89.88)
 - open/close 6985 (time 1787390889.24 total 80.04 last 89.04)
 - open/close 7835 (time 1787390899.25 total 90.05 last 84.92)
total: 8000 open/close in 91.83 seconds: 87.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
400
 - unlinked 0 (time 1787391067 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 893 (time 1787391175.36 total 10.01 last 89.18)
 - open/close 1768 (time 1787391185.36 total 20.02 last 87.44)
 - open/close 2641 (time 1787391195.37 total 30.02 last 87.27)
 - open/close 3552 (time 1787391205.37 total 40.03 last 91.03)
 - open/close 4434 (time 1787391215.38 total 50.04 last 88.12)
 - open/close 5344 (time 1787391225.39 total 60.04 last 90.96)
 - open/close 6195 (time 1787391235.40 total 70.06 last 85.00)
 - open/close 7103 (time 1787391245.40 total 80.06 last 90.78)
total: 8000 open/close in 89.23 seconds: 89.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787391357 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second