== sanity test 124b: lru resize (performance test) ================================================================================= 13:46:12 (1786038372)
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 959 (time 1786038388.19 total 10.02 last 95.73)
 - open/close 1751 (time 1786038398.19 total 20.02 last 79.18)
 - open/close 2592 (time 1786038408.19 total 30.02 last 84.10)
 - open/close 3503 (time 1786038418.20 total 40.03 last 91.01)
 - open/close 4304 (time 1786038428.21 total 50.04 last 80.01)
 - open/close 5183 (time 1786038438.21 total 60.04 last 87.88)
 - open/close 6001 (time 1786038448.22 total 70.05 last 81.73)
 - open/close 6854 (time 1786038458.22 total 80.05 last 85.27)
 - open/close 7609 (time 1786038468.23 total 90.06 last 75.42)
total: 8000 open/close in 93.94 seconds: 85.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
400
 - unlinked 0 (time 1786038664 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 781 (time 1786038783.64 total 10.01 last 78.05)
 - open/close 1559 (time 1786038793.64 total 20.01 last 77.78)
 - open/close 2434 (time 1786038803.64 total 30.01 last 87.50)
 - open/close 3327 (time 1786038813.65 total 40.02 last 89.21)
 - open/close 4110 (time 1786038823.66 total 50.03 last 78.21)
 - open/close 4856 (time 1786038833.68 total 60.05 last 74.44)
 - open/close 5615 (time 1786038843.69 total 70.06 last 75.83)
 - open/close 6477 (time 1786038853.70 total 80.07 last 86.15)
 - open/close 7230 (time 1786038863.73 total 90.10 last 75.06)
 - open/close 7993 (time 1786038873.74 total 100.11 last 76.21)
total: 8000 open/close in 100.18 seconds: 79.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1786039006 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second