== sanity test 124b: lru resize (performance test) ================================================================================= 23:48:48 (1786765728)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 772 (time 1786765742.45 total 10.02 last 77.07)
 - open/close 1471 (time 1786765752.45 total 20.02 last 69.89)
 - open/close 2193 (time 1786765762.46 total 30.03 last 72.13)
 - open/close 2963 (time 1786765772.46 total 40.03 last 76.98)
 - open/close 3790 (time 1786765782.46 total 50.03 last 82.69)
 - open/close 4496 (time 1786765792.47 total 60.04 last 70.53)
 - open/close 5206 (time 1786765802.48 total 70.05 last 70.93)
 - open/close 6046 (time 1786765812.48 total 80.05 last 83.99)
 - open/close 6902 (time 1786765822.49 total 90.06 last 85.52)
 - open/close 7789 (time 1786765832.50 total 100.06 last 88.66)
total: 8000 open/close in 102.63 seconds: 77.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1786766013 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 809 (time 1786766135.21 total 10.02 last 80.73)
 - open/close 1565 (time 1786766145.22 total 20.04 last 75.48)
 - open/close 2285 (time 1786766155.23 total 30.04 last 71.94)
 - open/close 2987 (time 1786766165.23 total 40.05 last 70.19)
 - open/close 3832 (time 1786766175.24 total 50.05 last 84.48)
 - open/close 4683 (time 1786766185.25 total 60.06 last 85.00)
 - open/close 5406 (time 1786766195.25 total 70.06 last 72.28)
 - open/close 6323 (time 1786766205.26 total 80.07 last 91.64)
 - open/close 7188 (time 1786766215.26 total 90.08 last 86.43)
total: 8000 open/close in 99.91 seconds: 80.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1786766335 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second