== sanity test 124b: lru resize (performance test) ================================================================================= 22:42:35 (1786761755)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 784 (time 1786761769.81 total 10.00 last 78.37)
 - open/close 1496 (time 1786761779.81 total 20.01 last 71.15)
 - open/close 2273 (time 1786761789.82 total 30.02 last 77.66)
 - open/close 3112 (time 1786761799.84 total 40.03 last 83.77)
 - open/close 3969 (time 1786761809.84 total 50.04 last 85.65)
 - open/close 4885 (time 1786761819.84 total 60.04 last 91.57)
 - open/close 5618 (time 1786761829.85 total 70.05 last 73.25)
 - open/close 6387 (time 1786761839.86 total 80.05 last 76.84)
 - open/close 7279 (time 1786761849.89 total 90.09 last 88.91)
total: 8000 open/close in 98.62 seconds: 81.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 188 seconds
lru_size = 400
 - unlinked 0 (time 1786762057 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
 - open/close 905 (time 1786762173.91 total 10.01 last 90.42)
 - open/close 1663 (time 1786762183.93 total 20.02 last 75.70)
 - open/close 2471 (time 1786762193.93 total 30.02 last 80.78)
 - open/close 3280 (time 1786762203.94 total 40.04 last 80.80)
 - open/close 4127 (time 1786762213.96 total 50.05 last 84.55)
 - open/close 4871 (time 1786762223.96 total 60.06 last 74.38)
 - open/close 5658 (time 1786762233.97 total 70.07 last 78.62)
 - open/close 6547 (time 1786762243.98 total 80.07 last 88.85)
 - open/close 7445 (time 1786762253.99 total 90.08 last 89.70)
total: 8000 open/close in 96.11 seconds: 83.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1786762366 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second