== sanity test 124b: lru resize (performance test) ================================================================================= 01:12:17 (1786770737)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 692 (time 1786770751.96 total 10.02 last 69.08)
 - open/close 1360 (time 1786770761.98 total 20.03 last 66.69)
 - open/close 1832 (time 1786770771.98 total 30.04 last 47.18)
 - open/close 2472 (time 1786770782.00 total 40.06 last 63.85)
 - open/close 3038 (time 1786770792.01 total 50.06 last 56.59)
 - open/close 3860 (time 1786770802.01 total 60.07 last 82.13)
 - open/close 4631 (time 1786770812.02 total 70.08 last 77.05)
 - open/close 5389 (time 1786770822.03 total 80.08 last 75.76)
 - open/close 6159 (time 1786770832.05 total 90.11 last 76.81)
 - open/close 6915 (time 1786770842.06 total 100.12 last 75.53)
 - open/close 7677 (time 1786770852.07 total 110.13 last 76.13)
total: 8000 open/close in 114.08 seconds: 70.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1786771026 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
 - open/close 842 (time 1786771135.96 total 10.00 last 84.18)
 - open/close 1615 (time 1786771145.96 total 20.00 last 77.29)
 - open/close 2451 (time 1786771155.97 total 30.02 last 83.49)
 - open/close 3232 (time 1786771165.98 total 40.03 last 78.02)
 - open/close 4113 (time 1786771176.00 total 50.04 last 87.97)
 - open/close 4953 (time 1786771186.00 total 60.04 last 83.98)
 - open/close 5799 (time 1786771196.01 total 70.05 last 84.56)
 - open/close 6675 (time 1786771206.01 total 80.06 last 87.52)
 - open/close 7479 (time 1786771216.02 total 90.06 last 80.35)
total: 8000 open/close in 96.44 seconds: 82.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1786771320 ; total 1 ; last 1)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second