== sanity test 124b: lru resize (performance test) ================================================================================= 09:38:19 (1781617099)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1930 (time 1781617112.25 total 10.00 last 192.94)
 - open/close 4180 (time 1781617122.25 total 20.00 last 224.99)
 - open/close 5752 (time 1781617132.26 total 30.01 last 157.17)
 - open/close 7486 (time 1781617142.26 total 40.01 last 173.34)
total: 8000 open/close in 42.90 seconds: 186.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 400
 - unlinked 0 (time 1781617231 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
 - open/close 2224 (time 1781617258.84 total 10.00 last 222.38)
 - open/close 4379 (time 1781617268.84 total 20.00 last 215.47)
 - open/close 6916 (time 1781617278.85 total 30.00 last 253.64)
total: 8000 open/close in 34.36 seconds: 232.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 8005
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1781617346 ; total 0 ; last 0)
total: 8000 unlinks in 23 seconds: 347.826080 unlinks/second