== sanity test 124b: lru resize (performance test) ================================================================================= 01:10:03 (1787375403)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 736 (time 1787375418.07 total 10.01 last 73.52)
 - open/close 1356 (time 1787375428.07 total 20.01 last 61.99)
 - open/close 2111 (time 1787375438.08 total 30.02 last 75.41)
 - open/close 2829 (time 1787375448.09 total 40.03 last 71.72)
 - open/close 3514 (time 1787375458.10 total 50.04 last 68.45)
 - open/close 4137 (time 1787375468.12 total 60.06 last 62.21)
 - open/close 4739 (time 1787375478.13 total 70.07 last 60.10)
 - open/close 5337 (time 1787375488.14 total 80.08 last 59.77)
 - open/close 5939 (time 1787375498.14 total 90.09 last 60.15)
 - open/close 6613 (time 1787375508.15 total 100.09 last 67.39)
 - open/close 7198 (time 1787375518.15 total 110.10 last 58.45)
 - open/close 7821 (time 1787375528.16 total 120.10 last 62.25)
total: 8000 open/close in 122.25 seconds: 65.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1787375704 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 734 (time 1787375840.48 total 10.00 last 73.38)
 - open/close 1484 (time 1787375850.49 total 20.01 last 74.96)
 - open/close 2218 (time 1787375860.50 total 30.02 last 73.34)
 - open/close 2927 (time 1787375870.50 total 40.02 last 70.89)
 - open/close 3616 (time 1787375880.51 total 50.03 last 68.85)
 - open/close 4179 (time 1787375890.53 total 60.05 last 56.19)
 - open/close 4730 (time 1787375900.54 total 70.06 last 55.01)
 - open/close 5304 (time 1787375910.56 total 80.08 last 57.28)
 - open/close 5930 (time 1787375920.57 total 90.09 last 62.53)
 - open/close 6647 (time 1787375930.58 total 100.10 last 71.64)
 - open/close 7382 (time 1787375940.58 total 110.10 last 73.50)
total: 8000 open/close in 118.00 seconds: 67.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1787376068 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second