== sanity test 124b: lru resize (performance test) ================================================================================= 16:47:07 (1787863627)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 796 (time 1787863641.72 total 10.03 last 79.38)
 - open/close 1608 (time 1787863651.73 total 20.04 last 81.11)
 - open/close 2408 (time 1787863661.74 total 30.04 last 79.95)
 - open/close 3216 (time 1787863671.75 total 40.05 last 80.74)
 - open/close 4070 (time 1787863681.75 total 50.06 last 85.34)
 - open/close 4830 (time 1787863691.76 total 60.06 last 75.98)
 - open/close 5678 (time 1787863701.76 total 70.06 last 84.77)
 - open/close 6451 (time 1787863711.77 total 80.07 last 77.26)
 - open/close 7273 (time 1787863721.78 total 90.08 last 82.10)
total: 8000 open/close in 98.80 seconds: 80.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1787863890 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 872 (time 1787864012.89 total 10.00 last 87.16)
 - open/close 1663 (time 1787864022.89 total 20.01 last 79.05)
 - open/close 2516 (time 1787864032.90 total 30.02 last 85.22)
 - open/close 3345 (time 1787864042.90 total 40.02 last 82.88)
 - open/close 4207 (time 1787864052.91 total 50.03 last 86.15)
 - open/close 5020 (time 1787864062.91 total 60.03 last 81.28)
 - open/close 5827 (time 1787864072.92 total 70.04 last 80.65)
 - open/close 6560 (time 1787864082.94 total 80.06 last 73.12)
 - open/close 7358 (time 1787864092.96 total 90.08 last 79.65)
total: 8000 open/close in 97.99 seconds: 81.64 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 43% faster with lru resize enabled
 - unlinked 0 (time 1787864205 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second