== sanity test 124b: lru resize (performance test) ================================================================================= 01:37:13 (1746077833)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1217 (time 1746077845.85 total 10.00 last 121.70)
 - open/close 2455 (time 1746077855.85 total 20.00 last 123.76)
 - open/close 3655 (time 1746077865.85 total 30.01 last 119.98)
 - open/close 4976 (time 1746077875.86 total 40.01 last 131.98)
 - open/close 6274 (time 1746077885.87 total 50.02 last 129.69)
 - open/close 7501 (time 1746077895.89 total 60.04 last 122.50)
total: 8000 open/close in 64.21 seconds: 124.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 143 seconds
lru_size = 400
 - unlinked 0 (time 1746078047 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second
 - open/close 1331 (time 1746078118.89 total 10.01 last 133.01)
 - open/close 2655 (time 1746078128.89 total 20.01 last 132.34)
 - open/close 3792 (time 1746078138.90 total 30.02 last 113.65)
 - open/close 4921 (time 1746078148.90 total 40.02 last 112.81)
 - open/close 6194 (time 1746078158.90 total 50.02 last 127.30)
 - open/close 7197 (time 1746078168.91 total 60.03 last 100.26)
total: 8000 open/close in 67.91 seconds: 117.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 55 seconds
lru_size = 8006
ls -la is 61% faster with lru resize enabled
 - unlinked 0 (time 1746078243 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second