== sanity test 124b: lru resize (performance test) ================================================================================= 12:00:34 (1758816034)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 944 (time 1758816048.39 total 10.01 last 94.34)
 - open/close 1794 (time 1758816058.39 total 20.01 last 85.00)
 - open/close 2641 (time 1758816068.41 total 30.02 last 84.59)
 - open/close 3474 (time 1758816078.41 total 40.03 last 83.23)
 - open/close 4349 (time 1758816088.43 total 50.04 last 87.41)
 - open/close 5072 (time 1758816098.44 total 60.05 last 72.22)
 - open/close 5784 (time 1758816108.44 total 70.05 last 71.18)
 - open/close 6589 (time 1758816118.44 total 80.05 last 80.49)
 - open/close 7397 (time 1758816128.45 total 90.07 last 80.70)
total: 8000 open/close in 97.18 seconds: 82.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 129 seconds
lru_size = 400
400
 - unlinked 0 (time 1758816272 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 910 (time 1758816371.64 total 10.00 last 90.98)
 - open/close 1806 (time 1758816381.64 total 20.01 last 89.56)
 - open/close 2730 (time 1758816391.65 total 30.01 last 92.34)
 - open/close 3764 (time 1758816401.65 total 40.01 last 103.39)
 - open/close 4832 (time 1758816411.65 total 50.02 last 106.74)
 - open/close 5920 (time 1758816421.66 total 60.03 last 108.71)
 - open/close 6918 (time 1758816431.66 total 70.03 last 99.79)
 - open/close 7894 (time 1758816441.67 total 80.03 last 97.54)
total: 8000 open/close in 81.00 seconds: 98.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 4006
4001
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1758816514 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second