== sanity test 124b: lru resize (performance test) ================================================================================= 05:22:39 (1786958559)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 671 (time 1786958573.83 total 10.02 last 66.96)
 - open/close 1296 (time 1786958583.83 total 20.02 last 62.50)
 - open/close 2127 (time 1786958593.84 total 30.03 last 83.04)
 - open/close 2874 (time 1786958603.84 total 40.04 last 74.63)
 - open/close 3640 (time 1786958613.85 total 50.04 last 76.55)
 - open/close 4342 (time 1786958623.85 total 60.05 last 70.18)
 - open/close 5053 (time 1786958633.95 total 70.14 last 70.43)
 - open/close 5784 (time 1786958643.96 total 80.15 last 73.03)
 - open/close 6383 (time 1786958653.98 total 90.17 last 59.76)
 - open/close 6954 (time 1786958664.01 total 100.20 last 56.93)
 - open/close 7670 (time 1786958674.02 total 110.21 last 71.57)
total: 8000 open/close in 114.56 seconds: 69.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1786958853 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
 - open/close 560 (time 1786958994.46 total 10.01 last 55.92)
 - open/close 1229 (time 1786959004.47 total 20.02 last 66.83)
 - open/close 1932 (time 1786959014.49 total 30.04 last 70.19)
 - open/close 2611 (time 1786959024.49 total 40.04 last 67.88)
 - open/close 3429 (time 1786959034.49 total 50.05 last 81.77)
 - open/close 4103 (time 1786959044.50 total 60.05 last 67.39)
 - open/close 4764 (time 1786959054.50 total 70.05 last 66.10)
 - open/close 5608 (time 1786959064.51 total 80.06 last 84.30)
 - open/close 6271 (time 1786959074.51 total 90.07 last 66.26)
 - open/close 7026 (time 1786959084.52 total 100.07 last 75.44)
 - open/close 7713 (time 1786959094.53 total 110.08 last 68.63)
total: 8000 open/close in 115.00 seconds: 69.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1786959220 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second