== sanity test 124b: lru resize (performance test) ================================================================================= 07:54:19 (1787572459)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 870 (time 1787572474.61 total 10.01 last 86.92)
 - open/close 1705 (time 1787572484.61 total 20.01 last 83.48)
 - open/close 2439 (time 1787572494.62 total 30.02 last 73.37)
 - open/close 3237 (time 1787572504.63 total 40.03 last 79.70)
 - open/close 4156 (time 1787572514.64 total 50.04 last 91.75)
 - open/close 5006 (time 1787572524.65 total 60.05 last 84.98)
 - open/close 5659 (time 1787572534.65 total 70.05 last 65.27)
 - open/close 6308 (time 1787572544.66 total 80.06 last 64.86)
 - open/close 7062 (time 1787572554.66 total 90.06 last 75.37)
 - open/close 7880 (time 1787572564.69 total 100.09 last 81.56)
total: 8000 open/close in 101.51 seconds: 78.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 179 seconds
lru_size = 400
 - unlinked 0 (time 1787572757 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 783 (time 1787572886.45 total 10.00 last 78.29)
 - open/close 1537 (time 1787572896.46 total 20.01 last 75.32)
 - open/close 2421 (time 1787572906.46 total 30.02 last 88.37)
 - open/close 3207 (time 1787572916.47 total 40.02 last 78.56)
 - open/close 3936 (time 1787572926.50 total 50.05 last 72.68)
 - open/close 4770 (time 1787572936.50 total 60.06 last 83.34)
 - open/close 5522 (time 1787572946.51 total 70.07 last 75.12)
 - open/close 6285 (time 1787572956.52 total 80.07 last 76.27)
 - open/close 7071 (time 1787572966.52 total 90.08 last 78.57)
 - open/close 7832 (time 1787572976.58 total 100.13 last 75.69)
total: 8000 open/close in 102.25 seconds: 78.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1787573087 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second