== sanity test 124b: lru resize (performance test) ================================================================================= 16:54:04 (1789073644)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 708 (time 1789073659.76 total 10.00 last 70.79)
 - open/close 1384 (time 1789073669.77 total 20.01 last 67.55)
 - open/close 1963 (time 1789073679.77 total 30.01 last 57.90)
 - open/close 2528 (time 1789073689.78 total 40.02 last 56.44)
 - open/close 3117 (time 1789073699.78 total 50.02 last 58.89)
 - open/close 3673 (time 1789073709.81 total 60.05 last 55.43)
 - open/close 4094 (time 1789073719.82 total 70.07 last 42.05)
 - open/close 4529 (time 1789073729.85 total 80.09 last 43.39)
 - open/close 5013 (time 1789073739.88 total 90.12 last 48.26)
 - open/close 5530 (time 1789073749.88 total 100.13 last 51.67)
 - open/close 6122 (time 1789073759.89 total 110.13 last 59.16)
 - open/close 6688 (time 1789073769.91 total 120.15 last 56.51)
 - open/close 7299 (time 1789073779.92 total 130.16 last 61.01)
 - open/close 7830 (time 1789073789.94 total 140.18 last 53.00)
total: 8000 open/close in 144.12 seconds: 55.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 400
400
 - unlinked 0 (time 1789073913 ; total 1 ; last 1)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 609 (time 1789074054.69 total 10.02 last 60.79)
 - open/close 1223 (time 1789074064.70 total 20.02 last 61.37)
 - open/close 1778 (time 1789074074.71 total 30.04 last 55.42)
 - open/close 2425 (time 1789074084.71 total 40.04 last 64.68)
 - open/close 2959 (time 1789074094.72 total 50.05 last 53.35)
 - open/close 3538 (time 1789074104.74 total 60.07 last 57.81)
 - open/close 4069 (time 1789074114.76 total 70.08 last 53.01)
 - open/close 4823 (time 1789074124.76 total 80.09 last 75.37)
 - open/close 5479 (time 1789074134.76 total 90.09 last 65.57)
 - open/close 6089 (time 1789074144.78 total 100.10 last 60.93)
 - open/close 6649 (time 1789074154.78 total 110.11 last 55.98)
 - open/close 7144 (time 1789074164.79 total 120.12 last 49.46)
 - open/close 7636 (time 1789074174.79 total 130.12 last 49.17)
total: 8000 open/close in 135.58 seconds: 59.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 4006
4001
ls -la is 0% faster with lru resize enabled
 - unlinked 0 (time 1789074311 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second