== sanity test 124b: lru resize (performance test) ================================================================================= 07:23:25 (1789298605)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 860 (time 1789298620.00 total 10.00 last 85.98)
 - open/close 1658 (time 1789298630.02 total 20.02 last 79.69)
 - open/close 2365 (time 1789298640.02 total 30.02 last 70.69)
 - open/close 3105 (time 1789298650.02 total 40.02 last 73.97)
 - open/close 3919 (time 1789298660.04 total 50.04 last 81.26)
 - open/close 4554 (time 1789298670.04 total 60.04 last 63.46)
 - open/close 5337 (time 1789298680.05 total 70.05 last 78.28)
 - open/close 6072 (time 1789298690.05 total 80.06 last 73.44)
 - open/close 6740 (time 1789298700.06 total 90.06 last 66.79)
 - open/close 7547 (time 1789298710.06 total 100.06 last 80.64)
total: 8000 open/close in 106.23 seconds: 75.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
400
 - unlinked 0 (time 1789298884 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 826 (time 1789299008.28 total 10.01 last 82.51)
 - open/close 1641 (time 1789299018.29 total 20.01 last 81.49)
 - open/close 2457 (time 1789299028.29 total 30.02 last 81.57)
 - open/close 3197 (time 1789299038.29 total 40.02 last 73.98)
 - open/close 4032 (time 1789299048.29 total 50.02 last 83.48)
 - open/close 4818 (time 1789299058.30 total 60.03 last 78.56)
 - open/close 5589 (time 1789299068.30 total 70.03 last 77.10)
 - open/close 6389 (time 1789299078.30 total 80.03 last 79.99)
 - open/close 7139 (time 1789299088.30 total 90.03 last 74.97)
 - open/close 7880 (time 1789299098.31 total 100.04 last 74.06)
total: 8000 open/close in 101.45 seconds: 78.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1789299208 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second