Hi,
I noticed a severe inverse correlation between IOPS and throughput
For example:
running rados bench write with t=32 shows and average IOPS 1426
and bandwidth 5.5 MB/sec
running it with default ( t = 16 ) average IOPS is 49 and bandwidth is 200 MB/s
Is this expected behavior ?
How do I increase bandwidth without impacting IOPS ?
Note
Nothing "red" on atop
No customization in ceph.conf or sysctl.conf
The test I ran using replication = 2 and only 2 OSD s
Steven
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