>
> The benchmark was monitored by using this tool here:
> https://github.com/ceph/ceph/blob/master/src/tools/histogram_dump.py also
> by looking at the raw data of "ceph daemon osd.7 perf dump".
Why are you testing with one osd? You do not need ceph if you are only having
one disk.
You have to look at ceph differently. What kind of implementation are you going
to use if you have 100 disks spread across 8 servers.
>
> *Result:*
> Either there is something really going wrong or ceph has huge bottlenecks
> inside the software which should be solved...
>
Sorry for not looking at your results, I think I can imagine what they are.
>
> What did I do wrong? What's going on here?!
> Please help me out!
Read and do research before you do anything?
https://yourcmc.ru/wiki/Ceph_performance
But I have to admit performance should be much clearer advertised. I already
suggested years ago on such a ceph day, to publish general test results so new
users know what to expect.
So now you know what is 'bad', I will promise everything else you do with ceph
(that is relevant) will put a smile on your face. Happy cephing!!! ;)
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