[Openstack] EC2API Very Slow
Georgios Dimitrakakis
giorgis at acmac.uoc.gr
Mon Apr 10 20:25:04 UTC 2017
Hello again,
after some time...
The "nova list" command is very fast indeed and the only problem I
observer is through the EC2 API.
I have found out the following bug and I believe is related to it, what
do you people think?
https://bugs.launchpad.net/ec2-api/+bug/1619259
Best regards,
G.
> On 03/26/2017 04:06 PM, Georgios Dimitrakakis wrote:
>> Hello,
>>
>> can someone let me know if it's an expected behavior the EC2API to
>> be
>> very slow in Ocata?
>>
>> I have an old installation of OpenStack (Icehouse) with NOVA-EC2 and
>> when requesting an instance's info I am getting them back in 9sec.
>>
>> In a newer Ocata installation with EC2API it takes around 53sec.
>>
>> On a hardware perspective view the newer version is on a far better
>> (in
>> terms of specifications) server.
>>
>> Any ideas what might be the problem and how to resolve it? Or any
>> ideas
>> how to debug it??
>
> Both 9s and 53s are appalling performance for getting an instance's
> info. Something is definitely amiss.
>
> To determine the cause of the slowdown, first try to eliminate
> various potential components. You say it's the EC2 API that is slow.
> If you run a normal `nova list` (which will go through the OpenStack
> API, not the EC2 API), what is the difference in performance? If you
> see the same 9s vs. 53s performance, it's definitely not the EC2 API
> that is at fault.
>
> Best,
> -jay
>
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