[ovirt-devel] ovirt-engine-sdk-python too slow

John Hunter zhjwpku at gmail.com
Tue Nov 24 12:40:12 UTC 2015


Hi,

On Tue, Nov 24, 2015 at 5:18 PM, Oved Ourfali <oourfali at redhat.com> wrote:

> Hi
>
> I discussed it with Juan (cc-ed).
>
> There used to be a bug in the JDBC authenticion extension that
> artificially delayed RESTAPI responses by 5 seconds:
>
>   brute force prevention login delay should not be applied to successful
> login requests
>   https://bugzilla.redhat.com/1255814
>
> That matches the description of the issue, but in theory it has been
> fixed. I would suggest him to check that he is using the right version
> of the extension.
>
> I did not use the extension ovirt-engine-extension-aaa-jdbc, and I don't
think this bug matches my problem, because even there is only one line
in the python script, it still cost like 3 seconds, I don't think this is a
reasonable time as when I import other package, it cost almost no time.

Can you explain why this import line costs so much time?


> In addition we also know that retrieving large lists of objects with the
> SDK is slow:
>
>    [RFE][performance] - generate large scale list running to slow.
>    https://bugzilla.redhat.com/1221238
>
> We don't have a solution for that yet.
>
> CC-ing Juan in case you have additional questions.
>
>
> On Mon, Nov 23, 2015 at 11:27 AM, John Hunter <zhjwpku at gmail.com> wrote:
>
>> Hi guys,
>>
>> I am using the ovirt-engine-sdk-python to communicate with the
>> ovirt-engine,
>> I am ok to list the vms but the processing time is too long, like 4.5
>> seconds,
>> and this line:
>>     from ovirtsdk.api import API
>> take almost 3 seconds.
>>
>> This seems a little bit longer than I expected it to be, so I am asking
>> is there
>> a quicker way to communicate with the ovirt-engine?
>>
>> --
>> Best regards
>> Junwang Zhao
>> Department of Computer Science &Technology
>> Peking University
>> Beijing, 100871, PRC
>>
>> _______________________________________________
>> Devel mailing list
>> Devel at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/devel
>>
>
>


-- 
Best regards
Junwang Zhao
Department of Computer Science &Technology
Peking University
Beijing, 100871, PRC
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