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Sure, thanks.
<div class="">I'll push it to my colleagues. We'll come back if it's match our issues.</div>
<div class="">Thank you.<br class="">
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Jean-Daniel Bonnetot</div>
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<a href="http://ovh.com" class="">ovh.com</a> | @pilgrimstack</div>
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<blockquote type="cite" class="">
<div class="">On 20 Dec 2017, at 23:47, Mathieu Gagné <<a href="mailto:mgagne@calavera.ca" class="">mgagne@calavera.ca</a>> wrote:</div>
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<div class="">
<div class="">Thank you very much for sharing this information!<br class="">
I'm sure other operators and users will greatly benefit from it. (I sure will)<br class="">
<br class="">
--<br class="">
Mathieu<br class="">
<br class="">
<br class="">
On Wed, Dec 20, 2017 at 4:09 PM, Fei Long Wang <<a href="mailto:feilong@catalyst.net.nz" class="">feilong@catalyst.net.nz</a>> wrote:<br class="">
<blockquote type="cite" class="">Hi there,<br class="">
<br class="">
I think I should send this note more early given the holiday season :) We<br class="">
(Catalyst Cloud) have done some work recently about the performance of<br class="">
Horizon, especially for the instance panel, which more cloud providers can<br class="">
be benefited. Here is the list:<br class="">
<br class="">
1. Allow to skip API calls to Neutron in instance tables<br class="">
<br class="">
2. Add cache for get_microversion() against Nova<br class="">
<br class="">
3. Remove the quota check for "Launch Instance" button NOTE: This one has<br class="">
been reverted. The comments from Horizon team is, though it's good, but the<br class="">
behavior is not consistent with the other panels. Personally, I don't like<br class="">
the excuse, I prefer to do the same thing for all the other panels.<br class="">
<br class="">
4. Add white list for Nova extension NOTE: It's not accepted by Horizon<br class="">
team, so we're going to keep it in our private repo.<br class="">
<br class="">
5. Make image name on instances panel configurable NOTE: It's not accepted<br class="">
by Horizon team, so we're going to keep it in our private repo.<br class="">
<br class="">
So far, we haven't got too much performance issue on the other panels.<br class="">
Because the performance issue about Horizon is really related to the the API<br class="">
calls. There are too much API calls on instance panel and it's related the<br class="">
number of instances when listing. Generally, when listing 20 instances per<br class="">
page could cost 10s-12s on our cloud before, with above 5 patches, it could<br class="">
be reduced to 3s-4s.<br class="">
<br class="">
Hopefully above information is helpful.<br class="">
<br class="">
<br class="">
--<br class="">
Cheers & Best regards,<br class="">
Feilong Wang (王飞龙)<br class="">
--------------------------------------------------------------------------<br class="">
Senior Cloud Software Engineer<br class="">
Tel: +64-48032246<br class="">
Email: <a href="mailto:flwang@catalyst.net.nz" class="">flwang@catalyst.net.nz</a><br class="">
Catalyst IT Limited<br class="">
Level 6, Catalyst House, 150 Willis Street, Wellington<br class="">
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