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Message #01722
Re: Cluster download tasks completely block other jobs :(
I think this also causes other issues when executing other type of taks,
such as power_on / power_off when these are done many requests at a time.
On Mon, Jun 9, 2014 at 11:11 PM, Julian Edwards <
julian.edwards@xxxxxxxxxxxxx> wrote:
> I just installed a test package on my test rig to play with my new DHCP
> code, and noticed that after starting a node up, there was no job
> appearing in the log.
>
> On closer inspection, it appears that there are many download tasks
> running which were kicked off, I think, by the regular auto-import:
>
> [2014-06-10 12:48:50,631: INFO/MainProcess] Received task:
>
> provisioningserver.tasks.import_boot_images[6590b4bd-5498-46b5-ad4d-69d21e096dd4]
>
> So now, all the celery threads are busy downloading boot resources, and
> none are available to start nodes, for example.
>
> I've filed a critical bug about this.
> https://bugs.launchpad.net/maas/+bug/1328351
>
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--
Andres Rodriguez
Engineering Manager, HWE Team
Canonical USA, Inc.
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