[Buildbot-devel] Flexibility to Stop or Terminate LatentSlave as load drops

[Dustin J. Mitchell]

This is a great idea.  While you're working on it, please also file a
bug in Trac for it?

Dustin

On Thu, Mar 20, 2014 at 11:03 AM, kuldeep porwal <2591kuldeep at gmail.com> wrote:
> Hi all,
>          We should in some scenario Stop the slave instead of always
> Terminatiing it when timeout expires. Having the instances be stopped
> instead of terminated is useful when you are using EBS volumes and want to
> keep them mounted for the life of the instance and reuse the instance for
> long periods of time. This can greatly reduce the startup time of the
> instance since it does not have to build the volume from the snapshot. we
> can ask users (as a parameter) whether they want to terminate the instance
> when load goes down or they want to stop.
>
>
> On Thu, Mar 20, 2014 at 4:35 PM, kuldeep porwal <2591kuldeep at gmail.com>
> wrote:
>>
>> Hi all,
>>
>> I have a following doubt in latent-slave stop_instance logic of buildbot.
>>
>>  file:buildbot/master/buildbot/buildslave/ec2.py .
>>
>> As we know we can't stop a spot instance but we can stop other instances.
>> so sometimes it will be better to shutdown the build slave for some time and
>> reboot it when required (scenario arises when load is shifting towards
>> high). This will help in
>> * decreasing the overhead * of relaunching the slave again.
>>
>>  Where in the function _stop_instance() we are doing that? all I can
>> understand is like we are terminating a slave when it is not already
>> terminated.
>> (line: instance.terminate()).
>>
>>
>> --
>> Regards,
>> Kuldeep Porwal
>> IIIT Hyderabad
>> 09550605256
>> http://web.iiit.ac.in/~kuldeep.porwal
>
>
>
>
> --
> Regards,
> Kuldeep Porwal
> IIIT Hyderabad
> 09550605256
> http://web.iiit.ac.in/~kuldeep.porwal
>
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