[users at bb.net] Slave Output to STDIO

[Vasily]

Hi Jeremy,

I believe what you're describing is the default Buildbot behavior for quite
a long time.
What you're seeing is probably slave buffering its commands' output before
sending them to master. I think buffer size could be tweaked on per-slave
basic by changing their buildslave.tac files. Try looking there.

Sorry I cannot give more precise instructions as I'm writing this from my
phone.

Thanks,
Vasily
23 февр. 2016 г. 2:50 пользователь "Jeremy Cornett" <
jeremy.cornett at venafi.com> написал:

> Hi,
>
>
>
> I’m running a bunch of Windows slaves, and I noticed that when I upgrade
> from 0.8.7p1 to 0.8.12, the output on the stdio for a factory step was
> rather jerky, whereas it used to be very smooth. It seems like the slave
> queues up output and sends it over the master in chunks, or perhaps the
> master just loads it into the stdio page through the waterfall in chunks
> instead of character by character. I don’t know which (probably the
> latter). Is there any way to make this output smooth again?
>
>
>
> Specifically, I have a VERY long running process (6+ hours) that displays
> a status asterisk for its percentage done. Right now, BuildBot is timing
> out the process after 6 hours because nothing is being displayed on the
> stdio (I set the timeout on the step to 6 hours, I guess I could set it to
> a higher value, but seems counterproductive to the problem being
> experienced – i.e. I shouldn’t have to do that). I have a sneaking
> suspicion that some little asterisks are actually being output one by one
> by the process running on the buildslave over the course of the 6 hours,
> but the master isn’t displaying them on the stdio page as it should. I say
> this because the other processes that display asterisks for percentage done
> are actually displayed all at once (no asterisks for a couple minutes, then
> display all 100 of them at once), and hence is timing out the process when
> infact I think it is running and displaying a little output. I could be
> totally off base with this, but I am wondering if that’s what is happening.
>
>
>
> [image: Description:
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>
> | Jeremy Cornett | Configuration Management Engineer
>
>
>
>
>
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