[Buildbot-devel] lazy logs a bit too lazy and que'ed requests not being processed

[Francesco Di Mizio]

Well I dont remeber changing them. I only know tthey used to stream and now
they don't.
I might be wrong though, Next week I'll check the history and update here.

Thanks

On Sat, Oct 4, 2014 at 3:37 PM, Dustin J. Mitchell <dustin at v.igoro.us>
wrote:

> Hang on, I just noticed the thread subject.. If these are, indeed,
> configured as lazy logs then they shouldn't even show up on the master
> until the step stops.  In other words, lazy logs are not streamed,
> they are downloaded at step completion.
>
> Dustin
>
> On Fri, Oct 3, 2014 at 5:56 PM, Thomas Middeldorp <thomas at ranzer.geek.nz>
> wrote:
> > I can confirm "proxy_buffering off;" is what fixed this for me in 0.8.
> In my
> > setup I have /waterfall behind a proxy_cache (you could add other
> locations if
> > needed) and then / is a straight proxy_pass with buffering turned off.
> >
> > - Thomas
> >
> >
> > On 4/10/2014 1:46 a.m., Dustin J. Mitchell wrote:
> >> My googling is failing to find previous threads about the proxy issue
> >> and the nginx fix for it -- there's a parameter of some sort to turn
> >> off buffering, similar to what Charles has suggested.
> >>
> >> In 0.9.0, we're no longer using the technique of dripping out an HTTP
> >> response slowly, so the header change isn't necessary.  However, the
> >> header or at least a note about Apache and Nginx configuration in the
> >> docs, would be a good addition to the 'eight' branch.
> >>
> >> Dustin
> >>
> >> On Thu, Oct 2, 2014 at 11:10 PM, Charles Lepple <clepple at gmail.com>
> wrote:
> >>> Definitely not a 1:1 mapping, but in Apache, I dropped the proxy
> buffer from the default of 8 kB to 512 bytes, and logs stream fine. The
> nginx parameters look a bit more complicated:
> >>>
> >>>
> http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_buffering
> >>>
> >>> Here's the Apache parameter I tweaked:
> >>>
> >>>
> http://httpd.apache.org/docs/current/mod/mod_proxy.html#proxyiobuffersize
> >>>
> >>> One thing that Buildbot could potentially do on the logs is add
> "X-Accel-Buffering: no" for nginx (I think; unless I got it backwards).
> >>>
> >>> --
> >>> - Charles Lepple
> >>> http://ghz.cc/charles/
> >>>
> >>>
> >>>
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