[Buildbot-devel] Merge requests troubleshooting

[Ludovic Chabant]

Hey everyone,

I enabled the "merge requests" feature in buildbot but as far as I can
tell, not much is getting merged, and my slaves are falling behind with
many pending builds.

How can I figure out what's going on? The only thing I can think of is
create a custom merge function that implements the default behaviour, but
with calls to "log" to print information out to the log... I don't know if
there's a better way.

Also, it may be relevant to note that most of the builds scheduled by a
change are "empty" builds that only have "Trigger" steps to trigger various
other builds (e.g. one build per platform and configuration). I wonder if
buildbot thinks it doesn't need to merge that first build because it
executes so quickly, and then all the triggered builds start clogging the
master because it won't try to merge those?
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   l u d o .
   . 8 0 17 80
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