Hi everyone,
We're still using 4 masters on 0.9.3, with most workers at 0.9.1 (and
we're not upgrading any time soon), with a few minor modifications, such
as Pierre's code to allow schedulers to reconfig, and ignoring revisions
when collapsing builds.
In the last week or so...
One of our masters apparently lost its WAMP connection twice. Nothing
shows up in the twistd.log, and our crossbar log doesn't show much of
anything. The symptom is that the master's builders don't show in the
UI. Reconfig failes to correct the problem. Only stopping and restarting
restores functionality.
We had a case of 2 builders both acquiring locks (the same lock). You
may recall that we use worker locks to control builds. We don't use the
worker property for this, as we have a builder on nearly every worker
that needs to run. We use the lock to allow only one of the other
builders to run at a time. Sometimes I've been able to correct his
successfully through the manhole, though getting to the point of calling
release() on the lock is unpleasant. This time either it didn't work, or
I messed it up. Again, restarting the master took care of the problem.
As I indicated in a reply on the dev list, we had a master that had to
be restarted. It's log indicated that reconfig had been continuing for
~17K seconds.
This morning, I had my attention called to a builder that had apparently
reversed in time. It's current build used a current SVN revision, as did
the previous. The one before that, however, was using a very old
revision. Builds previous to that appeared to use correct revisions.
Looking at the debug information, the build was submitted on May 16, but
was not claimed until June 29. I suspect that my restarting of its
master yesterday finally got it to be claimed. In general, there's times
I've noticed queued builds taking hours to be started, though that's
different than being claimed in the first place.
And that's it for today.
Neil Gilmore
grammatech.com
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