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Monday, May 18 • 4:40pm - 5:20pm
Tales From the Gate: How Debugging the Gate Helps Your Enterprise

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OpenStack is incredibly complex with tons of moving parts. When we run tests against a running OpenStack in the gate sometimes things fail for reasons unrelated to the proposed patch. These failures, sometimes refered to developers as "flaky failures", are normally an exposure of interesting timing problems in OpenStack and they can often be very tricky to debug. However, we've found that almost all of these issues and the difficulty we have in debugging them also applies to real deployments.

 

This talk will go over the mechanics of debugging gate failures. Including topics like: common failure patterns to look for, how to trace through (and improve) OpenStack logs, and writing elastic-recheck fingerprints.

 

As part of the discussion comparisons will be drawn to show how similar the process of debugging gate failures is to production OpenStack issues. To reinforce that anything we see in the gate most likely is being dealt with by users of OpenStack outside of the developer community.

Speakers
avatar for Matt Riedemann

Matt Riedemann

Advisory Software Engineer, IBM
Matt Riedemann has been with IBM for over 10 years.  He started working on build tools and frameworks to spending 5 years working in the Update Manager component of IBM Systems Director. | Matt has worked on OpenStack for over 2 years and is part of one of the earliest teams in IBM to be involved with contributing to the OpenStack community.  He has experience with continuous integration/build/packaging systems for OpenStack, is a top... Read More →
avatar for Matthew Treinish

Matthew Treinish

Open Source Software Engineer, HPE
Matthew is currently a member of the OpenStack TC (Technical Committee) and was previously the PTL (project technical lead) of the OpenStack community's QA program from OpenStack's Juno development cycle in 2014 through the Mitaka development cycle in 2016. He is a core contributor on several Openstack projects including Tempest, elastic-recheck, and many smaller projects and a core member of the OpenStack stable maintenance team. He has been... Read More →


Monday May 18, 2015 4:40pm - 5:20pm
Room 114/115

Attendees (109)