CG Outage 2013-01-12

Dan Kamins's Avatar

Dan Kamins

13 Jan, 2013 08:16 AM

We're once again seeing fairly consistent connection errors to CG for the last ~3 hours (starting around 2013-01-12 20:30 PST).
Mostly Curl error #28 "SSL connection timeout".

Our connection timeout remains unchanged in our PHP client library at the default of 10 seconds. It would be unfortunate if we needed to relax the connection timeout to an even longer period than that.

Is this a known issue? The amount and frequency of downtime recently is concerning.

  1. Support Staff 1 Posted by Marc Guyer on 13 Jan, 2013 10:28 AM

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    Hi Dan -- We're aware of the issue and we're working on it.

  2. Support Staff 2 Posted by Marc Guyer on 13 Jan, 2013 11:05 AM

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    There's an apparent hardware failure. We're setting up for failover while we verify with Rackspace.

  3. 3 Posted by Dan Kamins on 13 Jan, 2013 06:34 PM

    Dan Kamins's Avatar

    Thank you for the update. Can you speak to the scope of the problem?

    I.e. the web interface seems to be mostly working (but the graph is flat and showing strange large negative numbers of credits in the dashboard). Is the problem limited to API? Certain API calls? Is there any data loss?

  4. Support Staff 4 Posted by Marc Guyer on 13 Jan, 2013 07:37 PM

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    Hi Dan -- No data loss that we're aware of. The failover was clean. Accuracy of the slave data was verified as of yesterday afternoon. We're looking into the trouble with the graphs.

    Also, the connection failures you recently experienced (10 days ago?) were likely due to this problem as well. It seems that IO on this particular server had been degrading over time until the load just couldn't take it anymore.

    We'll prepare and blog a post-mortem as soon as we can.

  5. Dean closed this discussion on 31 Jan, 2013 09:56 PM.

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