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From John Wong <>
Subject Re: What are problems with schema disagreement
Date Mon, 06 Jul 2015 20:30:13 GMT
Thanks. Yeah we typically restart the nodes in the minor version to force

But is there a problem with letting schema disagreement running for a long



On Mon, Jul 6, 2015 at 2:29 PM, Robert Coli <> wrote:

> On Thu, Jul 2, 2015 at 9:31 PM, John Wong <> wrote:
>> Hi Graham. Thanks. We are still running on 1.2.16, but we do plan to
>> upgrade in the near future. The load on the cluster at the time was very
>> very low. All nodes were responsive, except nothing was show up in the logs
>> after certain time, which led me to believe something happened internal,
>> although that was a poor wild guess.
>> But is it safe to be okay with schema disagreement? I worry about data
>> consistency if I let it sit too long.
> In general one shouldn't run with schema disagreement persistently.
> I've seen schema desynch issues on 1.2.x, in general restarting some
> unclear subset of the affected daemons made them synch.
> =Rob

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