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From Jordan Zimmerman <jzimmer...@netflix.com>
Subject Re: cluster member was switched to standalone, detectable?
Date Fri, 18 May 2012 18:51:00 GMT
ZooKeeper has a telnet style interface for periodic querying.

You could also use Exhibitor and query it's REST API periodically. I
should probably add alerting to Exhibitor for this kind of thing.

-JZ

On 5/18/12 10:34 AM, "Adam Rosien" <adam@rosien.net> wrote:

>We have a 5-member 3.3.3 cluster. One of the node's configurations was
>accidentally changed, and that node went into "standalone" mode, thinking
>it was a single-node cluster. However, all our zk clients still had the
>address of this server, and when connected obviously got missing or wrong
>data.
>
>Is this situation avoidable somehow?
>
>.. Adam


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