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From Jon Bringhurst <jbringhu...@linkedin.com.INVALID>
Subject Re: Tools for grokking zookeeper's txn log
Date Mon, 11 May 2015 15:17:36 GMT
This looks really neat. Thank you!


> On May 11, 2015, at 3:56 AM, Ivan Kelly <ivank@apache.org> wrote:
> Hi folks,
> I recently opensourced some tools we've been using to pull info from
> the transaction log and snapshot when trying to track down bugs.
> The first tool, ZkTimemachine allows you to get a dump of the
> zookeeper state at any point in the past (which you still have the
> logs for).
> The second, GrepOps, allows you to grep through the ops in the txn log
> for a particular session, path or time range, or any of the above.
> They can be downloaded from: https://github.com/midonet/zktimemachine
> Also also wrote a blog post about their origin in case anyone is interested.
> https://medium.com/@ivankelly/mining-zookeeper-s-transaction-log-to-track-down-bugs-63b4c653bb6
> -Ivan

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