[jira] [Commented] (ZOOKEEPER-2240) Make the three-node minimum more explicit in documentation and on website

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15047414#comment-15047414 ] 

Hadoop QA commented on ZOOKEEPER-2240:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12776378/zookeeperStarted.pdf
  against trunk revision 1718511.

    +1 @author.  The patch does not contain any @author tags.

    +0 tests included.  The patch appears to be a documentation patch that doesn't require tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/2987//console

This message is automatically generated.

> Make the three-node minimum more explicit in documentation and on website
> -------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2240
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2240
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Shawn Heisey
>            Assignee: Arshad Mohammad
>            Priority: Trivial
>             Fix For: 3.4.8, 3.5.2, 3.6.0
>
>         Attachments: ZOOKEEPER-2240-03.patch, ZOOKEEPER-2240.patch, ZOOKEEPER-2240.patch, zookeeperAdmin.pdf, zookeeperStarted.pdf
>
>
> One of the most important parts of a production zookeeper deployment is the three-node minimum requirement for fault tolerance ... but when I glance at the website and the documentation, this requirement is difficult to actually find.
> It is buried deep in the admin documentation, in a sentence that says "Thus, a deployment that consists of three machines can handle one failure, and a deployment of five machines can handle two failures."  Other parts of the documentation hint at it, but nothing that I've seen comes out and explicitly says it.
> Ideally, documentation about this requirement would be in a location where it can be easily pinpointed with a targeted URL, so I can point to ZK documentation with a link and clearly tell SolrCloud users that this is a real requirement.
> If someone can point me to version control locations where I can check out or clone the docs and the website, I'm happy to attempt a patch.



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