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https://issues.apache.org/jira/browse/HBASE-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918208#action_12918208
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Jonathan Gray commented on HBASE-2328:
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Anyone want to do this for 0.90 this week?
> Make important configurations more obvious to new users
> -------------------------------------------------------
>
> Key: HBASE-2328
> URL: https://issues.apache.org/jira/browse/HBASE-2328
> Project: HBase
> Issue Type: Improvement
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.0
>
>
> Over the last 2 weeks, I encountered many situations where people didn't set
> file descriptors and xcievers higher and that was causing a ton of problems
> that are hard to debug if you're not used to them. To improve that we should:
> - Refuse to start HBase if ulimit -n returns some small number smaller than
> 2048, or at least print out in big red blinking letters that the current
> configuration is bad and then link to a simple troubleshooting entry on the
> wiki.
> - Write a clearer Getting Started document where we don't give as much
> explanations but add more stuff like "this is what your
> hbase-site.xml/hdfs-site/xml should look like now" and give a complete file
> example. At this point we don't even give a number for xcievers and we expect
> new users to come up with one.
> Any other low hanging fruit others can think of?
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