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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2328) Make important configurations more obvious to new users
Date Fri, 12 Nov 2010 02:09:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ryan rawson updated HBASE-2328:
-------------------------------

    Attachment: HBASE-2328.txt

here are some of my contributions. Including 'how to make ulimit work on ubuntu'

> 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
>          Components: documentation
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.90.0
>
>         Attachments: HBASE-2328.txt, notsoquick.html
>
>
> 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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