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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12899) HBase should prefix htrace configuration keys with "hbase.htrace" rather than just "hbase."
Date Thu, 22 Jan 2015 01:18:35 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HBASE-12899:
-----------------------------------------
    Attachment: HBASE-12899.002.patch

OK.  We can set the new configuration keys when we see the old ones, and print a warning,
if that's helpful.  Here is a new patch that does this.  We know which config keys existed
in the pre-3.1 world, so we can just include deprecations for those.

> HBase should prefix htrace configuration keys with "hbase.htrace" rather than just "hbase."
> -------------------------------------------------------------------------------------------
>
>                 Key: HBASE-12899
>                 URL: https://issues.apache.org/jira/browse/HBASE-12899
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 1.0.0
>            Reporter: Colin Patrick McCabe
>         Attachments: HBASE-12899.001.patch, HBASE-12899.002.patch
>
>
> In Hadoop, we pass all configuration keys starting with "hadoop.htrace" to htrace.  So
"hadoop.htrace.sampler.fraction" gets passed to HTrace as sampler.fraction, and so forth.
> For consistency, it seems like HBase should prefix htrace configuration keys with "hbase.htrace"
rather than just "hbase."



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