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https://issues.apache.org/jira/browse/HBASE-832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans updated HBASE-832:
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Attachment: hbase-832-v1.patch
Patch that attempts at comparing rows from META and ROOT differently. Please
review.
> Problem with row keys beginnig with characters < than ',' and the region
> location cache
> ---------------------------------------------------------------------------------------
>
> Key: HBASE-832
> URL: https://issues.apache.org/jira/browse/HBASE-832
> Project: Hadoop HBase
> Issue Type: Bug
> Components: client, regionserver
> Affects Versions: 0.2.0
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.2.1, 0.18.0
>
> Attachments: hbase-832-v1.patch
>
>
> We currently have a problem the way we design .META. row keys. When user
> table row keys begin with characters lesser than ',' like a '$', any
> operation will fail when:
> - A client has a certain set of regions in cache
> - One region with the faulty row key splits
> - The client receives a request for a row in the split region
> The reason is that it will first get a NSRE then it will try to locate a
> region using the passed row key. For example:
> Row in META: entities,,1216750777411
> Row passed: entities,$-94f9386f-e235-4cbd-aacc-37210a870991,99999999999999
> The passed row is lesser then the row in .META.
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