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https://issues.apache.org/jira/browse/HBASE-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716382#action_12716382
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Andrew Purtell commented on HBASE-1482:
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HTable.exists() ?
> Provide fast doesExist() method to avoid get() != null calls
> ------------------------------------------------------------
>
> Key: HBASE-1482
> URL: https://issues.apache.org/jira/browse/HBASE-1482
> Project: Hadoop HBase
> Issue Type: Improvement
> Affects Versions: 0.19.3
> Reporter: Lars George
> Fix For: 0.21.0
>
>
> Currently one has to use get() != null checks to see if a specific column has
> a value for any given row. But this involves the whole load and transfer
> stack to shift the data to the client just for it to drop the content. Better
> would be a server side check and only returning the boolean back to the
> client, especially if the checked cell is containing MB's of data.
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