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https://issues.apache.org/jira/browse/HBASE-28540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Istvan Toth resolved HBASE-28540.
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Fix Version/s: 2.7.0
3.0.0-beta-2
2.6.1
2.5.9
Resolution: Fixed
> Cache Results in org.apache.hadoop.hbase.rest.client.RemoteHTable.Scanner
> -------------------------------------------------------------------------
>
> Key: HBASE-28540
> URL: https://issues.apache.org/jira/browse/HBASE-28540
> Project: HBase
> Issue Type: Improvement
> Components: REST
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.1, 2.5.9
>
>
> The implementation of org.apache.hadoop.hbase.rest.client.RemoteHTable.Scanner
> is very inefficient, as the standard next() methods makes separate a http
> request for each row.
> Performance can be improved by not specifying the row count in the REST call
> and caching the returned Results.
> Chunk size can still be influenced by scan.setBatch();
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