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https://issues.apache.org/jira/browse/HBASE-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl closed HBASE-6244.
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> [REST] Result generators do not need to query table schema
> ----------------------------------------------------------
>
> Key: HBASE-6244
> URL: https://issues.apache.org/jira/browse/HBASE-6244
> Project: HBase
> Issue Type: Improvement
> Components: REST
> Affects Versions: 0.92.2, 0.94.1, 0.96.0
> Reporter: ShiXing
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 0.92.2, 0.94.1, 0.96.0
>
> Attachments: 6244-0.94.patch, 6244.patch
>
>
> Now, the RowResultGenerator and the ScanerResultGenerator will fit the column
> family if the request doesn't contain any column info.
> {code}
> if (rowspec.hasColumns()) {
> //addColumn for get or scan
> } else {
> for (HColumnDescriptor family:
> table.getTableDescriptor().getFamilies()) {
> scan/get.addFamily(family.getName());
> }
> }
> {code}
> The table.getTableDescriptor() will cost 10+ milliseconds in our hbase
> cluster each request. We can remove these code because the server will auto
> add the columns.
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