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https://issues.apache.org/jira/browse/IMPALA-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-2129:
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Epic Link: IMPALA-8937
> Catalogd support to load only table/column metadata
> ---------------------------------------------------
>
> Key: IMPALA-2129
> URL: https://issues.apache.org/jira/browse/IMPALA-2129
> Project: IMPALA
> Issue Type: Task
> Components: Catalog
> Affects Versions: Impala 2.0
> Reporter: Matthew Jacobs
> Priority: Major
> Labels: catalog-server
>
> In order to implement IMPALA-1761 (exposing catalog metadata as tables), we
> need the ability to load table and column metadata without loading all
> partition metadata and file metadata which can be very expensive and slow.
> This would mean that the catalog server needs to be able to load metastore
> tables and columns alone (see {{HdfsTable.load()}}) and exposes a call to do
> so from impalad backends (see {{CatalogService.thrift}}).
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