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https://issues.apache.org/jira/browse/IMPALA-14896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Csaba Ringhofer resolved IMPALA-14896.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Avoid extra GetPartialCatalogObject calls in Icebert table loading
> ------------------------------------------------------------------
>
> Key: IMPALA-14896
> URL: https://issues.apache.org/jira/browse/IMPALA-14896
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog, Frontend
> Reporter: Csaba Ringhofer
> Assignee: Csaba Ringhofer
> Priority: Major
> Labels: iceberg
> Fix For: Impala 5.0.0
>
>
> Currently loading an Iceberg table loads 5 cache object and lead to 5
> GetPartialCatalogObject RPCs:
> 1. CatalogdMetaProvider.loadTable()
> 2. CatalogdMetaProvider.loadIcebergTable()
> 3. CatalogdMetaProvider.loadTableColumnStatistics()
> 4. CatalogdMetaProvider.loadPartitionList()
> 5. CatalogdMetaProvider.loadPartitionsByRefs()
> 4 and 5 return dummy result in Iceberg and could be skipped
> https://gerrit.cloudera.org/#/c/24049/ is POC patch and implements this
> among other things,
> Note that IMPALA-14806 / https://gerrit.cloudera.org/#/c/24177/ adds an extra
> call (CatalogdMetaProvider.loadIcebergContentFileStore)
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