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https://issues.apache.org/jira/browse/ATLAS-1527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Madhan Neethiraj updated ATLAS-1527:
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Fix Version/s: 0.8-incubating
Component/s: atlas-core
Committed to master:
http://git-wip-us.apache.org/repos/asf/atlas/commit/1e105174
> Batch entity retrievals in DefaultMetadataService.loadEntities
> --------------------------------------------------------------
>
> Key: ATLAS-1527
> URL: https://issues.apache.org/jira/browse/ATLAS-1527
> Project: Atlas
> Issue Type: Improvement
> Components: atlas-core
> Reporter: Wojciech Wojcik
> Assignee: Wojciech Wojcik
> Priority: Minor
> Fix For: 0.8-incubating
>
> Attachments: rb56324.patch
>
>
> DefaultMetadataService.loadEntities() is called at the conclusion of entity
> creation and update, to load the created/updated entities which are passed to
> the EntityChangeListener's. The entities are being loaded one at time,
> because MetadataRepository does not expose a method to retrieve multiple
> entities by GUID. MetadataRepository can be enhanced to provide a
> getEntityDefinitions() entrypoint, and the implementation in
> GraphBackedMetadataRepository can batch the vertex retrievals using
> GraphHelper.getVerticesForGUIDs(). This will reduce the graph calls to
> retrieve the vertices.
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