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https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667213#comment-16667213
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mahesh kumar behera commented on HIVE-18661:
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[~vgumashta]
Can you please review the patch
> CachedStore: Use metastore notification log events to update cache
> ------------------------------------------------------------------
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
> Issue Type: Sub-task
> Components: Metastore
> Reporter: Vaibhav Gumashta
> Assignee: mahesh kumar behera
> Priority: Major
> Attachments: HIVE-18661.02.patch
>
>
> Currently, a background thread updates the entire cache which is pretty
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table
> which is getting used in the Replication work. We should have the background
> thread apply these notifications to incrementally update the cache.
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