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https://issues.apache.org/jira/browse/HIVE-24259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sankar Hariappan updated HIVE-24259:
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Component/s: Standalone Metastore
> [CachedStore] Constraints read from cache should be consistent snapshot.
> ------------------------------------------------------------------------
>
> Key: HIVE-24259
> URL: https://issues.apache.org/jira/browse/HIVE-24259
> Project: Hive
> Issue Type: Sub-task
> Components: Standalone Metastore
> Affects Versions: 4.0.0
> Reporter: Ashish Sharma
> Assignee: Ashish Sharma
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 5h 50m
> Remaining Estimate: 0h
>
> Description -
> Problem -
> 1. Redundant check if table is present or not
> 2. Currently in order to get all constraint form the cachedstore. 6 different
> call is made with in the cached store. Which led to 6 different call to raw
> store
> 3. If constraints are null and valid then also a redundant call is made to
> raw store.
>
> DOD
> 1. Create a flag which tell weather constraint snapshot is valid or not.
> 2. if incremental addition happen to any of the constraint mark snapshot as
> invalid and let updater thread to update cache with valid snapshot data.
> 3. Combine individual constraint call into one call for refresh and creation.
>
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