[
https://issues.apache.org/jira/browse/HIVE-24259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sankar Hariappan resolved HIVE-24259.
-------------------------------------
Target Version/s: 4.0.0
Resolution: Fixed
Patch merged to master.
Thanks [~ashish-kumar-sharma] for the patch and [~adeshrao] for the review!
> [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
> Fix For: 4.0.0
>
> 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.
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
