[jira] [Updated] (HIVE-18752) HiveEndPoint: Optimise metastore calls to open transactions batch and allocate write Ids.

["Vineet Garg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-18752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vineet Garg updated HIVE-18752:
-------------------------------
    Fix Version/s:     (was: 3.0.0)
                   3.1.0

Deferring this to 3.1.0 since the branch for 3.0.0 has been cut off. Please update the JIRA if you would like to get your patch in 3.0.0.

> HiveEndPoint: Optimise metastore calls to open transactions batch and allocate write Ids.
> -----------------------------------------------------------------------------------------
>
>                 Key: HIVE-18752
>                 URL: https://issues.apache.org/jira/browse/HIVE-18752
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2, Metastore
>    Affects Versions: 3.0.0
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>            Priority: Major
>              Labels: ACID, Metastore, Streaming
>             Fix For: 3.1.0
>
>
> Per table write ID implementation (HIVE-18192) have introduced write ID and maps it against the txn.
> Now, for streaming ingest, we need to open txns batch and then allocate write id for each txn in the batch which is 2 metastore calls.
> This can be optimised to use only one metastore api.



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