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Posted to issues@hive.apache.org by "anishek (JIRA)" <ji...@apache.org> on 2017/09/01 00:10:05 UTC

[jira] [Updated] (HIVE-17420) bootstrap - get replid before object dump

     [ https://issues.apache.org/jira/browse/HIVE-17420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

anishek updated HIVE-17420:
---------------------------
    Attachment: HIVE-17420.2.patch

> bootstrap - get replid before object dump
> -----------------------------------------
>
>                 Key: HIVE-17420
>                 URL: https://issues.apache.org/jira/browse/HIVE-17420
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: anishek
>            Assignee: anishek
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17420.1.patch, HIVE-17420.2.patch
>
>
> when we do the bootstrap dump, the idea is that we take note of the replication id of a object (table in case of this bug) and then request the table metadata from the rdbms which is then serialized to _metadata file for the table containing lastReplicationId + table metadata.
> This is to make sure that we only apply events after the event id in _metadata on the table, which implies that its best to order the call to get currentReplicationId and tablemetadata retrieval in the event of multiple concurrent operations happening on the same table along with bootstrap.



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