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https://issues.apache.org/jira/browse/HIVE-20679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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anishek updated HIVE-20679:
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Attachment: HIVE-20679.7.patch
> DDL operations on hive might create large messages for DBNotification
> ---------------------------------------------------------------------
>
> Key: HIVE-20679
> URL: https://issues.apache.org/jira/browse/HIVE-20679
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.1.0
> Reporter: anishek
> Assignee: anishek
> Priority: Major
> Attachments: HIVE-20679.1.patch, HIVE-20679.2.patch,
> HIVE-20679.3.patch, HIVE-20679.4.patch, HIVE-20679.5.patch,
> HIVE-20679.6.patch, HIVE-20679.7.patch, a.sql, b.sql
>
>
> Certain type of ddl operations might create large messages as part of
> DBNoitification, this might lead to the rdbms throwing an error when storing
> the message since its size is to large. It will also increase the footprint
> of the rdbms space usage.
> We should try store compressed messages to allow handling these situations.
> Edit: For notification_log table the message column for all supported
> databases can store messages from 2GB to 4GB
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