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https://issues.apache.org/jira/browse/HIVE-20679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16654643#comment-16654643
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ASF GitHub Bot commented on HIVE-20679:
---------------------------------------
GitHub user anishek opened a pull request:
https://github.com/apache/hive/pull/449
HIVE-20679: DDL operations on hive might create large messages for
DBNotification
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/anishek/hive HIVE-20679
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hive/pull/449.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #449
----
commit 9767cec4e7eb9d05afa6ac6f9279a6358cd50815
Author: Anishek Agarwal <anishek@...>
Date: 2018-10-03T09:28:40Z
HIVE-20679: DDL operations on hive might create large messages for
DBNotification
----
> 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
> Labels: pull-request-available
> 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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