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https://issues.apache.org/jira/browse/NIFI-1626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197933#comment-15197933
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Joseph Percivall commented on NIFI-1626:
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There should probably be a note added to the documentation about this
limitation added to the patch. Looking through the documentation, it seems like
the Admin guide is the one that discusses ZooKeeper being the default cluster
state provider and would be a good place to add a note about this limitation.
> ZooKeeper State Provider should block requests > 1 MB
> -----------------------------------------------------
>
> Key: NIFI-1626
> URL: https://issues.apache.org/jira/browse/NIFI-1626
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 0.6.0
>
> Attachments:
> 0001-NIFI-1626-Throw-an-Exception-proactively-if-too-much.patch
>
>
> ZooKeeper does not support setting data on a ZNode to a value greater than 1
> MB. However, the client doesn't does not check this - it sends the data to
> the server and lets the server reject the request. This can cause problems
> with ZooKeeper if the requests grow extremely large. As a result, we should
> prevent this from ever happening by throwing an Exception ourselves if
> attempting to set state to a value > 1 MB
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