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https://issues.apache.org/jira/browse/NIFI-12236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17794395#comment-17794395
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Pierre Villard commented on NIFI-12236:
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Thanks David, this is definitely a nice improvement and will make things much
better.
> Improving fault tolerancy of the QuestDB backed metrics repository
> ------------------------------------------------------------------
>
> Key: NIFI-12236
> URL: https://issues.apache.org/jira/browse/NIFI-12236
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Simon Bence
> Assignee: Simon Bence
> Priority: Major
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Based on the related discussion on the dev email list, the QuestDB handling
> of the metrics repository needs to be improved to have better fault tolerance
> in order to be possible to use as a viable option for default metrics data
> store. This should primarily focus on handling unexpeted database events like
> corrupted database or loss of space on the disk. Any issues should be handled
> with an attempt to keep the database service healthy but in case of that is
> impossible, the priority is to keep NiFi and the core services running, even
> with the price of metrics collection / presentation outage.
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