Simon Bence created NIFI-12236:
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Summary: 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
Affects Versions: 2.latest
Reporter: Simon Bence
Assignee: Simon Bence
Fix For: 2.latest
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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