Vitaly Brodetskyi created AMBARI-5763:
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Summary: Nagios should send alert for NumberOfMissingBlocks
instead of CorruptBlocks
Key: AMBARI-5763
URL: https://issues.apache.org/jira/browse/AMBARI-5763
Project: Ambari
Issue Type: Bug
Components: agent
Reporter: Vitaly Brodetskyi
Assignee: Vitaly Brodetskyi
Fix For: 1.6.0
Nagios gets NN JMX metrics. When CorruptBlocks >0, it sends alert to the
administrator. However, the corrupted replica is not a concern, only corrupt
block should be a alert. Corrupt replica happens often in some environments and
this alert misleads some customers to think the data is lost.
The JMX metric "NumberOfMissingBlocks" is for corrupt block.
We want to do the following changes for Nagios alerting:
1) checks NumberOfMissingBlocks and sends alert when it's not zero. (already
doing this in current Ambari code??)
2) doesn't send alert for "CorruptBlocks" value change.
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