Shen Yinjie created AMBARI-25126:
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Summary: namenode may log "/ by zero" exception with ambari metrics
Key: AMBARI-25126
URL: https://issues.apache.org/jira/browse/AMBARI-25126
Project: Ambari
Issue Type: Bug
Reporter: Shen Yinjie
When there is no metrics collector works well，"/ by zero " exception is printed
in namenode logs ,which is throwed by
MetricSinkWriteShardHostnamehashingStrategy#findCollectorShard()
We should print more friendly messages instead of "/ by zero".
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