Paul McArthur created SOLR-16793:
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Summary: Overseer queue length metrics report the same value for
all queues
Key: SOLR-16793
URL: https://issues.apache.org/jira/browse/SOLR-16793
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: metrics
Affects Versions: 8.6
Reporter: Paul McArthur
We observe that the reported queue length metrics for the Overseer's state
update and collection work queues are always identical.
I believe the cause is a shared instance of the Stats class that the Overseer
injects into the ZkDistributedQueue instances for each of it's queues. The
Stats class is only able to keep track of the length of one queue however, and
this value would be clobbered whenever any of the ZkDistributedQueue instances
updates it.
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