Erick Erickson created SOLR-9731:
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Summary: Add jvm-wide JMX statistics for Solr
Key: SOLR-9731
URL: https://issues.apache.org/jira/browse/SOLR-9731
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Erick Erickson
The statistics that can currently be gathered via JMX tend to be core-specific,
making monitoring "how is the Solr node doing" harder than it needs to be. This
JIRA is about exploring what it would take for instance-wide statistics to be
JMX-enabled.
I'm imagining cumulative stats like:
> How many Solr<->Solr communications errors have there been?
> How many Solr<->ZK communication errors have there been
> How many full synchronizations have happened across all replicas?
> Operations people, fill in your favorite health monitoring bit here.
What do people think? Is JMX even the right thing? We have an admin end-point
for gathering information, but that's not as "operations friendly".
I'm open to any suggestions for how/where to implement this, whether there are
any huge "gotchas", bottleneck concerns, etc.
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