Geoffrey Jacoby created HBASE-16448:
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Summary: Custom metrics for custom replication endpoints
Key: HBASE-16448
URL: https://issues.apache.org/jira/browse/HBASE-16448
Project: HBase
Issue Type: Improvement
Components: Replication
Affects Versions: 0.98.21, 1.2.2, 2.0.0
Reporter: Geoffrey Jacoby
Assignee: Geoffrey Jacoby
ReplicationEndpoints contain a MetricsSource class that can update a fixed set
of key replication metrics. It does not, however, allow a developer
implementing a custom ReplicationEndpoint to create/update custom metrics
unique to the new endpoint's use case.
As it turns out, MetricsSource wraps a class, which in turn wraps a class, that
implements the Hadoop BaseSource interface, which does allow for custom
metrics. Simply having the two wrappers implement BaseSource as well with
pass-through methods should be straightforward, and would allow replication
endpoints to use these generic metric methods.
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