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https://issues.apache.org/jira/browse/STORM-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14588737#comment-14588737
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ASF GitHub Bot commented on STORM-862:
--------------------------------------
Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/589#discussion_r32567961
--- Diff: storm-core/src/jvm/backtype/storm/Config.java ---
@@ -1087,6 +1087,17 @@
public static final String TOPOLOGY_METRICS_CONSUMER_REGISTER =
"topology.metrics.consumer.register";
public static final Object TOPOLOGY_METRICS_CONSUMER_REGISTER_SCHEMA =
ConfigValidation.MapsValidator;
+ /**
+ * A map of metric name to class name implementing IMetric that will
be created once per worker JVM
+ */
+ public static final String TOPOLOGY_WORKER_METRICS =
"topology.worker.metrics";
+ public static final Object TOPOLOGY_WORKER_METRICS_SCHEMA = Map.class;
+
+ /**
--- End diff --
It would be better to explain the intention from source code comment or
configuration file, or doc, since users can't know that easily.
> Pluggable System Metrics
> ------------------------
>
> Key: STORM-862
> URL: https://issues.apache.org/jira/browse/STORM-862
> Project: Apache Storm
> Issue Type: New Feature
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
>
> I really wold be nice to have pluggable metrics for the __system bolt that
> would collect metrics for the entire JVM.
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