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https://issues.apache.org/jira/browse/APEXCORE-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15267766#comment-15267766
]
ASF GitHub Bot commented on APEXCORE-330:
-----------------------------------------
Github user davidyan74 commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/321#discussion_r61824191
--- Diff: engine/src/main/java/com/datatorrent/stram/StramUtils.java ---
@@ -81,4 +89,48 @@
}
}
+ public static JSONObject getJsonFormat()
+ {
+ Map<Thread, StackTraceElement[]> stackTraces =
Thread.getAllStackTraces();
+
+ JSONObject jsonObject = new JSONObject();
+ JSONArray jsonArray = new JSONArray();
+
+ for (Map.Entry<Thread,StackTraceElement[]> elements :
stackTraces.entrySet()) {
+
+ JSONObject jsonThreads = new JSONObject();
+
+ Thread thread = elements.getKey();
+
+ try {
+
+ jsonThreads.put("name", thread.getName());
+ jsonThreads.put("state", thread.getState());
+ jsonThreads.put("id", thread.getId());
+
+ JSONArray stacks = new JSONArray();
--- End diff --
stacks -> stackTraceElements
> Ability to obtain a thread dump from a container
> ------------------------------------------------
>
> Key: APEXCORE-330
> URL: https://issues.apache.org/jira/browse/APEXCORE-330
> Project: Apache Apex Core
> Issue Type: Improvement
> Reporter: Thomas Weise
> Assignee: Sandesh
>
> To analyze issues such as "stuck operator", it is useful to obtain stats from
> the running JVM. Often needed are GC stats and thread dump. In production
> environments users often don't have direct access to the machines, making it
> available through the REST API will help.
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