[
https://issues.apache.org/jira/browse/STORM-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14989878#comment-14989878
]
ASF GitHub Bot commented on STORM-1157:
---------------------------------------
Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/842#discussion_r43905569
--- Diff: STORM-UI-REST-API.md ---
@@ -636,6 +636,201 @@ Sample response:
}
```
+## Profiling and Debugging GET Operations
+
+### /api/v1/topology/:id/profiling/start/:host-port/:timeout (GET)
+
+Request to start profiler on worker with timeout. Returns status and link
to profiler artifacts for worker.
+
+|Parameter |Value |Description |
+|----------|--------|-------------|
+|id |String (required)| Topology Id |
+|:host-port |String (required)| Worker Id |
+|:timeout |String (required)| Time out for profiler to stop in minutes |
+
+Response fields:
+
+|Field |Value |Description|
+|----- |----- |-----------|
+|id | String | Worker id|
+|status | String | Response Status |
+|timeout | String | Requested timeout
+|dumplink | String | Link to logviewer URL for worker profiler documents.|
+
+Examples:
+
+```no-highlight
+1.
http://ui-daemon-host-name:8080/api/v1/topology/wordcount-1-1446614150/profiling/start/10.11.1.7:6701/10
+2.
http://ui-daemon-host-name:8080/api/v1/topology/wordcount-1-1446614150/profiling/start/10.11.1.7:6701/5
+3.
http://ui-daemon-host-name:8080/api/v1/topology/wordcount-1-1446614150/profiling/start/10.11.1.7:6701/20
+```
+
+Sample response:
+
+```json
+{
+ "status": "ok",
+ "id": "10.11.1.7:6701",
+ "timeout": "10",
+ "dumplink":
"http:\/\/10.11.1.7:8000\/dumps\/wordcount-1-1446614150\/10.11.1.7%3A6701"
+}
+```
+
+### /api/v1/topology/:id/profiling/dumpprofile/:host-port (GET)
+
+Request to dump profiler recording on worker. Returns status and worker id
for the request.
+
+|Parameter |Value |Description |
+|----------|--------|-------------|
+|id |String (required)| Topology Id |
+|:host-port |String (required)| Worker Id |
+
+Response fields:
+
+|Field |Value |Description|
+|----- |----- |-----------|
+|id | String | Worker id|
+|status | String | Response Status |
+
+Examples:
+
+```no-highlight
+1.
http://ui-daemon-host-name:8080/api/v1/topology/wordcount-1-1446614150/profiling/dumpprofile/10.11.1.7:6701
+```
+
+Sample response:
+
+```json
+{
+ "status": "ok",
+ "id": "10.11.1.7:6701",
+}
+```
+
+### /api/v1/topology/:id/profiling/stop/:host-port (GET)
+
+Request to stop profiler on worker. Returns status and worker id for the
request.
+
+|Parameter |Value |Description |
+|----------|--------|-------------|
+|id |String (required)| Topology Id |
--- End diff --
And here
> Dynamic Worker Profiler - jmap, jstack, profiling and restarting worker
> -----------------------------------------------------------------------
>
> Key: STORM-1157
> URL: https://issues.apache.org/jira/browse/STORM-1157
> Project: Apache Storm
> Issue Type: Improvement
> Components: storm-core
> Reporter: Kishor Patil
> Assignee: Kishor Patil
>
> In multi-tenant mode, storm launches long-running JVMs across cluster without
> sudo access to user. Self-serving of Java heap-dumps, jstacks and java
> profiling of these JVMs would improve users' ability to analyze and debug
> issues when monitoring it actively.
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