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https://issues.apache.org/jira/browse/SPARK-26311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715660#comment-16715660
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ASF GitHub Bot commented on SPARK-26311:
----------------------------------------
vanzin commented on a change in pull request #23260: [SPARK-26311][YARN] New
feature: custom log URL for stdout/stderr
URL: https://github.com/apache/spark/pull/23260#discussion_r240400867
##########
File path: docs/running-on-yarn.md
##########
@@ -430,6 +430,21 @@ To use a custom metrics.properties for the application
master and executors, upd
See <code>spark.yarn.config.gatewayPath</code>.
</td>
</tr>
+<tr>
+ <td><code>spark.yarn.custom.log.url</code></td>
+ <td>(none)</td>
+ <td>
+ Specifies custom spark log url for supporting external log service rather
than NodeManager webapp address.
+ Spark will support some path variables via patterns. Supported patterns and
allocated values are below: <p/>
+ <p/>
+ * `{{HttpScheme}}`: `http`/`https` according to YARN HTTP policy.
(Configured via `yarn.http.policy`)<p/>
+ * `{{NodeHttpAddress}}`: HTTP URI of the node on Container.<p/>
Review comment:
Is this the full address of the NM HTTP server? Because it feels a little
conflicting with the above variable.
Also I'm not sure what "node on container" means. Perhaps "node where
container was run".
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> [YARN] New feature: custom log URL for stdout/stderr
> ----------------------------------------------------
>
> Key: SPARK-26311
> URL: https://issues.apache.org/jira/browse/SPARK-26311
> Project: Spark
> Issue Type: Improvement
> Components: YARN
> Affects Versions: 2.4.0
> Reporter: Jungtaek Lim
> Priority: Major
>
> Spark has been setting static log URLs for YARN application, which points to
> NodeManager webapp. Normally it would work for both running apps and finished
> apps, but there're also other approaches on maintaining application logs,
> like having external log service which enables to avoid application log url
> to be a deadlink when NodeManager is not accessible. (Node decommissioned,
> elastic nodes, etc.)
> Spark can provide a new configuration for custom log url on YARN mode, which
> end users can set it properly to point application log to external log
> service.
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