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https://issues.apache.org/jira/browse/YARN-9152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726275#comment-16726275
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Billie Rinaldi commented on YARN-9152:
--------------------------------------
It looks like the services were empty because there was an admin user check.
Aux service name, version, and start time could be viewed by non-admin users,
so I have attached a patch that removes that check. I also noticed an issue
with json serialization for the auxiliaryservices endpoint, so I fixed that as
well.
> Auxiliary service REST API query does not return running services
> -----------------------------------------------------------------
>
> Key: YARN-9152
> URL: https://issues.apache.org/jira/browse/YARN-9152
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Yang
> Assignee: Billie Rinaldi
> Priority: Major
> Attachments: YARN-9152.1.patch
>
>
> Auxiliary service is configured with:
> {code}
> {
> "services": [
> {
> "name": "mapreduce_shuffle",
> "version": "2",
> "configuration": {
> "properties": {
> "class.name": "org.apache.hadoop.mapred.ShuffleHandler",
> "mapreduce.shuffle.transfer.buffer.size": "102400",
> "mapreduce.shuffle.port": "13563"
> }
> }
> }
> ]
> }
> {code}
> Node manager log shows the service is registered:
> {code}
> 2018-12-19 22:38:57,466 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
> Reading auxiliary services manifest hdfs:/tmp/aux.json
> 2018-12-19 22:38:57,827 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
> Initialized auxiliary service mapreduce_shuffle
> 2018-12-19 22:38:57,828 INFO
> org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
> Adding auxiliary service mapreduce_shuffle version 2
> {code}
> REST API query shows:
> {code}
> $ curl --negotiate -u :
> http://eyang-3.openstacklocal:8042/ws/v1/node/auxiliaryservices
> {"services":{}}
> {code}
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