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https://issues.apache.org/jira/browse/YARN-9746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junfan Zhang updated YARN-9746:
-------------------------------
Attachment: YARN-9746-01.patch
> Rm should only rewrite partial jobConf passed by app when supporting
> multi-cluster token renew
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-9746
> URL: https://issues.apache.org/jira/browse/YARN-9746
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Junfan Zhang
> Priority: Major
> Attachments: YARN-9746-01.patch
>
>
> This issue links to YARN-5910.
> When to support multi-cluster delegation token renew, the path of YARN-5910
> works in most scenarios.
> But when intergrating with Oozie, we encounter some problems. In Oozie having
> multi delegation tokens including HDFS_DELEGATION_TOKEN(another cluster HA
> token) and MR_DELEGATION_TOKEN(Oozie mr launcher token), to support renew
> another cluster's token, YARN-5910 was patched and related config was set.
> The config is as follows
> {code:xml}
> <property>
> <name>mapreduce.job.send-token-conf</name>
>
> <value>dfs.namenode.kerberos.principal|dfs.nameservices|^dfs.namenode.rpc-address.*$|^dfs.ha.namenodes.*$|^dfs.client.failover.proxy.provider.*$</value>
> </property>
> <property>
> <name>dfs.nameservices</name>
>
> <value>hadoop-clusterA-ns01,hadoop-clusterA-ns02,hadoop-clusterA-ns03,hadoop-clusterA-ns04,hadoop-clusterB-ns01,hadoop-clusterB-ns02,hadoop-clusterB-ns03,hadoop-clusterB-ns04</value>
> </property>
> <property>
> <name>dfs.ha.namenodes.hadoop-clusterB-ns01</name>
> <value>nn1,nn2</value>
> </property>
> <property>
>
> <name>dfs.namenode.rpc-address.hadoop-clusterB-ns01.nn1</name>
> <value>namenode01-clusterB.qiyi.hadoop:8020</value>
> </property>
> <property>
>
> <name>dfs.namenode.rpc-address.hadoop-clusterB-ns01.nn2</name>
> <value>namenode02-clusterB.qiyi.hadoop:8020</value>
> </property>
> <property>
>
> <name>dfs.client.failover.proxy.provider.hadoop-clusterB-ns01</name>
>
> <value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>
> </property>
> {code}
> However, the MR_DELEGATION_TOKEN could‘t be renewed, because of lacking some
> config. Although we can set the required configurations through the app, this
> is not a good idea. So i think rm should only rewrite the jobConf passed by
> app to solve the above situation.
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