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https://issues.apache.org/jira/browse/HADOOP-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated HADOOP-8852:
-------------------------------------
Description:
Update 2:
DelegationTokenRenewer is not required. The filesystems that are using it
already have Krb tickets and do not need tokens. Remove DelegationTokenRenewer
and all the related logic from WebHdfs and Hftp filesystems.
Update1:
DelegationTokenRenewer should be Singleton - the instance and renewer threads
should be created/started lazily. The filesystems using the renewer shouldn't
need to explicity start/stop the renewer, and only register/de-register for
token renewal.
Original issue:
HftpFileSystem and WebHdfsFileSystem should stop the DelegationTokenRenewer
thread when they are closed.
was:
Updated description:
DelegationTokenRenewer should be Singleton - the instance and renewer threads
should be created/started lazily. The filesystems using the renewer shouldn't
need to explicity start/stop the renewer, and only register/de-register for
token renewal.
Original issue:
HftpFileSystem and WebHdfsFileSystem should stop the DelegationTokenRenewer
thread when they are closed.
> Remove DelegationTokenRenewer
> -----------------------------
>
> Key: HADOOP-8852
> URL: https://issues.apache.org/jira/browse/HADOOP-8852
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha
> Reporter: Tom White
> Assignee: Karthik Kambatla
> Attachments: hadoop-8852.patch, hadoop-8852.patch,
> hadoop-8852-v1.patch
>
>
> Update 2:
> DelegationTokenRenewer is not required. The filesystems that are using it
> already have Krb tickets and do not need tokens. Remove
> DelegationTokenRenewer and all the related logic from WebHdfs and Hftp
> filesystems.
> Update1:
> DelegationTokenRenewer should be Singleton - the instance and renewer threads
> should be created/started lazily. The filesystems using the renewer shouldn't
> need to explicity start/stop the renewer, and only register/de-register for
> token renewal.
> Original issue:
> HftpFileSystem and WebHdfsFileSystem should stop the DelegationTokenRenewer
> thread when they are closed.
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