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https://issues.apache.org/jira/browse/HADOOP-9574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated HADOOP-9574:
----------------------------

    Summary: Add new methods in AbstractDelegationTokenSecretManager for 
restoring RMDelegationTokens on RMRestart  (was: Adding new methods in 
AbstractDelegationTokenSecretManager for restoring RMDelegationTokens on 
RMRestart)
    
> Add new methods in AbstractDelegationTokenSecretManager for restoring 
> RMDelegationTokens on RMRestart
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9574
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9574
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Jian He
>
> we're considering to add the following methods in 
> AbstractDelegationTokenSecretManager for restoring RMDelegationTokens, these 
> methods can also possibly be reused by hdfsDelegationTokenSecretManager, see 
> YARN-638
>   protected void storeNewMasterKey(DelegationKey key) throws IOException {
>     return;
>   }
>   protected void removeStoredMasterKey(DelegationKey key) {
>     return;
>   }
>   protected void storeNewToken(TokenIdent ident, long renewDate) {
>     return;
>   }
>   protected void removeStoredToken(TokenIdent ident) throws IOException {
>   }
>   protected void updateStoredToken(TokenIdent ident, long renewDate) {
>     return;
>   }

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