[jira] [Updated] (HDDS-16497) Support passing Hadoop Call ThreadLocal context to Ratis during query

["Ivan Andika (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-16497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Andika updated HDDS-16497:
-------------------------------
    Summary: Support passing Hadoop Call ThreadLocal context to Ratis during query  (was: Support passing Hadoop Call context to Ratis during query)

> Support passing Hadoop Call ThreadLocal context to Ratis during query
> ---------------------------------------------------------------------
>
>                 Key: HDDS-16497
>                 URL: https://issues.apache.org/jira/browse/HDDS-16497
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Ivan Andika
>            Assignee: Ivan Andika
>            Priority: Critical
>
> While working on HDDS-15089, encountered an NPE issue that was caused by null 
> Server.getRemoteUser() in OzoneManager#getS3VolumeContext. This reason is that Ratis would call StateMachine#query in a separate thread (under RaftServerImpl#clientExecutor). Therefore, the ThreadLocal CurrCall which is used by Server.getRemoteUser(). This affects all read requests submitted to Ratis that require using ThreadLocal one way or another.
>  
> We need a way to propagate the Server#getCurrcall ThreadLocal context to the StateMachine#query.
>  
> *Note this suggests that follower read feature is not production ready until this is resolved.*



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