[jira] [Updated] (KUDU-2580) C++ client does not re-acquire authn token in some scenarios in case of multi-master Kudu cluster

["Alexey Serbin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-2580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Serbin updated KUDU-2580:
--------------------------------
    Code Review: http://gerrit.cloudera.org:8080/11449

> C++ client does not re-acquire authn token in some scenarios in case of multi-master Kudu cluster
> -------------------------------------------------------------------------------------------------
>
>                 Key: KUDU-2580
>                 URL: https://issues.apache.org/jira/browse/KUDU-2580
>             Project: Kudu
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.4.0, 1.5.0, 1.6.0, 1.7.0, 1.7.1
>            Reporter: Alexey Serbin
>            Assignee: Alexey Serbin
>            Priority: Major
>
> In case of multi-master Kudu cluster, the C++ client fails to re-acquire authn token in the following scenario:
> # Client is running against a multi-master cluster.
> # Client successfully authenticates and gets an authn token by calling ConnectToCluster.
> # Client keeps the connection to leader master open, but follower masters close connections to the client due to inactivity.
> # After the authn token expires, a change in the master leadership happens.
> # Client tries to open a table, first making a request to the former leader master.  However, the former leader returns NOT_THE_LEADER error.
> Eventually, the latter operation fails out with the following error:
> {{Timed out: GetTableSchema timed out after deadline expired}}



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