[jira] [Created] (HDFS-13852) RBF: The DN_REPORT_TIME_OUT and DN_REPORT_CACHE_EXPIRE should be configured in RBFConfigKeys.

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

yanghuafeng created HDFS-13852:
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             Summary: RBF: The DN_REPORT_TIME_OUT and DN_REPORT_CACHE_EXPIRE should be configured in RBFConfigKeys.
                 Key: HDFS-13852
                 URL: https://issues.apache.org/jira/browse/HDFS-13852
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: federation, hdfs
    Affects Versions: 3.0.1, 2.9.1, 3.1.0
            Reporter: yanghuafeng
            Assignee: yanghuafeng


In the NamenodeBeanMetrics the router will invokes 'getDataNodeReport' periodically. And we can set the dfs.federation.router.dn-report.time-out and dfs.federation.router.dn-report.cache-expire to avoid time out. But when we start the router, the FederationMetrics will also invoke the method to get node usage. If time out error happened, we cannot adjust the parameter time_out. And the time_out in the FederationMetrics and NamenodeBeanMetrics should be the same.



 



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