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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