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Posted to hdfs-dev@hadoop.apache.org by "Yang Yun (Jira)" <ji...@apache.org> on 2019/12/05 10:21:00 UTC

[jira] [Created] (HDFS-15033) Support save replica cache file to other place and make expired time configurable

Yang Yun created HDFS-15033:
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             Summary: Support save replica cache file to other place and make expired time configurable
                 Key: HDFS-15033
                 URL: https://issues.apache.org/jira/browse/HDFS-15033
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: datanode
            Reporter: Yang Yun
            Assignee: Yang Yun


For slow volume with many replicas, the ShutdownHook may be teminated without saving all replica. add an option to save the replica files to high-speed disk and speed up the saving.
Also add a option to change the expire time of the replica file.



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