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Posted to hdfs-dev@hadoop.apache.org by "Ming Ma (JIRA)" <ji...@apache.org> on 2013/12/06 19:53:35 UTC

[jira] [Created] (HDFS-5639) rpc scheduler abstraction

Ming Ma created HDFS-5639:
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             Summary: rpc scheduler abstraction
                 Key: HDFS-5639
                 URL: https://issues.apache.org/jira/browse/HDFS-5639
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Ming Ma


We have run into various issues in namenode and hbase w.r.t. rpc handling in multi-tenant clusters. The examples are

https://issues.apache.org/jira/i#browse/HADOOP-9640
 https://issues.apache.org/jira/i#browse/HBASE-8836

There are different ideas on how to prioritize rpc requests. It could be based on user id, or whether it is read request or write request, or it could use specific rule like datanode's RPC is more important than client RPC.

We want to enable people to implement and experiiment different rpc schedulers.



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