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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