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From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4184) Add new interface for Client to provide more information
Date Tue, 13 Nov 2012 02:53:11 GMT
binlijin created HDFS-4184:
------------------------------

             Summary: Add new interface for Client to provide more information
                 Key: HDFS-4184
                 URL: https://issues.apache.org/jira/browse/HDFS-4184
             Project: Hadoop HDFS
          Issue Type: New Feature
            Reporter: binlijin


When hbase read or write hlog we can use dfs.datanode.drop.cache.behind.reads、dfs.datanode.drop.cache.behind.writes,
when hbase read hfile during compaction we can use readahead and so on... 

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