Ayush Saxena created HDFS-15633:
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Summary: Avoid redundant RPC calls for getDiskStatus
Key: HDFS-15633
URL: https://issues.apache.org/jira/browse/HDFS-15633
Project: Hadoop HDFS
Issue Type: Improvement
Components: dfsclient
Reporter: Ayush Saxena
Assignee: Ayush Saxena
There are 3 RPC calls to fetch the same values :
{code:java}
public FsStatus getDiskStatus() throws IOException {
return new FsStatus(getStateByIndex(0),
getStateByIndex(1), getStateByIndex(2));
}
{code}
{{getStateByIndex()}} is called thrice, which is actually a {{getStats}} RPC to
namenode, The same could have been achieved by just one call
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