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https://issues.apache.org/jira/browse/HDFS-16073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lei w updated HDFS-16073:
-------------------------
Attachment: HDFS-16073.patch
> Remove redundant RPC requests for getFileLinkInfo in
> ClientNamenodeProtocolTranslatorPB
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-16073
> URL: https://issues.apache.org/jira/browse/HDFS-16073
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: lei w
> Priority: Minor
> Attachments: HDFS-16073.patch
>
>
> Remove redundant RPC requests for getFileLinkInfo in
> ClientNamenodeProtocolTranslatorPB. The original logic is as follows：
> {code:java}
> @Override
> public HdfsFileStatus getFileLinkInfo(String src) throws IOException {
> GetFileLinkInfoRequestProto req = GetFileLinkInfoRequestProto.newBuilder()
> .setSrc(src).build();
> try {
> GetFileLinkInfoResponseProto result = rpcProxy.getFileLinkInfo(null,
> req);// First getFileLinkInfo RPC request
> return result.hasFs() ?
> PBHelperClient.convert(rpcProxy.getFileLinkInfo(null, req).getFs())
> :// Repeated getFileLinkInfo RPC request
> null;
> } catch (ServiceException e) {
> throw ProtobufHelper.getRemoteException(e);
> }
> }
> {code}
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