[HDFS-9454] Remove guava usage in the hdfs-client module

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Assignee: Unassigned
• Reporter: Haohui Mai
• Created: 23/Nov/15 23:15
• Updated: 18/Dec/15 01:17

Description

The following classes in hdfs-client use Google's guava library:

./src/main/java/org/apache/hadoop/hdfs/BlockReaderFactory.java
./src/main/java/org/apache/hadoop/hdfs/BlockReaderLocal.java
./src/main/java/org/apache/hadoop/hdfs/ClientContext.java
./src/main/java/org/apache/hadoop/hdfs/DFSClient.java
./src/main/java/org/apache/hadoop/hdfs/DFSClientFaultInjector.java
./src/main/java/org/apache/hadoop/hdfs/DFSInotifyEventInputStream.java
./src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
./src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
./src/main/java/org/apache/hadoop/hdfs/DFSStripedInputStream.java
./src/main/java/org/apache/hadoop/hdfs/DFSStripedOutputStream.java
./src/main/java/org/apache/hadoop/hdfs/DFSUtilClient.java
./src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
./src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
./src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java
./src/main/java/org/apache/hadoop/hdfs/NameNodeProxiesClient.java
./src/main/java/org/apache/hadoop/hdfs/PeerCache.java
./src/main/java/org/apache/hadoop/hdfs/RemoteBlockReader2.java
./src/main/java/org/apache/hadoop/hdfs/StripedDataStreamer.java
./src/main/java/org/apache/hadoop/hdfs/XAttrHelper.java
./src/main/java/org/apache/hadoop/hdfs/client/HdfsDataInputStream.java
./src/main/java/org/apache/hadoop/hdfs/client/HdfsDataOutputStream.java
./src/main/java/org/apache/hadoop/hdfs/client/impl/DfsClientConf.java
./src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java
./src/main/java/org/apache/hadoop/hdfs/protocol/BlockStoragePolicy.java
./src/main/java/org/apache/hadoop/hdfs/protocol/CacheDirectiveInfo.java
./src/main/java/org/apache/hadoop/hdfs/protocol/CacheDirectiveIterator.java
./src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeID.java
./src/main/java/org/apache/hadoop/hdfs/protocol/LocatedBlock.java
./src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotDiffReport.java
./src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/PacketHeader.java
./src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/PacketReceiver.java
./src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/PipelineAck.java
./src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/DataTransferSaslUtil.java
./src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/sasl/SaslDataTransferClient.java
./src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientDatanodeProtocolTranslatorPB.java
./src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
./src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
./src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockMetadataHeader.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/DfsClientShm.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/DfsClientShmManager.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/DomainSocketFactory.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/ShortCircuitCache.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/ShortCircuitReplica.java
./src/main/java/org/apache/hadoop/hdfs/shortcircuit/ShortCircuitShm.java
./src/main/java/org/apache/hadoop/hdfs/util/ByteArrayManager.java
./src/main/java/org/apache/hadoop/hdfs/util/StripedBlockUtil.java
./src/main/java/org/apache/hadoop/hdfs/web/ByteRangeInputStream.java
./src/main/java/org/apache/hadoop/hdfs/web/JsonUtilClient.java
./src/main/java/org/apache/hadoop/hdfs/web/TokenAspect.java
./src/main/java/org/apache/hadoop/hdfs/web/URLConnectionFactory.java
./src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
./src/main/java/org/apache/hadoop/hdfs/web/resources/UserParam.java
./src/test/java/org/apache/hadoop/hdfs/TestPeerCache.java
./src/test/java/org/apache/hadoop/hdfs/client/impl/TestLeaseRenewer.java
./src/test/java/org/apache/hadoop/hdfs/web/TestByteRangeInputStream.java
./src/test/java/org/apache/hadoop/hdfs/web/TestURLConnectionFactory.java

Guava has created quite a few dependency headache for downstream, it would be nice to not using Guava code in the hdfs-client module.