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https://issues.apache.org/jira/browse/HDFS-7014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14163227#comment-14163227
]
Zhanwei Wang commented on HDFS-7014:
------------------------------------
1. missing encryption.proto and inotify.proto
{code}
[ 6%] Running C++ protocol buffer compiler on
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/hdfs_pb/ClientNamenodeProtocol.proto
cd
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/src
&& /Users/wangzw/workspace/libhdfs3-V2/ext/osx106_x86_64/bin/protoc --cpp_out
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/src
-I
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/common_pb
-I
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/hdfs_pb
/Users/wangzw/workspace/hadoop/hadoop-latest/hadoop-hdfs-project/hadoop-hdfs/src/contrib/libhdfs3/build/hdfs_pb/ClientNamenodeProtocol.proto
encryption.proto: File not found.
inotify.proto: File not found.
ClientNamenodeProtocol.proto: Import "encryption.proto" was not found or had
errors.
ClientNamenodeProtocol.proto: Import "inotify.proto" was not found or had
errors.
ClientNamenodeProtocol.proto:696:12: "EventsListProto" is not defined.
ClientNamenodeProtocol.proto:834:28: "CreateEncryptionZoneRequestProto" is not
defined.
ClientNamenodeProtocol.proto:835:15: "CreateEncryptionZoneResponseProto" is not
defined.
ClientNamenodeProtocol.proto:836:27: "ListEncryptionZonesRequestProto" is not
defined.
ClientNamenodeProtocol.proto:837:15: "ListEncryptionZonesResponseProto" is not
defined.
ClientNamenodeProtocol.proto:838:20: "GetEZForPathRequestProto" is not defined.
ClientNamenodeProtocol.proto:839:15: "GetEZForPathResponseProto" is not defined.
{code}
2. FileSystemImpl should be used internally and not expose in interface, user
cannot get an instance of FileSystemImpl.
change the interface of InputStream::open to
{code}
void open(FileSystem &fs,
const char *path, bool verifyChecksum = true);
{code}
change the interface of OutputStream::open to
{code}
void open(FileSystem &fs,
const char *path, int flag = Create,
const Permission permission = Permission(0644),
bool createParent = false, int replication = 0,
int64_t blockSize = 0);
{code}
move {{DirectoryIterator(hdfs::internal::FileSystemImpl *const fs, std::string
path, bool needLocations)}} to private section.
3. check if the filesystem is connected in InputStream::open and
OutputStream::open
4. Install some header files when run {{make install}}
> Implement input and output streams to DataNode for native client
> ----------------------------------------------------------------
>
> Key: HDFS-7014
> URL: https://issues.apache.org/jira/browse/HDFS-7014
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Zhanwei Wang
> Assignee: Colin Patrick McCabe
> Attachments: 0001-HDFS-7014-001.patch, HDFS-7014.patch
>
>
> Implement Client - Namenode RPC protocol and support Namenode HA.
> Implement Client - Datanode RPC protocol.
> Implement some basic server side class such as ExtendedBlock and LocatedBlock
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