Apache TajoCloudine박효근

2015.08.27

Agenda

Tajo Editor 개발 후기 Tajo 에게 바라는 점

Tajo Editor 개발 후기

어느날 갑자기……

Tajo 메뉴얼을 찾아보자

Tajo Editor 기능목록구분 기능

Database Create, Drop, Alter

Table Create, Drop, Alter

Column Add, Drop, Alter

Partition Add, Drop, Alter

Query Execute, Result

메뉴얼에 Alter 가 없다 !

Test 코드를 잘 확인하자 .

Tajo Client public boolean createDatabase(final String databaseName) throws ServiceException; public boolean existDatabase(final String databaseName) throws ServiceException; public boolean dropDatabase(final String databaseName) throws ServiceException; public List<String> getAllDatabaseNames() throws ServiceException; public boolean existTable(final String tableName) throws ServiceException; public TableDesc createExternalTable(final String tableName, final Schema schema, final URI path, final TableMeta meta) throws SQLException, ServiceException; public TableDesc createExternalTable(final String tableName, final Schema schema, final URI path, final TableMeta meta, final PartitionMethodDesc partitionMethodDesc) throws SQLException, ServiceException; public boolean dropTable(final String tableName) throws ServiceException; public boolean dropTable(final String tableName, final boolean purge) throws ServiceException; public List<String> getTableList(@Nullable final String databaseName) throws ServiceException; public TableDesc getTableDesc(final String tableName) throws ServiceException; public List<CatalogProtos.FunctionDescProto> getFunctions(final String functionName) throws ServiceExcep-

tion;

Client 에 Alter 가 없다 !

Apache Tajo Editor

1 2

Metastore Editor

Tajo Table Meta종류 메타

Table Type Base, External

File Type Text, RCFile, Parquet, SequenceFile

ColumnBoolean, Tinyint, Smallint, Integer, Bigint, Real, Float, Double, Text, Blob, Date, Time, Time-stamp, Inet4

Textfile Delimiter, Null Text, Error Tolerance, SerDe, Compress

RCFile SerDe, Compress

Parquet Block Size, Page Size, Compress, Dictionary

SequenceFile SerDe

Client 활용한 테이블 생성createExternalTable

table-Name

Schema URI TableM

eta

Store-Type

TextFile

RCFile

Parquet

Sequencefile

Options

Partition-Method-

Desc

Client 활용한 테이블 생성

Client 활용한 테이블 생성

Client 활용한 테이블 생성

Client 활용한 테이블 생성

Flamingo Tajo 연동 계획 Alter 기능 제공 Monitoring

◦ Master, Worker◦ Job◦ Resource

Tajo 에게 바라는점

1. 메뉴얼

2. UDF Function

Q&A