Podcast
Questions and Answers
Which interface is imported in the given Java code?
Which interface is imported in the given Java code?
- java.io.DataInput
- java.io.IOException
- java.io.DataOutput
- org.apache.hadoop.io.Writable (correct)
What is the purpose of the 'Writable' interface?
What is the purpose of the 'Writable' interface?
- To write data to a file
- To serialize and deserialize data (correct)
- To read data from a file
- To compress data
What exceptions may be thrown by the methods in the 'Writable' interface?
What exceptions may be thrown by the methods in the 'Writable' interface?
- java.lang.ClassNotFoundException
- java.lang.IllegalArgumentException
- java.io.IOException (correct)
- java.lang.NullPointerException
Which compression types are available for the PARQUET format when configuring the fq-import-remote-conf.xml template?
Which compression types are available for the PARQUET format when configuring the fq-import-remote-conf.xml template?
What is the default compression type used for Hadoop formats when the fq.output.compressed parameter is set to false or left empty?
What is the default compression type used for Hadoop formats when the fq.output.compressed parameter is set to false or left empty?
What is the purpose of the fq.data.format property in the fq-import-remote-conf.xml template?
What is the purpose of the fq.data.format property in the fq-import-remote-conf.xml template?
If you want to select the SEQUENCEFILE format, you need to specify the exact class name of the codec which is available on the ______ system.
If you want to select the SEQUENCEFILE format, you need to specify the exact class name of the codec which is available on the ______ system.
To use compression with the AVRO format, you can select either snappy or ______ as the compression type.
To use compression with the AVRO format, you can select either snappy or ______ as the compression type.
The fq.output.compressed parameter should be set to 'false' or left ______ to use the default compression type for the selected format in Hadoop.
The fq.output.compressed parameter should be set to 'false' or left ______ to use the default compression type for the selected format in Hadoop.
Should the fq.data.format property in the fq-import-remote-conf.xml template be set to one of the specified options?
Should the fq.data.format property in the fq-import-remote-conf.xml template be set to one of the specified options?
Is mixed mode of transfer supported when using Hadoop formats?
Is mixed mode of transfer supported when using Hadoop formats?
Can the default compression type be used for Hadoop formats when the fq.output.compressed parameter is set to false or left empty?
Can the default compression type be used for Hadoop formats when the fq.output.compressed parameter is set to false or left empty?
Is it possible to use compression with the ORC format?
Is it possible to use compression with the ORC format?
Is it necessary to specify the exact class name of the codec when using the RCFILE format?
Is it necessary to specify the exact class name of the codec when using the RCFILE format?
Can mixed mode of transfer be used when working with Hadoop formats?
Can mixed mode of transfer be used when working with Hadoop formats?
Flashcards are hidden until you start studying