What is the block size used by HDFS for storing data by default?
- 128 MB
- 256 MB
- 512 MB
- 64 MB
The default block size used by Hadoop Distributed File System (HDFS) for storing data is 128 MB. This block size is configurable but is set to 128 MB in many Hadoop distributions as it provides a balance between storage efficiency and parallel processing.
Loading...
Related Quiz
- What is often the cause of a 'FileNotFound' exception in Hadoop?
- In the Hadoop Streaming API, custom ____ are often used to optimize the mapping and reducing processes.
- ____ is a column-oriented file format in Hadoop, optimized for querying large datasets.
- In advanced Hadoop cluster setups, how is high availability for the NameNode achieved?
- What mechanism does MapReduce use to optimize the processing of large datasets?