What is purpose of RecordWriter in Hadoop?
- 1 Answers
- 594 Views
- I also Faced
- E-Mail Answers
Answer / Kunwar Pal Singh
RecordWriter in Hadoop is responsible for writing records to the output. It provides a convenient way to write records that conform to the InputFormat and OutputFormat of the job.
| Is This Answer Correct ? | 0 Yes | 0 No |
Explain map-only job?
What happens if number of reducers are 0?
Explain the usage of Context Object?
Why do we need hadoop for big data analytics?
Explain the key benefits of using storm for real time processing?
Is it possible to rename the output file, and if so, how?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
What is Distributed Cache in Hadoop?
What is winutils hadoop?
Give me the examples of Columnar database ?
Explain how jobtracker schedules a task?
Can we create a hadoop cluster from scratch?
-
Apache Hadoop (394) - MapReduce (354)
- Apache Hive (345)
- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
- Apache Flume (95)
- Apache Impala (72)
- Apache Cassandra (392)
- Apache Mahout (35)
- Apache Sqoop (82)
- Apache ZooKeeper (65)
- Apache Ambari (93)
- Apache HCatalog (34)
- Apache HDFS Hadoop Distributed File System (214)
- Apache Kafka (189)
- Apache Avro (26)
- Apache Presto (15)
- Apache Tajo (26)
- Hadoop General (407)
