Interested to Buy Any Domain ? << Click Here >> for more details...
Explain what combiners are and when you should use a combiner in a mapreduce job?
- 0 Answers
- 570 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
More MapReduce Interview Questions
Is it mandatory to set input and output type/format in MapReduce?
A number of combiners can be changed or not in MapReduce?
What is a "map" in Hadoop?
Explain the process of spilling in MapReduce?
When Namenode is down what happens to job tracker?
What is MapReduce?
Name job control options specified by mapreduce.
What is RecordReader in a Map Reduce?
What is mapper in map reduce?
What is OutputCommitter?
Why comparison of types is important for MapReduce?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
Categories
-
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)
