In Map Reduce why map write output to Local Disk instead of HDFS?
- 0 Answers
- 738 Views
- I also Faced
- E-Mail Answers
What is SequenceFileInputFormat in Hadoop MapReduce?
How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.
How to specify more than one directory as input to the MapReduce Job?
Can MapReduce program be written in any language other than Java?
What does a 'MapReduce Partitioner' do?
When is it not recommended to use MapReduce paradigm for large
What is the data storage component used by Hadoop?
What happen if the number of the reducer is 0 in MapReduce?
How to write a custom partitioner for a Hadoop MapReduce job?
How can we control particular key should go in a specific reducer?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
What happens if the quantity of the reducer is 0 in mapreduce?
-
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)
