Interested to Buy Any Domain ? << Click Here >> for more details...
How to configure the number of the Combiner in MapReduce?
- 0 Answers
- 628 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What is Shuffling and Sorting in a MapReduce?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
How do ‘map’ and ‘reduce’ work?
Explain the differences between a combiner and reducer
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.
What are the identity mapper and reducer in MapReduce?
What is the best way to copy files between HDFS clusters?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What is Distributed Cache in the MapReduce Framework?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
what are the most common input formats defined in Hadoop?
-
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)
