Why do the nodes are removed and added frequently in a hadoop cluster?
No Answer is Posted For this Question
Be the First to Post Answer
What are the four basic parameters of a mapper?
Are job tracker and task trackers present in separate machines?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
Explain how can you debug hadoop code?
Explain what is a task tracker in hadoop?
What is Combiner in Hadoop?
What is structured and unstructured data?
Explain what is sequencefileinputformat?
Can we write map reduce program in other than java programming language. How?
Where is hadoop-env.sh file present?
Explain in which directory hadoop is installed?
How can native libraries be included in yarn jobs?
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)