Explain what happens in text format?
No Answer is Posted For this Question
Be the First to Post Answer
Explain what is sequencefileinputformat?
Can you explain rack awareness?
What is Rack Awareness? What is its need in Hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
Explain Data Locality in Hadoop?
What happen if a datanode loses network connection for a few minutes?
Clarify what a task tracker is in hadoop?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
What does rack awareness algorithm means and why is it utilized as a part of hadoop?
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?
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)