What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
No Answer is Posted For this Question
Be the First to Post Answer
How will you make changes to the default configuration files?
Is it necessary to know java to learn hadoop?
Why is hadoop faster?
Explain how do ‘map’ and ‘reduce’ works?
What do shuffling do?
What are the main components of a Hadoop Application?
How does a namenode handle the failure of the data nodes?
How is the option in Hadoop to skip the bad records?
Data Engineer Given a list of followers in the format:123, 345234, 678345, 123…Where column one is the ID of the follower and column two is the ID of the followee. Find all mutual following pairs (the pair 123, 345 in the example above). How would you use Map/Reduce to solve the problem when the list does not fit in memory?
Which files are used by the startup and shutdown commands?
Which is the best hadoop certification?
What is the purpose of button groups?
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)