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
What is the Use of SSH in Hadoop ?
What are the port numbers of namenode, job tracker and task tracker?
What are the problems with Hadoop 1.0?
Explain the overview of hadoop history breifly?
Why is Apache Spark faster than Apache Hadoop?
What is HDFS Block size? How is it different from traditional file system block size?
What is cloudera and why it is used?
Explain what is sqoop in Hadoop ?
How to enable/configure the compression of map output data in hadoop?
What is a Record Reader in hadoop?
What do you understand from Node redundancy and is it exist in hadoop cluster?
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?
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)