What is Rack awareness?
No Answer is Posted For this Question
Be the First to Post Answer
How a task is scheduled by a jobtracker?
What is HDFS Federation?
Are Namenode and job tracker on the same host?
What are the benefits of block transfer?
Define fault tolerance?
What is rack-aware replica placement policy?
Give the use of the bootstrap panel.
What are the functions of NameNode?
What are the different methods to run Spark over Apache Hadoop?
What is the purpose of DataNode block scanner?
What is the problem with HDFS and streaming data like logs
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)