What is namenode?
No Answer is Posted For this Question
Be the First to Post Answer
What is the role of the secondary namenode?
What are the Hadoop features extended to its eco-system components ?
List out some common problems faced by data analyst?
Why does one remove or add nodes in a Hadoop cluster frequently?
Do we require two servers for the namenode and the datanodes?
When and how to create hadoop archive?
What is purpose of RecordWriter in Hadoop?
What is heartbeat in hadoop?
Why we use intwritable instead of int? Why we use longwritable instead of long?
How can native libraries be included in yarn jobs?
Why cloudera is used?
What happens if you don?t override the mapper methods and keep them as it is?
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)