What happens to a namenode, when job tracker is down?
No Answer is Posted For this Question
Be the First to Post Answer
Where do you specify the Mapper Implementation?
What is a secondary namenode?
How the Client communicates with HDFS?
What is crontab? Explain with suitable example?
Explain the basic difference between traditional rdbms and hadoop?
What is the InputFormat ?
What are the network requirements for using hadoop?
How is security achieved in Apache Hadoop?
How will format the HDFS ?
Who invented hadoop?
On What concept the Hadoop framework works?
What is HDFS Federation?
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)