How can one write custom record reader?
No Answer is Posted For this Question
Be the First to Post Answer
What are the important modes of hadoop?
Explain what is storage and compute nodes?
Explain how do you overwrite replication factor?
What are the port numbers of task tracker?
What are the most common InputFormats in Hadoop?
Can you explain edge nodes in hadoop?
Why do we need Hadoop?
What sorts of actions does the job tracker process perform?
How would you check whether your NameNode is working or not?
Does hadoop follows the unix pattern?
How Hadoop is cost-effective?
What is the procedure for namenode recovery?
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)