What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
No Answer is Posted For this Question
Be the First to Post Answer
Can you explain record reader?
In which directory hadoop is installed?
Ideally what should be replication factor in a Hadoop cluster?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
How to handle bad records during parsing?
Can hadoop handle streaming data?
How can one check whether NameNode is working or not?
What are the common types of NOSQL data bases ?
Can you explain commodity hardware?
Explain what is speculative execution?
Why do we need Hadoop?
What are input format, input split & record reader and what they do?
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)