How Hadoop is cost-effective?
No Answer is Posted For this Question
Be the First to Post Answer
What is check pointing in hadoop?
Explain how can you check whether namenode is working beside using the jps command?
How would you check whether your NameNode is working or not?
Are job tracker and task trackers present in separate machines?
What is Mapper in Hadoop?
What is job tracker in Hadoop?
What happen on the namenode when a client tries to read a data file?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
what is next step after mapper or maptask?
What is the block size in Hadoop?
When and how to create hadoop archive?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
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)