If DataNode increases, then do we need to upgrade NameNode in Hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
Give me an example of document database ?
What does rack awareness algorithm means?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
What does hadoop-metrics.properties file do?
How many datanodes can run on a single Hadoop cluster?
In which location name node sores its metadata and why?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
What happens if the number of reducers is 0 in Hadoop?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
What is Identity reducer?
What is a namenode?
What are the most common OutputFormat 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)