What are the functions of NameNode?
Answer / priyanka
namenode is the centerpieces of an hdfs filesystem.it keeps the directory tree of all files in the file system,namenode is a singlepoint of failure in hdfs
| Is This Answer Correct ? | 0 Yes | 0 No |
What is safe mode in Hadoop?
Define a daemon?
Mention what is the number of default partitioner in Hadoop?
Is hadoop based on google mapreduce?
Does the hdfs client decide the input split or namenode?
Are Namenode and job tracker on the same host?
Explain the basic difference between traditional rdbms and hadoop?
What are the stable versions of Hadoop?
What is the sequencefileinputformat in hadoop?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is HDFS - Hadoop Distributed File System?
How Mapper is instantiated in a running job?
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)