Explain the basic architecture of Hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
What is a Combiner?
How indexing is done in HDFS?
Explain the overview of hadoop history breifly?
What is the meaning of speculative execution in Hadoop? Why is it important?
How can I restart namenode?
What is a task instance in hadoop? Where does it run?
What are channel selectors?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
What alternate way does HDFS provides to recover data in case a Namenode
Can we do online transactions(oltp) using hadoop?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What are the most commonly defined input formats 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)