Why is checkpointing important in hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
Can you explain commodity hardware?
What are the most common InputFormats in Hadoop?
what is next step after mapper or maptask?
Give a brief overview of Hadoop history?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
Give me the examples of Columnar database ?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
What is the default replication factor and how will you change it?
Why do the nodes are removed and added frequently in a hadoop cluster?
What are the major differences between Hadoop 2 and Hadoop 3?
Can you define udf?
What are the port numbers of job tracker?
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)