What are the important differences between apache and hadoop?
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what are Task Tracker and Job Tracker?
Can you explain how do ‘map’ and ‘reduce’ work?
What are sink processors?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
What is HDFS ? How it is different from traditional file systems?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
What are the hadoop's three configuration files?
What is a spill factor with respect to the ram?
How can I restart namenode?
Name the various types of lists supported by bootstrap.
Main Components of 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)