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What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
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Did you ever ran into a lop sided job that resulted in out of memory error, if yes then how did you handled it ?
What is TaskTracker?
What are the tools used in big data?
Can hadoop replace relational database?
What happens if the number of reducers is 0 in Hadoop?
What do you know about the speculative execution?
Clarify how job tracker schedules an assignment?
What are the Features of Hadoop?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
Mention what is the data storage component used by hadoop?
Can you explain record reader?
Name the operating system(s) which are supported for production hadoop deployment?
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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)
