cpu
If an application starts demanding more memory or more CPU cores that cannot fit into a container allocation, your application will fail. This happens because the requested memory is more than the maximum container size.
Now that you have learned about HDFS, MapReduce, and YARN, let us move to the next section. We’ll go over questions about Hive, Pig, HBase, and Sqoop.
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Hadoop Interview Questions - HIVE
Before moving into the Hive interview questions, let us summarize what Hive is all about. Facebook adopted the Hive to overcome MapReduce’s limitations. MapReduce proved to be difficult for users as they found it challenging to code because not all of them were well-versed with the coding languages. Users required a language similar to SQL, which was well-known to all the users. This gave rise to Hive.
Hive is a data warehouse system used to query and analyze large datasets stored in HDFS. It uses a query language called HiveQL, which is similar to SQL. Hive works on structured data. Let us now have a look at a few Hive questions.
