banjara

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banjara has asked 9 questions and find answers to 18 problems.

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banjara questions

why "abc" + null results abcnull
How does an Iterator throw ConcurrentModificationException on add
cyclic traversal over enum
query hive partitioned table over date/time range
How much space does an array occupy?
On what basis mapreduce framework decides whether to launch a combiner or not
yarn is not honouring yarn.nodemanager.resource.cpu-vcores

banjara answers

Relation between number of physical cores and VCores available on YARN?
Does caching in spark streaming increase performance
how to handle the Exception in spark map() function?
The role of "yarn.scheduler.minimum-allocation-vcores" and yarn.scheduler.maximum-allocation-vcores" in deciding the no. of containers/node?
How to add a new column to a Spark RDD?
Spark executor on yarn-client does not take executor core count configuration.
hadoop writables NotSerializableException with Apache Spark API
The method executeQuery() cannot take arguments on a PreparedStatement or CallableStatement. Error
yarn is not honouring yarn.nodemanager.resource.cpu-vcores
Spark - How to run a standalone cluster locally