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Optimizing Spark Job (spark-submit/shell)
This article is second from our series, optimizing the spark command, we usually use two types of spark commands, spark-submit and spark-shell, both of…
Jul 20, 2019
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Junaid Effendi
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Optimizing Spark Job (spark-submit/shell)
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Whats new in Spark 3.0?
Asa Data Engineer I wait for improved Spark version every year, and this yearlast month they introduced a major long awaited upgrade known as Spark 3.0…
Nov 24, 2019
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Junaid Effendi
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Whats new in Spark 3.0?
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Optimizing Spark Query
This is the last article from our Spark Optimization Series. Optimizing a spark query is challenging as well as interesting, as a Data Engineer, I love…
Aug 5, 2019
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Junaid Effendi
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Optimizing Spark Query
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Optimizing Spark I/O
Reading and writing files in Spark is part of most of the jobs, and to make it work the best way there are some approaches and techniques that should be…
Jul 27, 2019
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Junaid Effendi
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Optimizing Spark I/O
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Optimizing Spark Cluster
Welcome to the first optimization blog of the Spark Optimization series, in this article we will learn what cluster to choose based on memory, cores and…
Jul 15, 2019
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Junaid Effendi
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Optimizing Spark Cluster
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Testing Data in Apache Spark
We all the know the benefits of testing software components through different types of tests like unit, regression, integration testing etc. However…
Sep 9, 2023
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Junaid Effendi
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Testing Data in Apache Spark
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Common Issues faced in Spark
There are several issues everyone faces when they start using spark either at their jobs or for fun. These issues come up every other day and finding…
Apr 9, 2018
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Junaid Effendi
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Common Issues faced in Spark
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Apache Spark - Frequently Asked Questions
Developers and Engineers are now pretty much aware of Apache Spark and its purpose in the technological stack but somehow there are some basic questions…
Jan 27, 2019
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Junaid Effendi
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Apache Spark - Frequently Asked Questions
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Spark UDFs Are Cruel!
Spark UDFs (User Defined Functions) are not the best thing a developer will use, they look so cool especially the syntax to write them is really cool…
Aug 25, 2019
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Junaid Effendi
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Spark UDFs Are Cruel!
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Solving Data Skewness in Spark
You might have been a victim of skewed data when performing some operations in Spark especially that requires a shuffle like a Join and you might have…
Jan 21, 2019
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Junaid Effendi
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Solving Data Skewness in Spark
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Introduction to Spark Optimization
OptimizingSpark is very interesting as it shows how the hardware and the software blendtogether in such a way to give a feel of some great achievement…
Jul 8, 2019
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Junaid Effendi
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Introduction to Spark Optimization
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Renaming Spark Part-NNNN Files on S3
We have seen a big issue with Spark job, which is, it writes its output files with part-nnnn naming due to its distributed behavior, and its not…
Feb 9, 2018
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Junaid Effendi
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Renaming Spark Part-NNNN Files on S3
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