Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Apache Spark Quick Start Guide

You're reading from   Apache Spark Quick Start Guide Quickly learn the art of writing efficient big data applications with Apache Spark

Arrow left icon
Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789349108
Length 154 pages
Edition 1st Edition
Languages
Concepts
Arrow right icon
Authors (2):
Arrow left icon
Akash Grade Akash Grade
Author Profile Icon Akash Grade
Akash Grade
Shrey Mehrotra Shrey Mehrotra
Author Profile Icon Shrey Mehrotra
Shrey Mehrotra
Arrow right icon
View More author details
Toc

Cluster-level optimizations

As discussed in Chapter 1, Introduction to Apache Spark, Spark can scale horizontally. This means that performance will increase if you add more nodes to your cluster, because Spark can perform more operations in parallel. Spark also enables users to take good advantage of memory, and a fast network can also help in optimizing shuffle data. Because of all of these reasons, more hardware is always better.

Memory

Efficient use of memory is critical for good performance. In the earlier versions of Spark, the memory was used for three main purposes:

  • RDD storage
  • Shuffle and aggregation storage
  • User code

Memory was divided among them with some fixed proportions. For example, RDD storage had 60%, shuffle...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image