November 2013
Intermediate to advanced
34 pages
33m
English
Content preview from Cloudera ImpalaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Getting Started with Impala
Depending on your background and existing Apache Hadoop infrastructure, you can approach the Cloudera Impala product from different angles:
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If you are from a database background and a Hadoop novice, the Cloudera QuickStart VM lets you try out the basic Impala features straight out of the box. This single-node VM configuration is suitable to get your feet wet with Impala. (For performance or scalability testing, you would use real hardware in a cluster configuration.) You run the VM in VMWare, KVM, or VirtualBox, start the Impala service through the Cloudera Manager web interface, and then interact with Impala through the
impala-shellinterpreter or the ODBC and JDBC interfaces. - For more serious testing or large-scale deployment, you can download and install the Cloudera Impala software in a real cluster environment. You can freely install the software either through standalone packages or by using the Cloudera Manager “parcel” feature, which enables easier upgrades. You install the Impala server on each data node and designate one node (typically the same as the Hadoop namenode) to also run the Impala StateStore daemon. The simplest way to get up and running is through the Cloudera Manager application, where you can bootstrap the whole process of setting up a Hadoop cluster with Impala just by specifying a list of hostnames for the cluster.
- If you want to understand how Impala works at a deep level, you can get the Impala source code from GitHub and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.