November 2014
Beginner to intermediate
164 pages
3h 32m
English
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Troubleshooting
An HBase cluster does not run smoothly and expectedly sometimes, especially with bad configuration. This section covers the troubleshooting tools and techniques in brief for the HBase cluster running with ambiguous status. There are certain tools that are used while troubleshooting the HBase cluster. The following are some of the important tools that are preferred to be known to the administrators:
jps: This tool shows the Java processes running for the current user.$ $JAVA_HOME/bin/jpsjmap: This tool is used to view the Java heap summary. For example, the following command shows the summary for theHRegionServerdaemon's heap:$ $JAVA_HOME/bin/jmap -heap 1812ps: This tool is used to view the occupied memory by the processes. ...
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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.