June 2015
Intermediate to advanced
190 pages
4h 4m
English
Content preview from Troubleshooting CentOSBecome 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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Obtaining metrics from MariaDB and MySQL
Metrics not only enable you to build a character analysis of your database server, but they can provide evidence of an unexpected behavior. For the troubleshooter, this type of data is important and that can be obtained by running the following command:
# mysqladmin -u root -p status
The output will provide the following information:
Uptime: This value represents the number of seconds the database server has been running.Threads: This value indicates the number of connected clients.Questions: This value indicates the number of queries served since the database server was started.Slow queries: This value indicates the number of queries that have exceeded thelong_query_time.Opens: This value indicates the ...
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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.