January 2017
Intermediate to advanced
258 pages
4h 53m
English
Content preview from Implementing DevOps on AWSBecome 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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Initializing (pre-warm) EBS volumes
It used to be the case that all EBS storage was meant to be initialized to avoid the first-time-access penalty, which becomes a noticeable overhead as you start dealing with larger and larger volumes. Nowadays, the situation has improved as new volumes need no pre-warming (ref: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-initialize.html); however, one should still consider the added delay to the boot process (if the volume is needed at boot time) against any potential performance gains.
For very large volumes, initialization might be prohibitive, but in any other case, it is certainly worth doing. Or if you run your own database servers on EC2, then you should definitely consider pre-warming volumes ...
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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.
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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.