February 2012
Intermediate to advanced
266 pages
8h
English
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Issues with Solutions Specific to Storage Engines
Actually, any problem this book discusses could have specific nuances based on the storage engine you use. We will touch upon these aspects throughout the book. In this section, I want to show a few features of storage engines that are independent of other problems. We’ll cover a few basic problems that use tools specific to MyISAM or InnoDB because these are the most popular and frequently used storage engines. If you use a third-party storage engine, consult its user manual for useful tools.
Errors related to a storage engine are either reported back to the client or recorded in the error logfile. Usually the name of the storage engine appears in the error message. In rare cases, you will get an error number not known by the perror utility. This is usually a symptom of an issue with a storage engine.
One common storage engine issue is corruption. This is not
always the fault of the storage engine, but can have an external cause
such as disk damage, a system crash, or a MySQL server crash. For example,
if somebody runs kill -9 on the server’s process, she
is almost asking for data corruption. We will discuss here what to do in
case of MyISAM and InnoDB corruption. We will not discuss how to fix
corruption of a third-party storage engine; consult its documentation for
guidance. As a general recommendation, you can try CHECK TABLE, which many storage engines support.
(CHECK TABLE for the MyISAM storage
engine is explained in Repairing ...
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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.