September 2014
Intermediate to advanced
384 pages
9h 28m
English
Content preview from Mastering MariaDBBecome 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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The table open cache
When a thread needs to access a table's physical file, a file descriptor is needed. To speed up the file access, MariaDB caches the file descriptors that are cached into the table open cache. This is even more useful if many MyISAM tables are contained in the same database. However, keep in mind that searching a file descriptor in this cache has a cost. If the cache cannot be big enough to contain all the needed descriptors, it could be better to disable it. A DBA may want to perform some tests to check whether table open cache is useful for a specific workload.
The table_open_cache server variable determines how many file descriptors are cached. This value should not exceed the maximum number of file descriptors allowed by ...
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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.