September 2014
Intermediate to advanced
298 pages
6h 13m
English
Content preview from MariaDB High PerformanceBecome 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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Parallel replication
By default, replications are single-threaded (only one event executing at a time). This can lead to performance issues when you're using multisource replication without activating parallel replication. Since MariaDB 10, a pool of separate replication worker threads is available to apply multiple events in parallel. You can go up to 10 times faster when parallel replication is enabled.
To enable parallel replication, add this line in your MariaDB configuration file (my.cnf):
slave-parallel-threads=4
A 0 value means disabled and the maximum value is 16383.
If you're going too high on this value, you may encounter a slowdown.
Other options can be used and adjusted to fine tune parallel replication:
slave_parallel_max_queued: This sets ...
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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.