InnoDB

ANALYZE TABLE Is No Longer a Blocking Operation

analyze table

In this post, I’ll discuss the fix for lp:1704195 (migrated to PS-2503), which prevents
ANALYZE TABLE from blocking all subsequent queries on the same table.
In November 2017, Percona released a fix for lp:1704195 (migrated to PS-2503), created by Laurynas Biveinis. The fix, included with Percona Server for MySQL since versions 5.6.38-83.0 and 5.7.20-18, stops
ANALYZE TABLE from invalidating […]

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New MySQL 8.0 innodb_dedicated_server Variable Optimizes InnoDB from the Get-Go

MySQL 8.0 innodb_dedicated_server

In this post, we’ll look at the MySQL 8.0 innodb_dedicated_server variable.
MySQL 8.0 introduces a new variable called innodb_dedicated_server. When enabled, it auto tunes innodb_buffer_pool_size, innodb_log_file_size and innodb_flush_method at startup (if these variables are not explicitly defined in my.cnf).
The new MySQL 8.0 variable automatically sizes the following variables based on the RAM size of the […]

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Enabling InnoDB Tablespace Encryption on Percona XtraDB Cluster 5.7

InnoDB Tablespace Encryption

Security is one of the hottest topics lately, and in this blog post, I will walk you through what needs to be configured to have a working three-node Percona XtraDB Cluster running with InnoDB Tablespace Encryption enabled.
This article will not cover the basics of setting up a cluster nor will it cover how to […]

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How to Restore MySQL Logical Backup at Maximum Speed

Restore MySQL Logical Backup

The ability to restore MySQL logical backups is a significant part of disaster recovery procedures. It’s a last line of defense.
Even if you lost all data from a production server, physical backups (data files snapshot created with an offline copy or with Percona XtraBackup) could show the same internal database structure corruption as in […]

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This Week in Data with Colin Charles 27: Percona Live Tutorials Released and a Comprehensive Review of the FOSDEM MySQL DevRoom

Colin Charles

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community.
Percona Live Santa Clara 2018 update: tutorials have been announced. The committee rated over 300+ talks, and easily 70% of the schedule should go live next week as well. In practice, then, you should see […]

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Fsync Performance on Storage Devices

fsync

While preparing a post on the design of ZFS based servers for use with MySQL, I stumbled on the topic of fsync call performance. The fsync call is very expensive, but it is essential to databases as it allows for durability (the “D” of the ACID acronym).
Let’s first review the type of disk IO operations […]

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Four Ways MySQL Executes GROUP BY

MySQL GROUP BY

In this blog post, I’ll look into four ways MySQL executes GROUP BY. 
In my previous blog post, we learned that indexes or other means of finding data might not be the most expensive part of query execution. For example, MySQL GROUP BY could potentially be responsible for 90% or more of the query execution time. 
The […]

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InnoDB Performance Optimization: Webinar Q & A

InnoDB Performance Optimization

Thank you for attending my webinar on Wednesday, December 20, 2017, InnoDB Performance Optimization. In this blog, I will provide answers to the Q & A for the webinar.
Are the T2 CPUs similar to the M4 series?
I would expect them to be similar. Amazon does not disclose what specific version of CPUs they use […]

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Webinar Wednesday, December 20, 2017: InnoDB Performance Optimization

InnoDB Performance Optimization

Join Percona’s, CEO and Co-Founder, Peter Zaitsev as he presents InnoDB Performance Optimization on Wednesday, December 20, 2017, at 11:00 am PST / 2:00 pm EST (UTC-8).
InnoDB is one of the most commonly used storage engines for MySQL and Percona Server for MySQL. It balances high reliability with high performance and is the focus of the majority […]

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