Tag - MySQL Character Sets

Charset and Collation Settings Impact on MySQL Performance

MySQL 8.0 utf8mb4

Following my post MySQL 8 is not always faster than MySQL 5.7, this time I decided to test very simple read-only CPU intensive workloads, when all data fits memory. In this workload there is NO IO operations, only memory and CPU operations.
My Testing Setup
Environment specification

Release | Ubuntu 18.04 LTS (bionic)
Kernel | 4.15.0-20-generic
Processors | physical […]

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Replicating from MySQL 8.0 to MySQL 5.7

replicate from MySQL 8 to MySQL 5.7

In this blog post, we’ll discuss how to set a replication from MySQL 8.0 to MySQL 5.7. There are some situations that having this configuration might help. For example, in the case of a MySQL upgrade, it can be useful to have a master that is using a newer version of MySQL to an older […]

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Webinar Thursday, March 9, 2017: Troubleshooting Issues with MySQL Character Sets

MySQL Character Sets

Please join Percona’s Principal Technical Services Engineer, Sveta Smirnova as she presents “Troubleshooting Issues with MySQL Character Sets ” on March 9, 2017, at 11:00 am PST / 2:00 pm EST (UTC-8).

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Many MySQL novices find MySQL character sets support puzzling. But after you understand how it is designed, you will find it much more […]

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