Locking SELECT with CREATE TABLE, INSERT INTO, and User Variables
Locking is an important concept in databases. They help regulate access to the data, so your …
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Performance Schema
MySQL Compressed Binary Logs
On a busy server, the binary logs can end up being one of the largest contributors …
Performance Schema Functions
The sys schema was created to make it easier to use the Performance Schema. This included …
Connector/Python Connection Attributes
MySQL Server has since version 5.6 supported connection attributes for the clients. This has allowed a …
MySQL 8: Performance Schema Digests Improvements
Since MySQL 5.6, the digest feature of the MySQL Performance Schema has provided a convenient and …
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Replication Monitoring with the Performance Schema
The traditional way to monitor replication in MySQL is the SHOW SLAVE STATUS command. However as …
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InnoDB Progress Information
MySQL has since version 5.7 had support for progress information for some queries. As promised in …
What Does I/O Latencies and Bytes Mean in the Performance and sys Schemas?
The Performance Schema and sys schema are great for investigating what is going on in MySQL …
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Overview of the MySQL Server Architecture
Sometimes it can be useful to take a step back and look at the world from …
InnoDB Locks Analysis: Why is Blocking Query NULL and How To Find More Information About the Blocking Transaction?
This post was originally published on the MySQL Support Team Blog at https://blogs.oracle.com/mysqlsupport/entry/innodb_locks_analysis_why_is on 14 April …