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Displaying posts with tag: MySQL (reset)
MySQL InnoDB Cluster – Controlling data consistency and expel timeouts

This blog post follows the series that we have been composing to detail every single new feature added in the latest MySQL InnoDB Cluster release. As listed in the release announcement of 8.0.14, we’re very happy with new features that greatly enhance the whole experience and capabilities of InnoDB cluster!…

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MySQL 8.0.14: A Road to Parallel Query Execution is Wide Open!

For a very long time – since when multiple CPU cores were commonly available – I dreamed about MySQL having the ability to execute queries in parallel. This feature was lacking from MySQL, and I wrote a lots of posts on how to emulate parallel queries in MySQL using different methods: from simple parallel bash script to using Apache Spark to using ClickHouse together with MySQL. I have watched parallelism coming to PostgreSQL, to new databases like TiDB, to …

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Group Replication – Consistency Levels

The MySQL Group Replication (GR) feature is a multi-primary update anywhere or single-primary replication plugin for MySQL with built-in conflict detection and resolution, automatic distributed recovery, and group membership.

Its goal it is to make high-availability (HA) simple with off-the-shelf hardware, not only to new applications but also existing ones – that was one of the motivations of the single-primary mode.…

MySQL InnoDB Cluster – Changing cluster options “live”

As listed in the release announcement of the latest MySQL InnoDB Cluster release, 8.0.14 brings exciting new features! This blog post integrates a series detailing every single new feature added. We’ll follow up now with two very desired and useful features: Checking current cluster configuration options” and “Changing cluster members or global cluster options ‘live'”.

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New in MySQL 8.0.14 – CREATE UNDO TABLESPACE

The newest release of MySQL 8.0.14 includes the ability to control the number and location of UNDO tablespaces using SQL. Users can now manage UNDO tablespaces using SQL from the MySQL client.

Background

More undo tablespaces help busy systems handle a larger number of read-write concurrent transactions by having more rollback segments available to provide undo logs to those transactions. …

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Binary log encryption at rest

Starting in version 8.0.14, MySQL server can encrypt all new binary and relay log files on disk. In order to do so, you just need to enable the new binlog_encryption option (and also ensure that you have a keyring).…

Monitor and Optimize Slow Queries with PMM and EverSQL – Part One

A common challenge with continuously deployed applications is that new and modified SQL queries are constantly being introduced to the application. Many companies choose to use a database monitoring system (such as PMM) to identify those slow queries. But identifying slow queries is only the start – what about actually optimizing them?

In this post we’ll demonstrate a new way to both identify and optimize slow queries, by utilizing the recent integration of Percona Monitoring and Management with EverSQL Query Optimizer via Chrome browser extension. This integration allows you to identify slow queries using PMM, and optimize them automatically using EverSQL Query Optimizer.

Optimizing queries with PMM & EverSQL

We’re using PMM to monitor our MySQL …

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Log buffer #558: a carnival of vanities for DBAs

This log buffer edition overs cloud, Oracle, PostgreSQL and MySQL.

Cloud

On December 4, 2018 Microsoft’s Azure Database for Open Sources announced the general availability of MariaDB. This blog intends to share some guidance and best practices for alerting on the most commonly monitored metrics for the service.

Technology allows manufacturers to generate more data than traditional systems and users can digest. Predictive analytics, enabled by big data and cloud technologies, can take advantage of this data and provide new and unique insights into the health of manufacturing equipment and processes.

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MySQL InnoDB Cluster – Changing cluster topology modes “live”

As listed in the release announcement of the latest MySQL InnoDB Cluster release, 8.0.14 brings exciting new features! This blog post is the first of a series detailing every single new feature added, starting by: “Changing cluster topology modes ‘live‘”.

MySQL Shell 8.0.14 – What’s New?

The MySQL Development team is proud to announce a new version of the MySQL Shell which includes the following features:

  • Support for importing BSON data.
  • Ability to show column type information when executing SQL.
  • Addition of command line options to lower the verbosity when the shell starts.

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