Percona Server for MySQL 5.5.62-38.14 Is Now Available

Percona Server for MySQL 5.7

Percona announces the release of Percona Server for MySQL 5.5.62-38.14 on November 21, 2018 (downloads are available here and from the Percona Software Repositories). This release merges changes of MySQL 5.5.62, including all the bug fixes in it. Percona Server for MySQL 5.5.62-38.14 is now the current GA release in the 5.5 series. All of Percona’s software is […]

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Identifying Unused Indexes in MongoDB

mongodb index usage stats PMM visualization

Like MySQL, having too many indexes on a MongoDB collection not only affects overall write performance, but disk and memory resources as well. While MongoDB holds predictably well in scaling both reads and writes options, maintaining a heathly schema design should always remain a core character of a good application stack.
Aside from knowing when […]

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How CVE-2018-19039 Affects Percona Monitoring and Management

CVE-2018-19039

Grafana Labs has released an important security update, and as you’re aware PMM uses Grafana internally. You’re probably curious whether this issue affects you.  CVE-2018-19039 “File Exfiltration vulnerability Security fix” covers a recently discovered security flaw that allows any Grafana user with Editor or Admin permissions to have read access to the filesystem, performed with the […]

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Percona Monitoring and Management (PMM) 1.17.0 Is Now Available

Percona Monitoring and Management 1.17.0

Percona Monitoring and Management 1.17.0 (PMM) is a free and open-source platform for managing and monitoring MySQL, MongoDB, and PostgreSQL performance. You can run Percona Monitoring and Management 1.17.0 in your own environment for maximum security and reliability. It provides thorough time-based analysis for MySQL®, MongoDB®, and PostgreSQL® servers to ensure that your data works as […]

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Installing and Configuring JIT in PostgreSQL 11

JIT with PostgreSQL

Just-in-time (JIT in PostgreSQL) compilation of SQL statements is one of the highlighted features in PostgreSQL 11. There is great excitement in the community because of the many claims of up to a 30% jump in performance. Not all queries and workloads get the benefit of JIT compilation. So you may want to test your workload against this […]

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Migrating to Amazon Aurora: Design for Flexibility

Migrating to Amazon Aurora

In this Checklist for Success series, we will discuss reducing unknowns when hosting in the cloud using and migrating to Amazon Aurora. These tips might also apply to other database as a service (DBaaS) offerings.
Previous blogs in the migrating to Amazon Aurora series:

Migrating to Amazon Aurora: Reduce the Unknowns
Migrating to Amazon Aurora: Optimize for […]

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Percona on the AWS Database Blog

AWS Database Blog

Percona’s very own Michael Benshoof posted an article called Supercharge your Amazon RDS for MySQL deployment with ProxySQL and Percona Monitoring and Management on the AWS Database blog.
In this article, Michael looks at how to maximize the performance of your cloud database Amazon RDS deployment. He shows that you can enhance performance by using ProxySQL to handle […]

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Newly-Released PostgreSQL Minor Versions: Time to Update!

PostgreSQL Minor Versions

In this blog post we’ll look at what the newly-released PostgreSQL minor versions contain. You probably want to update your current versions and use these updates.
You might already have seen that they released the updates for supported PostgreSQL versions on November 8, 2018. PostgreSQL releases minor versions with several bug fixes and feature […]

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Migrating to Amazon Aurora: Optimize for Binary Log Replication

Migrating to Amazon Aurora 1

In this Checklist for Success series, we will discuss reducing unknowns when hosting in the cloud using and migrating to Amazon Aurora. These tips might also apply to other database as a service (DBaaS) offerings.
In our previous article, we discussed the importance of continuous query performance analysis, especially in Amazon Aurora where there is […]

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How Not to do MySQL High Availability: Geographic Node Distribution with Galera-Based Replication Misuse

MySQL High Availability 2

Let’s talk about MySQL high availability (HA) and synchronous replication once more.
It’s part of a longer series on some high availability reference architecture solutions over geographically distributed areas.
Part 1: Reference Architecture(s) for High Availability Solutions in Geographic Distributed Scenarios: Why Should I Care?
Part 2: MySQL High Availability On-Premises: A Geographically Distributed Scenario
The Problem
A question I often […]

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