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Open Source Database Community Blog: The Story So Far

 | August 14, 2018 |  Posted In: Events and Announcements, Insight for DBAs, Insight for Developers, MariaDB, MongoDB, MySQL, open source databases

open source database community blog

Recently, we initiated a new project, the Open Source Database Community Blog. One way to think of this is as an online, year round version of the Percona Live conferences. If you have a story to tell, an experience to share, or a lesson to be learned send it along. As long as it’s related […]

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Webinar Tues 8/14: Amazon Migration Service: The Magic Wand to Migrate Away from Your Proprietary Environment to MySQL

 | August 13, 2018 |  Posted In: AWS, MySQL, MySQL 8.0, Technical Webinars

Amazon Migration Service to migrate to MySQL

Please join Percona’s Solution Engineer, Dimitri Vanoverbeke as he presents Amazon Migration Service: The Magic Wand to Migrate Away from Your Proprietary Environment to MySQL on Tuesday, August 14th, 2018 at 7:00 AM PDT (UTC-7) / 10:00 AM EDT (UTC-4). Register Now In this talk, we will learn about the Amazon Migration Tool. The talk […]

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Tuning Autovacuum in PostgreSQL and Autovacuum Internals

and  | August 10, 2018 |  Posted In: Insight for DBAs, Performance Tuning, PostgreSQL

Tuning Autovacuum in PostgreSQL

The performance of a PostgreSQL database can be compromised by dead tuples, since they continue to occupy space and can lead to bloat. We provided an introduction to VACUUM and bloat in an earlier blog post. Now, though, it’s time to look at autovacuum for postgres, and the internals you to know to maintain a […]

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This Week in Data with Colin Charles 48: Coinbase Powered by MongoDB and Prometheus Graduates in the CNCF

 | August 10, 2018 |  Posted In: Events and Announcements, MariaDB, MongoDB, MySQL, PostgreSQL, ProxySQL

Colin Charles

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. The call for submitting a talk to Percona Live Europe 2018 is closing today, and while there may be a short extension, have you already got your talk submitted? I suggest doing so ASAP! […]

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Lock Down: Enforcing AppArmor with Percona XtraDB Cluster

 | August 9, 2018 |  Posted In: MySQL, Percona XtraDB Cluster, Security

Enforcing AppArmor with Percona XtraDB Cluster

Recently, I wrote a blog post showing how to enforce SELinux with Percona XtraDB Cluster (PXC). The Linux distributions derived from RedHat use SELinux. There is another major mandatory discretionary access control (DAC) system, AppArmor. Ubuntu, for example, installs AppArmor by default. If you are concerned by computer security and use PXC on Ubuntu, you […]

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Webinar Thursday Aug 9: Migrating to AWS Aurora, Monitoring AWS Aurora with PMM

 | August 9, 2018 |  Posted In: Amazon Aurora, AWS, Events and Announcements, MySQL, Percona Monitoring and Management, PMM, Technical Webinars

Monitoring Amazon Aurora with PMM

Please join Autodesk’s Senior Database Engineer, Vineet Khanna, and Percona’s Sr. MySQL DBA, Tate McDaniel as they present Migrating to Aurora and Monitoring with PMM on Thursday, August 9th, 2018, at 10:00 AM PDT (UTC-7) / 1:00 PM EDT (UTC-4). Register Now Amazon Web Services (AWS) Aurora is one of the most popular cloud-based RDBMS […]

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How to Change Settings for PMM Deployed via Docker

 | August 9, 2018 |  Posted In: Containers, Docker, MySQL, Percona Monitoring and Management, PMM

change settings for PMM deployed docker

When deployed through Docker Percona Monitoring and Management (PMM) uses environment variables for its configuration For example, if you want to adjust metrics resolution you can pass -e METRICS_RESOLUTION=Ns  as  an option to the docker run  command:

You would think if you want to change the setting for existing installation you can just stop the container with docker stop  and […]

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Resource Usage Improvements in Percona Monitoring and Management 1.13

 | August 7, 2018 |  Posted In: Benchmarks, Insight for DBAs, MongoDB, MySQL, Percona Monitoring and Management, PMM

PMM 1-13 reduction CPU usage by 5x

In Percona Monitoring and Management (PMM) 1.13 we have adopted Prometheus 2, and with this comes a dramatic improvement in resource usage, along with performance improvements! What does it mean for you? This means you can have a significantly larger number of servers and database instances monitored by the same PMM installation. Or you can […]

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Basic Understanding of Bloat and VACUUM in PostgreSQL

 | August 6, 2018 |  Posted In: Insight for DBAs, PostgreSQL

VACUUM and Bloat PostgreSQL

Implementation of MVCC (Multi-Version Concurrency Control) in PostgreSQL is different and special when compared with other RDBMS. MVCC in PostgreSQL controls which tuples can be visible to transactions via versioning. What is versioning in PostgreSQL? Let’s consider the case of an Oracle or a MySQL Database. What happens when you perform a DELETE or an […]

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