The flexibility of MongoDB as a schemaless database is one of its strengths. In early versions, it was left to application developers to ensure that any necessary data validation is implemented. With the introduction of JSON Schema Validator there are new techniques to enforce data integrity for MongoDB. In this article, we use examples to show you how […]
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Please join Percona’s Sr. Technical Operations Architect Tim Vaillancourt as he presents Developing an App on MongoDB: Tips and Tricks on Thursday, August 16th, 2018, at 10:00 AM PDT (UTC-7) / 1:00 PM EDT (UTC-4). Register Now A lot of developers prefer using MongoDB to other open source databases when developing applications. But why? How do […]
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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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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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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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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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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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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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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:
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docker run -d \ -p 80:80 \ --volumes-from pmm-data \ --name pmm-server \ --restart always \ -e METRICS_RESOLUTION=2s \ percona/pmm-server:latest |
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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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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