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The Anatomy of a MongoDB Replica Set

 | March 22, 2018 |  Posted In: Insight for DBAs, Insight for Developers, MongoDB

MongoDB Replica Set

In this blog post, we’re going to break down what constitutes a MongoDB replica set. While replica sets are not a specific environment or solution, understanding what you can do with their sophisticated features helps fit a multitude of situations. With many classical databases, you would need to use services, third party software and scripts to […]

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Percona Live 2018 Featured Talk: Deep Dive into the RDS PostgreSQL Universe with Jignesh Shah

 | March 21, 2018 |  Posted In: Amazon RDS, AWS, MySQL, Percona Live, PostgreSQL

Percona Live 2018 Jignesh AWS

Welcome to another interview blog for the rapidly-approaching Percona Live 2018. Each post in this series highlights a Percona Live 2018 featured talk at the conference and gives a short preview of what attendees can expect to learn from the presenter. This blog post highlights Jignesh Shah, Senior Product Manager at Amazon Web Services. His talk […]

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FLUSH and LOCK Handling in Percona XtraDB Cluster

 | March 21, 2018 |  Posted In: Insight for DBAs, MySQL, Percona XtraDB Cluster

FLUSH and LOCK Handling

In this blog post, we’ll look at how Percona XtraDB Cluster (PXC) executes FLUSH and LOCK handling. Introduction Percona XtraDB Cluster is a multi-master solution that allows parallel execution of the transactions on multiple nodes at the same point in time. Given this semantics, it is important to understand how Percona XtraDB Cluster executes statements regarding FLUSH […]

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Using Different Mount Points on PMM Docker Deployments

 | March 20, 2018 |  Posted In: MySQL

Mount Points on PMM Docker

In this blog post, we’ll see how to use different mount points on PMM Docker deployments (Percona Monitoring and Management). This is useful if you want to use other mount points for the different directories, or even if you want to use a custom path that is not bound to Docker’s volumes directory (which is /var/lib/docker/volumes/ […]

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Percona Blog Poll: What Percona Software Are You Using?

 | March 20, 2018 |  Posted In: Database Poll, Percona Monitoring and Management, Percona Server for MongoDB, Percona Server for MySQL, Percona Software, Percona XtraBackup, Percona XtraDB Cluster

Percona Software

This blog post contains a poll that helps us find out what Percona software the open source database community is using. Nearly 20 years ago, Netscape released the source code for its Netscape Communicator web browser. This marked one of the biggest moments in “open source” history. The formation of The Open Source Initiative happened shortly after […]

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Webinar Thursday, March 22, 2018: Percona XtraDB Cluster 5.7 with ProxySQL for Your MySQL High Availability and Clustering Needs

and  | March 20, 2018 |  Posted In: high availability, High-availability, MySQL, Percona XtraDB Cluster, ProxySQL, Technical Webinars

MySQL high availability

Please join Percona’s Ramesh Sivaraman (QA Engineer) and Krunal Bauskar (Software Engineer, Percona XtraDB Cluster Lead) as they present Percona XtraDB Cluster 5.7 with ProxySQL for Your MySQL High Availability and Clustering Needs on Thursday, March 22, 2018 at 8:30 am PDT (UTC-7) / 11:30 am EDT (UTC-4). Percona has developed Percona XtraDB Cluster (based […]

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Percona XtraDB Cluster, MySQL Asynchronous Replication and log-slave-updates

 | March 19, 2018 |  Posted In: MySQL, Percona XtraDB Cluster, Replication

Asynchronous Replication

Recently, I’ve been looking into issues with the interactions between MySQL asynchronous replication and Galera replication. In this blog post, I’d like to share what I’ve learned. MySQL asynchronous replication and Galera replication interactions are complicated due to the number of factors involved (Galera replication vs. asynchronous replication, replication filters, and row-based vs. statement-based replication). So […]

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How to Speed Up Pattern Matching Queries

 | March 19, 2018 |  Posted In: Insight for DBAs, MySQL

pattern matching queries

From time to time I see pattern matching queries with conditions that look like this: “where fieldname like ‘%something%’ “. MySQL cannot use indexes for these kinds of queries, which means it has to do a table scan every single time. (That’s really only half true — there are the FullText indexes. In another blog […]

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Percona Server for MongoDB 3.2.19-3.10 Is Now Available

 | March 16, 2018 |  Posted In: Events and Announcements, MongoDB, Percona Server for MongoDB, Percona Software

Percona Server for MongoDB 3.4

Percona announces the release of Percona Server for MongoDB 3.2.19-3.10 on March 16, 2018. Download the latest version from the Percona web site or the Percona Software Repositories. Percona Server for MongoDB is an enhanced, open source, and highly-scalable database that is a fully-compatible, drop-in replacement for MongoDB 3.2 Community Edition. It supports MongoDB 3.2 protocols and drivers. […]

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