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Upgrading to Percona Server for MongoDB 3.4 from Previous Versions

 | March 15, 2017 |  Posted In: Insight for DBAs, Insight for Developers, MongoDB

MMAPv1

This post is another in the series on the Percona Server for MongoDB 3.4 bundle release. In this blog post, we will walk through upgrading to Percona Server for MongoDB 3.4 from a previous MongoDB version. We will highlight the important details to guarantee the successful completion of this task in your environment. MongoDB 3.4 was just released, and […]

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How to Change MongoDB Storage Engines Without Downtime

 | March 7, 2017 |  Posted In: Insight for DBAs, Insight for Developers, MongoDB

MongoDB Storage Engines

This blog is another in the series for the Percona Server for MongoDB 3.4 bundle release. Today’s blog post is about how to migrate between Percona Server for MongoDB storage engines without downtime. Today, the default storage engine for MongoDB is WiredTiger. In previous versions (before 3.2), it was MMAPv1. Percona Server for MongoDB features […]

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Quest for Better Replication in MySQL: Galera vs. Group Replication

 | February 24, 2017 |  Posted In: Group Replication, High-availability, Insight for DBAs, Insight for Developers, MySQL, Percona XtraDB Cluster, Replication

Group Replication

UPDATE: Some of the language in the original post was considered overly-critical of Oracle by some community members. This was not my intent, and I’ve modified the language to be less so. I’ve also changed term “synchronous” (which the use of is inaccurate and misleading) to “virtually synchronous.” This term is more accurate and already used by both […]

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WAN Synchronous Clusters: Dealing with Latency Using Concurrency

 | February 1, 2017 |  Posted In: Group Replication, Insight for DBAs, Insight for Developers, MySQL, Percona XtraDB Cluster, Replication

WAN Latency

In this blog, we’ll discuss how to use concurrency to help with WAN latency when using synchronous clusters. WAN Latency Problem Our customers often ask us for help or advice with WAN clustering problems. Historically, the usual solution for MySQL WAN deployments is having the primary site in one data center, and stand-by backup site in […]

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How to Manually Build Percona Server for MySQL RPM Packages

and  | January 20, 2017 |  Posted In: Insight for Developers, MySQL

In this blog, we’ll look at how to manually build Percona Server for MySQL RPM packages. Several customers and other people from the open source community have asked us how they could make their own Percona Server for MySQL RPM binaries from scratch. This request is often made by companies that want to add custom patches […]

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Don’t Let a Leap Second Leap on Your Database!

 | December 27, 2016 |  Posted In: Insight for DBAs, Insight for Developers, MongoDB, MySQL

Leap Second

This blog discusses how to prepare your database for the new leap second coming in the new year. At the end of this year, on December 31, 2016, a new leap second gets added. Many of us remember the huge problems this caused back in 2012. Some of our customers asked how they should prepare for this year’s event […]

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MongoDB PIT Backups In Depth

 | December 16, 2016 |  Posted In: Cloud and NoSQL, High-availability, Insight for DBAs, Insight for Developers, MongoDB, open source databases, Percona Server, Solutions Engineering

MongoDB PIT Backups

In this blog is an in-depth discussion of MongoDB PIT backups. Note: INTIMIDATION FREE ZONE!! This post is meant to give the reader most of the knowledge that is needed to understand the material. This includes basic MongoDB knowledge and other core concepts. I have tried to include links for further research where I can. […]

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