Monthly Archives - January 2019

A New Dashboard to Monitor Memory Usage in the PMM plugin!

Dashboard to Monitor Memory Usage in Linux

While the PMM team works hard on our PMM 2.0 release, we have been working on a few things in the background which we’d like to show off !  In particular we have developed a new dashboard that displays metrics related to memory usage on Linux systems. The dashboard leverages information collected by node_exporter. The graphs […]

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Percona Server for MySQL 5.6.43-84.3 Is Now Available

Percona Server for MySQL 8.0

Percona is glad to announce the release of Percona Server for MySQL 5.6.43-84.3 on January 29, 2019 (Downloads are available here and from the Percona Software Repositories).
This release merges changes of MySQL 5.6.43, including all the bug fixes in it. Percona Server for MySQL 5.6.43-84.3 is now the current GA release in the 5.6 series. All of Percona’s software is open-source and […]

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Upcoming Webinar Thurs 1/31: Percona Server for MongoDB 4.0 Feature Walkthrough

Percona Server for MongoDB 4.0 Feature Walkthrough

Please join Vinodh Krishnaswamy as he presents his talk, Percona Server for MongoDB 4.0 Feature Walkthrough on January 31st, 2019, at 6:00 AM PST (UTC-8) / 9:00 AM EST (UTC-5).

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Percona Server for MongoDB is an enhanced, open source, and highly-scalable database. Moreover, it is a fully-compatible, drop-in replacement for MongoDB 4.0 Community Edition. […]

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Upcoming Webinar Wed 1/30: Percona XtraDB Cluster: Failure Scenarios and their Recovery

Percona XtraDB Cluster: Failure Scenarios and their Recovery

Please join Percona’s Senior Technical Manager, Alkin Tezuysal, and Percona’s Percona XtraDB Cluster Lead, Krunal Bauskar as they present their talk, Percona XtraDB Cluster: Failure Scenarios and their Recovery on Wednesday, January 30th, 2019, at 8:00 AM PST (UTC-8) / 11:00 AM EST (UTC-5).
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Percona XtraDB Cluster (a.k.a PXC) is an open source, multi-master, […]

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Percona Server for MongoDB Operator 0.2.0 Early Access Release Is Now Available

Percona Server for MongoDB

Percona announces the availability of the Percona Server for MongoDB Operator 0.2.0 early access release.
The Percona Server for MongoDB Operator simplifies the deployment and management of Percona Server for MongoDB in a Kubernetes or OpenShift environment. It extends the Kubernetes API with a new custom resource for deploying, configuring and managing the application through the whole […]

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Monitor and Optimize Slow Queries with PMM and EverSQL – Part 2

percona_pmm_eversql

EverSQL (use code PERCONA-EVERSQL-10OFF for a 10% discount on the first billing cycle) is a platform that intelligently tunes your SQL queries by providing query optimization recommendations, and feedback on missing indexes. This is the second post of our EverSQL series, if you missed our introductory post take a look there first and then […]

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Open Source Database Conference CFP Deadline Sunday January 27

open source database conference 2019

This year at our Open Source Database Conference we’re celebrating open source database technologies that don’t fit into the MySQL®, MongoDB®, MariaDB®, or PostgreSQL realms by featuring them in their very own track. The glamorously-named Other Open Source Databases track! As unbiased champions of open source database solutions, we embrace all flavors of open […]

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A Quick Look into TiDB Performance on a Single Server

TiDB MySQL plot

TiDB is an open-source distributed database developed by PingCAP. This is a very interesting project as it is can be used as a MySQL drop-in replacement: it implements MySQL protocol, and basically emulates MySQL. PingCAP defines TiDB is as a “one-stop data warehouse for both OLTP (Online Transactional Processing) and OLAP (Online Analytical Processing) […]

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MySQL 8.0.14: A Road to Parallel Query Execution is Wide Open!

road to MySQL parallel query

For a very long time – since when multiple CPU cores were commonly available – I dreamed about MySQL having the ability to execute queries in parallel. This feature was lacking from MySQL, and I wrote a lots of posts on how to emulate parallel queries in MySQL using different methods: from simple parallel […]

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MongoDB Replica Set Scenarios and Internals – Part II (Elections)

mongodb node election to primary

In this blog post, we will walk through the internals of the election process in MongoDB®, following on from a previous post on the internals of the replica set. You can read Part 1 here.
For this post, I am refer to the same configurations we discussed before.
Elections: As the term suggests, in MongoDB there is a […]

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