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Showing entries 1 to 10 of 147 10 Older Entries

Displaying posts with tag: monitoring (reset)

Galera Cluster for MySQL vs MySQL (NDB) Cluster: A High Level Comparison - Webinar Replay & Slides
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December 16, 2014 By Severalnines

 

Thanks to everyone who attended and participated in last week’s webinar on 'Galera Cluster for MySQL vs MySQL (NDB) Cluster: A High Level Comparison'. If you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.

 

In this webinar, Severalnines VP of Products, Alex Yu, who was part of the team at Ericsson who originally developed the NDB storage engine in 2001, gave an overview of the two clustering architectures and discussed their respective strengths and …

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9 DevOps Tips for Going in Production with Galera Cluster for MySQL - Webinar Replay & Slides
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November 14, 2014 By Severalnines

Thanks to everyone who attended and participated in this week's webinar on '9 DevOps Tips for Going in Production with Galera Cluster for MySQL'. If you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.

 

In this webinar, Severalnines CTO Johan Andersson discussed 9 key aspects to consider before taking Galera Cluster for MySQL into production:

  • 101 Sanity Check
  • Operating System
  • Backup Strategies
  • Galera Recovery
  • Query …
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Optimizing MySQL for Zabbix
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This blog post was inspired by my visit at the annual Zabbix Conference in Riga, Latvia this year, where I gave a couple of talks on MySQL and beyond.

It was a two day single-track event with some 200 participants, a number of interesting talks on Zabbix (and related technologies) and really well-organized evening activities. I was amazed how well organized the event …


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PagerDuty Incident Alerting for ClusterControl
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September 22, 2014 By Severalnines

Need to add phone and SMS alerting to ClusterControl? ClusterControl 1.2.8 introduces support for PagerDuty, an alerting service for Ops teams to schedule on-calls and add phone and SMS notifications to IT tools. By integrating PagerDuty with ClusterControl, you can start receiving phone, SMS and email notifications for all important database events as monitored by ClusterControl. Alerts go directly to the right person who can solve the issue.

This integration is possible thanks to a new plugin interface, that …

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Time to forget show processlist for monitoring?
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Disclaimer: I’m not specially an expert of benchmarking, this post is to compare different options. All comments and advices are welcome.

I’m not telling you anything new, the show processlist command is a fantastic command line tool for instant check.
But what about monitor your databases with this command embedded in a tool?

Just have a look at this graph:

With 5K queries per seconds, how much will be hidden with a show processlist executed every seconds? …


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We’d love to go to Paris for the OpenStack Summit - please vote for our talks!
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August 6, 2014 By Severalnines

 

Well over a thousand sessions have been submitted for the OpenStack Summit and two of them includes our good selves! We’ve submitted two talks with partners of ours: 

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Announcing ClusterControl Support for MariaDB 10
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July 22, 2014 By Severalnines

We just wanted to make it official: Severalnines ClusterControl now supports MariaDB 10!

 

As most of you know will know by now, MariaDB 10 is the newest and most advanced version of the popular MariaDB relational database system. Whilst remaining application-compatible with the MySQL database, it adds many new capabilities to address the most challenging web and enterprise application use cases. Cluster deployments would be based on MariaDB Galera Cluster 10, which is a complete merge of MariaDB 10.0.12 and Galera …

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Monitoring DML/slow queries with graphite
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pt-query-digest, Anemometer or "Anemomaster" do a great job of analysing your queries and giving you visibility into what's going on with your MySQL servers. However, the place where the query digests are written is just some MySQL tables on some server. Do you have monitoring/alerts on that table? How will you verify a specific query does not exceed some runtime/execution …

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"Anemomaster": DML visibility. Your must-do for tomorrow
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Here's our take of master DML query monitoring at Outbrain (presented April 2014). It took a half-day to code, implement, automate and deploy, and within the first hour of work we managed to catch multiple ill-doing services and scripts. You might want to try this out for yourself.

What's this about?

What queries do you monitor on your MySQL servers? Many don't monitor queries at all, and only look up slow queries on occasion, using …

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mycheckpoint, discontinued
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Time to admit to myself: mycheckpoint has to be discontinued.

I started mycheckpoint back in 2009, as a free & open source lightweight monitoring tool for MySQL. Over some years it evolved and became an actual (lightweight) monitoring solution, used by many. It has a unique and original design, which, alas, is also its bane.

mycheckpoint uses the relational model & SQL to store and query monitored metrics. This leads to quite a sophisticated service, which can make practically anything visible to the user. The raw data is just numbers. …

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Showing entries 1 to 10 of 147 10 Older Entries

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