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Percona Database Performance Blog





Last Build Date: Fri, 17 Nov 2017 16:45:26 +0000

 



This Week in Data with Colin Charles 15: Percona Live 2018 Call for Papers and Best Practices for Observability

Fri, 17 Nov 2017 14:10:01 +0000

(image) Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. So we have announced the call for presentations for Percona Live Santa Clara 2018. Please send your submissions in! As you probably already know, we have been expanding the content to be more than just […]



Understanding how an IST donor is selected

Wed, 15 Nov 2017 16:11:44 +0000

(image) In a clustering environment, we often see a node that needs to be taken down for maintenance. For a node to rejoin, it should re-sync with the cluster state. In PXC (Percona XtraDB Cluster), there are 2 ways for the rejoining node to re-sync: State Snapshot Transfer (SST) and Incremental State Transfer (IST). SST involves […]



ZFS from a MySQL perspective

Wed, 15 Nov 2017 10:44:29 +0000

(image) Since the purpose of a database system is to store data, there is close relationship with the filesystem. As MySQL consultants, we always look at the filesystems for performance tuning opportunities. The most common choices in term of filesystems are XFS and EXT4, on Linux it is exceptional to encounter another filesystem. Both XFS and […]



Webinars on Wednesday November 15, 2017: Proxy Wars and Percona Software Update for Q4

Tue, 14 Nov 2017 18:00:04 +0000

(image) Do you need to get to grips with MySQL proxies? Or maybe you could do with discovering the latest developments and plans for Percona’s software? Well, wait no more because … on Wednesday November 15, 2017, we bring you a webinar double bill. Join Percona’s Chief Evangelist, Colin Charles as he presents “The Proxy Wars […]



Common MongoDB Topologies

Tue, 14 Nov 2017 10:34:35 +0000

(image) In this blog post, we’ll look at some common MongoDB topologies used in database deployments. The question of the best architecture for MongoDB will arise in your conversations between developers and architects. In this blog, we wanted to go over the main sharded and unsharded designs, with their pros and cons. We will first look […]



Percona Live Open Source Database Conference 2018 Call for Papers Is Now Open!

Mon, 13 Nov 2017 18:09:58 +0000

(image) Announcing the opening of the Percona Live Open Source Database Conference 2018 in Santa Clara, CA, call for papers. It will be open from now until December  22, 2017. Our theme is “Championing Open Source Databases,” with topics of MySQL, MongoDB and other open source databases, including PostgreSQL, time series databases and RocksDB. Sessions tracks include Developers, Operations […]



This Week in Data with Colin Charles 14: A Meetup in Korea and The Magic Quadrant

Fri, 10 Nov 2017 11:03:23 +0000

(image) Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. We’re close to opening up the call for papers for Percona Live Santa Clara 2018 and I expect this to happen next week. We also have a committee all lined up and ready to vote on submissions. […]



MySQL and Linux Context Switches

Thu, 09 Nov 2017 19:50:26 +0000

(image) In this blog post, I’ll look at MySQL and Linux context switches and what is the normal number per second for a database environment. You might have heard many times about the importance of looking at the number of context switches to indicate if MySQL is suffering from the internal contention issues. I often get […]



Using Prometheus to Check for auto_increment Value Exhaustion

Wed, 08 Nov 2017 19:48:41 +0000

(image) In this blog post, we’ll look at how to use Prometheus to check for auto_increment value exhaustion. One of the proactive tasks DBAs perform is checking if a field defined as auto_increment is about to reach the maximum allowed value of the int definition. For example, if a field is defined as smallint unsigned and […]



Upcoming MongoDB Security Webinar November 8, 2017: Enhanced Security Using LDAP Authentication

Tue, 07 Nov 2017 15:58:23 +0000

(image) Join Percona’s Senior Technical Services Engineer Adamo Tonete as he presents MongoDB Security Webinars: Enhanced Security Using LDAP Authentication on Wednesday, November 8, 2017 at 11:00 am PST / 2:00 pm EST (UTC-8). Experience: Intermediate Tags: SysAdmin, DBAs In this webinar, we are going to demonstrate how to configure Percona Server for MongoDB in a […]