Tue, 13 Feb 2024 00:45:34 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.2 https://www.percona.com/blog/wp-content/uploads/2023/02/cropped-percona-favicon-32x32.png 32 32 76301791 https://www.percona.com/blog/meltdown-spectre-cpu-security-vulnerabilities/ https://www.percona.com/blog/meltdown-spectre-cpu-security-vulnerabilities/#comments Thu, 04 Jan 2018 22:44:52 +0000 https://www.percona.com/blog/?p=46910 In this blog post, we examine the recent revelations about CPU security vulnerabilities.The beginning of the new year also brings to light fresh and new CPU security vulnerabilities. Today’s big offenders originate on the hardware side – more specifically, the CPU. The reported hardware kernel bugs allow for direct access to data held in the computer/server’s […]]]> https://www.percona.com/blog/meltdown-spectre-cpu-security-vulnerabilities/feed/ 4 46910 https://www.percona.com/blog/percona-xtradb-cluster-galera-cluster-mysql-group-replication-q/ https://www.percona.com/blog/percona-xtradb-cluster-galera-cluster-mysql-group-replication-q/#comments Fri, 23 Jun 2017 18:45:59 +0000 https://www.percona.com/blog/?p=44139 Thank you for attending the Wednesday, June 21, 2017 high availability webinar titled Percona XtraDB Cluster, Galera Cluster, MySQL Group Replication. In this blog, I will provide answers to the Q & A for that webinar.You can find the slides and a recording of the webinar here.Is there a minimum MySQL server version for Group Replication?MySQL […]]]> https://www.percona.com/blog/percona-xtradb-cluster-galera-cluster-mysql-group-replication-q/feed/ 1 44139 https://www.percona.com/blog/mysql-ransomware-open-source-database-security-part-3/ https://www.percona.com/blog/mysql-ransomware-open-source-database-security-part-3/#comments Mon, 27 Feb 2017 22:28:12 +0000 https://www.percona.com/blog/?p=41587 This blog post examines the recent MySQL® ransomware attacks, and what open source database security best practices could have prevented them.Unless you’ve been living under a rock, you know that there has been an uptick in ransomware for MongoDB and Elasticsearch deployments. Recently, we’re seeing the same for MySQL.Let’s look and see if this is MySQL’s fault.Other Ransomware […]]]> https://www.percona.com/blog/mysql-ransomware-open-source-database-security-part-3/feed/ 1 41587 https://www.percona.com/blog/how-to-manually-build-percona-server-rpm-packages/ Fri, 20 Jan 2017 17:58:07 +0000 https://www.percona.com/blog/?p=40244 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 to our […]]]> 40244 https://www.percona.com/blog/cve-2016-6225-percona-xtrabackup-encryption-iv-not-set-properly/ Thu, 12 Jan 2017 21:34:07 +0000 https://www.percona.com/blog/?p=40232 If you are using Percona XtraBackup with [crayon-664c98d9190ef731355245-i/] to create encrypted backups, and are using versions older than 2.3.6 or 2.4.5, we advise that you upgrade Percona XtraBackup.Note: this does not affect encryption of encrypted InnoDB tables.CVE-2016-6225Percona XtraBackup versions older than 2.3.6 or 2.4.5 suffered an issue of not properly setting the Initialization Vector (IV) for encryption. This could allow […]]]> 40232 https://www.percona.com/blog/database-affected-cve-2016-6662/ https://www.percona.com/blog/database-affected-cve-2016-6662/#comments Mon, 12 Sep 2016 22:55:21 +0000 https://www.percona.com/blog/?p=38072 In this blog post, I will discuss the CVE-2016-6662 vulnerability, how to tell if it affects you, and how to prevent the vulnerability from affecting you if you have an older version of MySQL.I’ll also list which MySQL versions include the vulnerability fixes.As we announced in a previous post, there are certain scenarios in Percona Server […]]]> https://www.percona.com/blog/database-affected-cve-2016-6662/feed/ 28 38072 https://www.percona.com/blog/percona-live-advanced-percona-xtradb-cluster-nutshell-la-suite/ Wed, 06 Apr 2016 16:30:33 +0000 https://www.percona.com/blog/?p=34606 This blog post will discuss what is necessary of the Percona Live  Advanced Percona XtraDB Cluster tutorial.Percona Live 2016 is happening in April! If you are attending, and you are registered to the Percona XtraDB Cluster (Galera) tutorial presented by Kenny and myself, please make sure that you: Bring your laptop, this is a hands-on […]]]> 34606 https://www.percona.com/blog/orchestrator-mysql-replication-topology-manager/ https://www.percona.com/blog/orchestrator-mysql-replication-topology-manager/#comments Tue, 08 Mar 2016 22:42:06 +0000 https://www.percona.com/blog/?p=33848 This blog post discusses Orchestrator: MySQL Replication Topology Manager.What is Orchestrator?Orchestrator is a replication topology manager for MySQL.It has many great features: The topology and status of the replication tree is automatically detected and monitored Either a GUI, CLI or API can be used to check the status and perform operations Supports automatic failover of the […]]]> https://www.percona.com/blog/orchestrator-mysql-replication-topology-manager/feed/ 18 33848 https://www.percona.com/blog/check-for-mysql-slave-lag-with-percona-toolkit-plugin-for-tungsten-replicator/ Wed, 09 Jul 2014 13:28:07 +0000 https://www.percona.com/blog/?p=24379 24379 https://www.percona.com/blog/benchmarking-tesoras-database-virtualisation-engine-sysbench/ Tue, 24 Jun 2014 12:00:58 +0000 https://www.percona.com/blog/?p=23889 23889 https://www.percona.com/blog/fosdem-2014-mysql-devroom-community-dinner-brussels-saturday-1-february/ Mon, 27 Jan 2014 06:00:34 +0000 https://www.percona.com/blog/?p=20549 20549 https://www.percona.com/blog/fosdem-2014-mysql-friends-community-dinner/ https://www.percona.com/blog/fosdem-2014-mysql-friends-community-dinner/#comments Thu, 16 Jan 2014 19:04:31 +0000 https://www.percona.com/blog/?p=20336 https://www.percona.com/blog/fosdem-2014-mysql-friends-community-dinner/feed/ 1 20336 https://www.percona.com/blog/pluk2013-tutorial-mysql-dba-hands-on/ Wed, 09 Oct 2013 05:00:20 +0000 https://www.percona.com/blog/?p=18265 18265 https://www.percona.com/blog/innotop-1-9-1-released/ https://www.percona.com/blog/innotop-1-9-1-released/#comments Fri, 12 Jul 2013 14:48:18 +0000 https://www.percona.com/blog/?p=16864 https://www.percona.com/blog/innotop-1-9-1-released/feed/ 4 16864 https://www.percona.com/blog/fosdem-2013-mysql-and-friends-community-dinner/ https://www.percona.com/blog/fosdem-2013-mysql-and-friends-community-dinner/#comments Wed, 16 Jan 2013 13:40:13 +0000 https://www.percona.com/blog/?p=12401 https://www.percona.com/blog/fosdem-2013-mysql-and-friends-community-dinner/feed/ 3 12401 https://www.percona.com/blog/a-closer-look-at-percona-xtradb-cluster-for-mysql/ Tue, 04 Dec 2012 17:19:35 +0000 https://www.percona.com/blog/?p=11822 11822 https://www.percona.com/blog/speaking-at-percona-live-london-2012-choosing-hardware-for-mysql/ https://www.percona.com/blog/speaking-at-percona-live-london-2012-choosing-hardware-for-mysql/#comments Mon, 19 Nov 2012 13:54:41 +0000 https://www.percona.com/blog/?p=11613 https://www.percona.com/blog/speaking-at-percona-live-london-2012-choosing-hardware-for-mysql/feed/ 4 11613 https://www.percona.com/blog/percona-is-speaking-at-open-source-data-center-conference-in-nuremberg-germany/ Thu, 19 Apr 2012 12:02:37 +0000 https://www.percona.com/blog/?p=9282 9282 https://www.percona.com/blog/free-percona-live-london-reception-at-revolution-bar/ Tue, 25 Oct 2011 11:06:27 +0000 https://www.percona.com/blog/?p=7201 7201 https://www.percona.com/blog/mysql-friends-meetup-fosdem/ https://www.percona.com/blog/mysql-friends-meetup-fosdem/#comments Mon, 31 Jan 2011 22:31:23 +0000 https://www.percona.com/blog/?p=4687 https://www.percona.com/blog/mysql-friends-meetup-fosdem/feed/ 9 4687