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MySQL Bug 72804 Workaround: “BINLOG statement can no longer be used to apply query events”

 | February 16, 2017 |  Posted In: MySQL

MySQL Bug 72804

In this blog post, we’ll look at a workaround for MySQL bug 72804. Recently I worked on a ticket where a customer performed a point-in-time recovery PITR using a large set of binary logs. Normally we handle this by applying the last backup, then re-applying all binary logs created since the last backup. In the middle of the […]

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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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Webinar Wednesday January 18, 2017: Lessons from Database Failures

 | January 17, 2017 |  Posted In: High-availability, MySQL, Technical Webinars

Join Percona’s Chief Evangelist Colin Charles on Wednesday, January 18, 2017, at 7:00 am (PST) / 10:00 am (EST) (UTC-8) as he presents “Lessons from Database Failures.” MySQL failures at scale can teach a great deal. MySQL failures can lead to a discussion about such topics as high availability (HA), geographical redundancy and automatic failover. […]

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How to Replace MySQL with Percona Server on a CPanel, WHM VPS or Dedicated Server

 | January 11, 2017 |  Posted In: Hardware and Storage, MySQL, Percona Server, Percona Software, Percona Toolkit, Percona XtraBackup

Replace MySQL with Percona Server

In this blog post, we’ll look at how to replace MySQL with Percona Server for MySQL on a CPanel, WHM VPS or dedicated server. In general, CPanel and WHM have been leaning towards support of MariaDB over other flavors. This is partly due to the upstream repos replacing the MySQL package with MariaDB (for example, […]

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Using Percona XtraBackup on a MySQL Instance with a Large Number of Tables

 | December 28, 2016 |  Posted In: Insight for DBAs, MySQL, Percona XtraBackup

CVE-2016-6225

In this blog post, we’ll find out how to use Percona XtraBackup on a MySQL instance with a large number of tables. As of Percona Xtrabackup 2.4.5, you are required to have enough open files to open every single InnoDB tablespace in the instance you’re trying to back up. So if you’re running innodb_file_per_table=1, and […]

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Percona Live Europe 2015 conference, tutorials schedule now available

 | July 9, 2015 |  Posted In: Events and Announcements, MySQL, Percona Live

The conference and tutorial schedule for Percona Live Europe 2015, September 21-23 in Amsterdam, was published this morning and this year’s event will focus on MySQL, NoSQL and Data in the Cloud. Conference sessions, which will follow each morning’s keynote addresses, feature a variety of formal tracks and sessions. Topic areas include: high availability (HA), […]

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TokuMX Hot Backup – Part 3

 | September 24, 2013 |  Posted In: Tokutek, TokuView

Last week I described TokuDB’s new Hot Backup feature.  This week we are going to briefly discuss the same feature, but as it was added to TokuMX, our version of MongoDB. Since the Hot Backup library is essentially a shim between MySQL and the Linux kernel, intercepting file system calls for the life of the […]

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TokuDB Hot Backup – Part 2

 | September 19, 2013 |  Posted In: Tokutek, TokuView

In my last post, I discussed the existing backup solutions for MySQL.  At the end I briefly discussed why the backup solutions for InnoDB do not apply to TokuDB.  Now I’m going to outline the backup solution we created.  Our solution works for both TokuDB and InnoDB.  It also has no knowledge of the log […]

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TokuDB Hot Backup – Part 1

 | September 12, 2013 |  Posted In: Tokutek, TokuView

There are multiple ways to backup a MySQL database. Some are more painful than others. In this two part blog we are going to discuss why the new hot backup system in TokuDB is special amidst the existing solutions. First let’s look at existing backup solutions for MySQL and InnoDB. Let’s start with the most […]

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