Tag: MySQL

Backup and data streaming with xbstream, tar, socat, and netcat

On April 4th 2012 Xtrabackup 2.0 was released in to GA by Percona along with a new streaming feature called xbstream. This new tool allowed for compression and parallelism of streaming backups when running xtrabackup or innobackupex without having to…

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The State of MySQL High Availability Going in to 2018

High availability for MySQL has become increasingly relevant given the ever increasing rate of adoption and implementation. It’s no secret to anyone in the community that the popularity of MySQL has become noteworthy. I still remember my start with MySQL…

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Measuring the potential overhead of PMM Client on MySQL workloads

Having good historial metrics monitoring in place is critical for properly operating, maintaining and troubleshooting database systems, and Percona Monitoring and Management is one of the options we recommend to our clients for this. One common concern among potential users…

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Replicating in Google Cloud SQL using Tungsten

While investigating alternatives to migrate to Google Cloud SQL, I encountered a lack of support for external masters. However, it’s possible to overcome this limitation by replicating into Google Cloud SQL using Tungsten replicator. Cloud SQL is Google’s database-as-a-service solution,…

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MySQL Crashes on DDL statement: A Lesson on purge threads

Recently there have been several issues reported to me about DDL activity causing MySQL crash scenarios. In one case it stemmed from dropping multiple databases, one after the other in rapid succession. But in the case that I was recently…

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gh-ost hooks for better visibility

In this post I will show you how to leverage Github’s gh-ost hooks for greatly improving visibility of ongoing schema changes for your organization. One of the potential uses of gh-ost hooks is to send status updates. I will present you with…

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Log Buffer #522: A Carnival of the Vanities for DBAs

This edition of Log Buffer covers Cloud, Oracle, SQL Server and MySQL and much more.

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Log Buffer #521: A Carnival of the Vanities for DBAs

While cloud technologies are roaring ahead in full force; the traditional RDBMS like Oracle, Microsoft SQL Server and MySQL are adapting pretty fast. This Log Buffer Edition covers blogs related to that and more.

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Replicating from a higher to lower MySQL version

As we know, replication is only supported officially between consecutive major MySQL versions, and only from a lower version master to a higher version slave. This means for example, the following scenario is supported: 5.6 master –> 5.7 slave while these…

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Log Buffer #517: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Oracle, SQL Server and MySQL.

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