High Availability Solutions. Shutterstock.com
In this series of blog posts, I’m going to look at some high availability reference architecture solutions over geographically distributed areas.
The Problem
Nowadays, when businesses plan a new service or application, it is very common for them to worry about ensuring a very high level of availability.
It doesn’t matter if we […]
Recently, I’ve been working with a customer to evaluate the different cloud solutions for MySQL. In this post I am going to focus on maintenance windows and requirements, and what the different cloud platforms offer.
Why is this important at all?
Maintenance windows are required so that the cloud provider can do the necessary updates, patches, and […]
Parallel replication has been around for a few years now but is still not that commonly used. I had a customer where the master had a very large write workload. The slave could not keep up so I recommended to use parallel slave threads. But how can I measure if it really helps and […]
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To resolve a critical regression, Percona announces the release of Percona XtraDB Cluster 5.7.23-31.31.2 on October 2, 2018 Binaries are available from the downloads section or from our software repositories.
This release resolves a critical regression in Galera’s wsrep library and supersedes 5.7.23-31.31
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This release has been superseded by 5.7.23-31.31.2 after a critical regression was found. Please update to the latest release.
Percona is glad to announce the release of Percona XtraDB Cluster 5.7.23-31.31 on September 26, 2018. Binaries are available from the downloads section or from our software repositories.
Percona XtraDB Cluster 5.7.23-31.31 is now the current release, based on the […]
Percona announces the release of Percona XtraDB Cluster 5.6.41-28.28 (PXC) on September 18, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.41-28.28 is now the current release, based on the following:
Percona Server for MySQL 5.6.41
Codership WSREP API Rrelease 5.6.41
Codership Galera library 3.24
Fixed Bugs
PXC-1017: Memcached API is now disabled […]
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GTID replication has made it convenient to setup and maintain MySQL replication. You need not worry about binary log file and position thanks to GTID and auto-positioning. However, things can go wrong when pointing a slave to a different master. Consider a situation where the new master has executed transactions that haven’t been executed […]
Read morePercona announces the release of Percona XtraDB Cluster 5.7.22-29.26 (PXC) on June 29, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.7.22-29.26 is now the current release, based on the following:
Percona Server for MySQL 5.7.22
Galera/Codership WSREP API Release 5.7.21
Galera Replication library 3.23
Deprecated
The following variables are deprecated starting from this […]
Percona announces the release of Percona XtraDB Cluster 5.6.40-26.25 (PXC) on June 20, 2018. Binaries are available from the downloads section or our software repositories.
Percona XtraDB Cluster 5.6.40-26.25 is now the current release, based on the following:
Percona Server for MySQL 5.6.40
Galera/Codership WSREP API Release 5.6.39
Galera Replication library 3.23
All Percona software is open-source and free.
New […]
Let them stay together.
In the last YEARS, I have seen quite often that users, when installing a product such as PXC, instead of spending five minutes to understand what to do just run
iptables -F and save.
In short, they remove any rules for their firewall.
With this post, I want to show you how easy […]
