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Galera data on Percona Cloud Tools (and other MySQL monitoring tools)
I was talking with a Percona Support customer earlier this week who was looking for Galera data on Percona Cloud Tools. (Percona Cloud Tools, now in free beta, is a hosted service providing access to...
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Galera replication – how to recover a PXC cluster
Galera replication for MySQL brings not only the new, great features to our ecosystem, but also introduces completely new maintenance techniques. Are you concerned about adding such new complexity to...
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Migrating to Percona XtraDB Cluster 2014 edition: Sept. 10 MySQL webinar
Join me online next week (September 10 at 10 a.m. PDT) for my live webinar on Migrating to Percona XtraDB Cluster. This was a popular webinar that I gave a few years ago, so I’m doing it again with...
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Should you migrate to Percona XtraDB Cluster?
Interest in Percona XtraDB Cluster / Galera has been high ever since we introduced the product in 2012. I typically have a conversation about Galera and Percona XtraDB Cluster (PXC) at least once a...
View ArticleHAProxy: Give me some logs on CentOS 6.5!
HAProxy is frequently used as a load-balancer in front of a Galera cluster. While diagnosing an issue with HAProxy configuration, I realized that logging doesn’t work out of the box on CentOS 6.5. Here...
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Q&A: Percona XtraDB Cluster as a MySQL HA solution for OpenStack
Thanks to all who attended my Nov. 12 webinar titled, “Percona XtraDB Cluster as a MySQL HA Solution for OpenStack.” I had several questions which I covered at the end and a few that I didn’t. You can...
View ArticleTesting backup locks during Xtrabackup SST on Percona XtraDB Cluster
Background on Backup LocksI was very excited to see Backup locks support in release notes for the latest Percona XtraDB Cluster 5.6.21 release. For those who are not aware, backup locks offer an...
View ArticleDiagnosing SST errors with Percona XtraDB Cluster for MySQL
State Snapshot Transfer (SST) is used in Percona XtraDB Cluster (PXC) when a new node joins the cluster or to resync a failed node if Incremental State Transfer (IST) is no longer available. SST is...
View ArticleClik here to view.
Galera data on Percona Cloud Tools (and other MySQL monitoring tools)
I was talking with a Percona Support customer earlier this week who was looking for Galera data on Percona Cloud Tools. (Percona Cloud Tools, now in free beta, is a hosted service providing access to...
View ArticleClik here to view.
Galera replication – how to recover a PXC cluster
Galera replication for MySQL brings not only the new, great features to our ecosystem, but also introduces completely new maintenance techniques. Are you concerned about adding such new complexity to...
View ArticleClik here to view.
Migrating to Percona XtraDB Cluster 2014 edition: Sept. 10 MySQL webinar
Join me online next week (September 10 at 10 a.m. PDT) for my live webinar on Migrating to Percona XtraDB Cluster. This was a popular webinar that I gave a few years ago, so I’m doing it again with...
View ArticleClik here to view.
Should you migrate to Percona XtraDB Cluster?
Interest in Percona XtraDB Cluster / Galera has been high ever since we introduced the product in 2012. I typically have a conversation about Galera and Percona XtraDB Cluster (PXC) at least once a...
View ArticleHAProxy: Give me some logs on CentOS 6.5!
HAProxy is frequently used as a load-balancer in front of a Galera cluster. While diagnosing an issue with HAProxy configuration, I realized that logging doesn’t work out of the box on CentOS 6.5. Here...
View ArticleClik here to view.
Q&A: Percona XtraDB Cluster as a MySQL HA solution for OpenStack
Thanks to all who attended my Nov. 12 webinar titled, “Percona XtraDB Cluster as a MySQL HA Solution for OpenStack.” I had several questions which I covered at the end and a few that I didn’t. You can...
View ArticleTesting backup locks during Xtrabackup SST on Percona XtraDB Cluster
Background on Backup LocksI was very excited to see Backup locks support in release notes for the latest Percona XtraDB Cluster 5.6.21 release. For those who are not aware, backup locks offer an...
View ArticleDiagnosing SST errors with Percona XtraDB Cluster for MySQL
State Snapshot Transfer (SST) is used in Percona XtraDB Cluster (PXC) when a new node joins the cluster or to resync a failed node if Incremental State Transfer (IST) is no longer available. SST is...
View ArticleClik here to view.
Q&A: Multi-threaded Replication in MySQL 5.6 and MySQL 5.7
My webinar “Multi-threaded Replication in MySQL 5.6 and 5.7″ on February 25 generated several excellent questions following the presentation (available here for playback along with the slides). I...
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Test your knowledge: Percona XtraDB Cluster (PXC) quiz
I often talk with people who are very interested in the features of Percona XtraDB Cluster (PXC) such as synchronous and parallel replication, multi-node writing and high availability. However some get...
View ArticleIs 80% of RAM how you should tune your innodb_buffer_pool_size?
It seems these days if anyone knows anything about tuning InnoDB, it’s that you MUST tune your innodb_buffer_pool_size to 80% of your physical memory. This is such prolific tuning advice, it seems...
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Optimizing Percona XtraDB Cluster for write hotspots
Some applications have a heavy write workload on a few records – for instance when incrementing a global counter: this is called a write hotspot. Because you cannot update the same row simultaneously...
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