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Q&A: “Percona XtraDB Cluster 5.7 and ProxySQL for Your High Availability Needs” Webinar

and  | May 3, 2018 |  Posted In: MySQL, Percona XtraDB Cluster, Technical Webinars

High Availability

On March 22, 2018, we held a webinar on how Percona XtraDB cluster 5.7 (PXC) and ProxySQL can help achieve your database clustering high availability needs. Firstly, thanks to all the attendees for taking time to attend the webinar and we are sure you had a webinar experience. We tried answering some of your high […]

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FLUSH and LOCK Handling in Percona XtraDB Cluster

 | March 21, 2018 |  Posted In: Insight for DBAs, MySQL, Percona XtraDB Cluster

FLUSH and LOCK Handling

In this blog post, we’ll look at how Percona XtraDB Cluster (PXC) executes FLUSH and LOCK handling. Introduction Percona XtraDB Cluster is a multi-master solution that allows parallel execution of the transactions on multiple nodes at the same point in time. Given this semantics, it is important to understand how Percona XtraDB Cluster executes statements regarding FLUSH […]

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Webinar Thursday, March 22, 2018: Percona XtraDB Cluster 5.7 with ProxySQL for Your MySQL High Availability and Clustering Needs

and  | March 20, 2018 |  Posted In: high availability, High-availability, MySQL, Percona XtraDB Cluster, ProxySQL, Technical Webinars

MySQL high availability

Please join Percona’s Ramesh Sivaraman (QA Engineer) and Krunal Bauskar (Software Engineer, Percona XtraDB Cluster Lead) as they present Percona XtraDB Cluster 5.7 with ProxySQL for Your MySQL High Availability and Clustering Needs on Thursday, March 22, 2018 at 8:30 am PDT (UTC-7) / 11:30 am EDT (UTC-4). Percona has developed Percona XtraDB Cluster (based […]

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Webinar Q&A: Percona XtraDB Cluster 101

 | December 19, 2017 |  Posted In: High-availability, MySQL, Percona XtraDB Cluster, Technical Webinars

InnoDB Performance Optimization

In this blog, we will answer questions from our webinar on Percona XtraDB Cluster 101. Recently (7 Dec 2017) I presented a webinar about Percona XtraDB Cluster 101. Firstly, thanks to all the attendees: we had a great webinar with quite some interesting questions and feedback. Through this blog, I’ll answer most of the questions […]

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Demystifying Sequence Numbers (seqno) in Percona XtraDB Cluster

 | December 14, 2017 |  Posted In: High-availability, MySQL, Percona XtraDB Cluster

sequence numbers

In this blog post, we’ll look at how sequence numbers work in Percona XtraDB Cluster. Introduction Percona XtraDB Cluster uses multiple sequence numbers (seqno), each having a special role to play. Let’s try to understand the significance of each sequence number. global_seqno An active Percona XtraDB Cluster cluster has multiple write-sets (transactions) generated from one […]

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Webinar Thursday, December 7, 2017: Percona XtraDB Cluster (PXC) 101

and  | December 6, 2017 |  Posted In: High-availability, Insight for DBAs, MySQL, Technical Webinars

High Availability

Join Percona’s Software Engineer (PXC Lead), Krunal Bauskar as he presents Percona XtraDB Cluster 101 on Thursday, December 7, 2017, at 7:00 am PST / 10:00 am EST (UTC-8). Tags: Percona XtraDB Cluster, MySQL, High Availability, Clustering Experience Level: Beginner Percona XtraDB Cluster (PXC) is a multi-master solution that offers virtual synchronous replication among clustering […]

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Faster Node Rejoins with Improved IST performance

and  | July 21, 2017 |  Posted In: MySQL, Percona XtraDB Cluster

IST Performance

In this blog, we’ll look at how improvements to Percona XtraDB Cluster improved IST performance. Introduction Starting in version 5.7.17-29.20 of Percona XtraDB Cluster significantly improved performance. Depending on the workload, the increase in throughput is in the range of 3-10x. (More details here). These optimization fixes also helped improve IST (Incremental State Transfer) performance. This […]

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Differences in PREPARE Statement Error Handling with Binary and Text Protocol (Percona XtraDB Cluster / Galera)

 | July 5, 2017 |  Posted In: Insight for DBAs, MySQL, Percona XtraDB Cluster

PREPARE Statement

In this blog, we’ll look at the differences in how a PREPARE statement handles errors in binary and text protocols. Introduction Since Percona XtraDB Cluster is a multi-master solution, when an application executes conflicting workloads one of the workloads gets rolled back with a DEADLOCK error. While the same holds true even if you fire […]

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