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Showing entries 1 to 10 of 122 10 Older Entries

Displaying posts with tag: Percona XtraDB Cluster (reset)

Galera Error Failed to Report Last Committed (Interrupted System Call)
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In this blog, we’ll discuss the ramifications of the Galera Error Failed to Report Last Committed (Interrupted System Call).

I have recently seen this error with Percona XtraDB Cluster (or Galera):

[Warning] WSREP: Failed to report last committed 549684236, -4 (Interrupted system call)

It was posted in launchpad as a bug in 2013: https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1434646

My colleague Przemek replied, and explained it as:

Reporting the last …

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Percona XtraDB Cluster 5.6.29-25.15 is now available
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Percona
is glad to announce the new release of Percona XtraDB Cluster 5.6 on May 20, 2016. Binaries are available from the downloads area or our software repositories.

Percona XtraDB Cluster 5.6.29-25.15 is now the …


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Understanding GCache and Record-Set Cache in Percona XtraDB Cluster
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In this blog, we will examine the differences between GCache and Record-Set Cache in Percona XtraDB Cluster.

In Percona XtraDB Cluster (PXC), there is the concept of GCache and Record-Set cache (which can also be called transaction write-set cache). The use of these two caches is often confusing if you are running long transactions, as both of them result in the creation of disk-level files. Let’s understand what their main differences are.

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Understanding Percona XtraDB Cluster threading model
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In this blog, we’ll discuss how the Percona XtraDB Cluster threading model works.

Percona XtraDB Cluster (PXC) creates a different set of threads to service its operations. These threads are in addition to existing MySQL threads. Let’s understand what these threads are and how they’re used. There are three main groups of threads:

  1. Applier thread(s)
    1. Applier threads are meant to apply write-sets that the node receives from other nodes …
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Percona XtraDB Cluster 5.6.28-25.14 is now available
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Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on January 29, 2016. Binaries are available from the downloads area or from our software repositories.

Percona XtraDB Cluster 5.6.28-25.14 is now the current release, based on the …

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Percona XtraDB Cluster 5.6.27-25.13 is now available
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Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on January 11, 2016. Binaries are available from the downloads area or from our software repositories.

Percona XtraDB Cluster 5.6.27-25.13 is now the current release, based on the …

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Better high availability: MySQL and Percona XtraDB Cluster with good application design
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High Availability

Have you ever wondered if your application should be able to work in read-only mode? How important is that question?

MySQL seems to be the most popular database solution for web-based products. Most typical Internet application workloads consist of many reads, with usually few writes. There are exceptions of course – MMO games for instance – but …

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A first look at RDS Aurora
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Recently, I happened to have an onsite engagement and the goal of the engagement was to move a database service to RDS Aurora. Like probably most of you, I knew the service by name but I couldn’t say much about it, so, I Googled, I listened to talks and I read about it. Now that my onsite engagement is over, here’s my first impression of Aurora.

First, let’s describe the service itself. It is part of RDS and, at first glance, very similar to a regular RDS instance. In order to setup an Aurora instance, you go to the RDS console and you …

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Proxy Protocol and Percona XtraDB Cluster: A Quick Guide
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On September 21st, we released Percona XtraDB Cluster 5.6.25. This is the first PXC release supporting proxy-protocol that has been included in Percona Server since 5.6.25-73.0.

With this blog post, I want to promote a new feature that you may have ignored.

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Percona XtraDB Cluster 5.6.26-25.12 is now available
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Percona is glad to announce the new release of Percona XtraDB Cluster 5.6 on October 15th 2015. Binaries are available from downloads area or from our software repositories.

Based on Percona Server

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Showing entries 1 to 10 of 122 10 Older Entries

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