Join Percona CEO Peter Zaitsev as he presents Percona Software News and Roadmap Update on Wednesday, February 6, 2019, at 11:00 AM PST (UTC-8) / 2:00 PM EST (UTC-5).
Come and listen to Percona CEO Peter Zaitsev discuss what’s new in Percona open source software. Topics include Percona Server for MySQL and MongoDB, Percona XtraBackup, Percona Toolkit, Percona XtraDB Cluster and Percona Monitoring and Management.
During this …
[Read more]While the PMM team works hard on our PMM 2.0 release, we have been working on a few things in the background which we’d like to show off ! In particular we have developed a new dashboard that displays metrics related to memory usage on Linux systems. The dashboard leverages information collected by node_exporter. The graphs take advantage of /proc filesystem files, specifically:
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[Read more]Percona is glad to announce the release of Percona Server for MySQL 5.6.43-84.3 on January 29, 2019 (Downloads are available here and from the Percona Software Repositories).
This release merges changes of MySQL 5.6.43, including all the bug fixes in it. Percona Server for MySQL 5.6.43-84.3 is now the current GA release in the 5.6 series. All of Percona’s software is open-source and free.
Bugs Fixed
Please join Percona’s Senior Technical Manager, Alkin Tezuysal, and Percona’s Percona XtraDB Cluster Lead, Krunal Bauskar as they present their talk, Percona XtraDB Cluster: Failure Scenarios and their Recovery on Wednesday, January 30th, 2019, at 8:00 AM PST (UTC-8) / 11:00 AM EST (UTC-5).
Percona XtraDB Cluster (a.k.a PXC) is an open source, multi-master, high availability MySQL clustering solution. PXC works with your MySQL / …
[Read more]Percona announces the release of Percona Server for MySQL 8.0.13-4 on January 17, 2019 (downloads are available here and from the Percona Software Repositories). This release contains a fix for a critical bug that prevented Percona Server for MySQL 5.7.24-26 from being upgraded to version 8.0.13-3 if there are more than around 1000 tables, or if the maximum allocated InnoDB table ID is around 1000. Percona Server for MySQL 8.0.13-4 is now the current GA release in the 8.0 series.
All of Percona’s software is open-source and free.
Percona Server for MySQL 8.0 includes all the …
[Read more]Please join Percona’s Chief Technology Officer, Vadim Tkachenko, as he presents How to Rock with MyRocks on Thursday, January 17th at 10:00 AM PDT (UTC-7) / 1:00 PM EDT (UTC-4).
MyRocks is a new storage engine from Facebook and is available in Percona Server for MySQL. In what cases will you want to use it? We will check different workloads and when MyRocks is most suitable for you. Also, as for any new engine, it’s important to set it up and tune it properly. So, we will review the most important settings to pay attention to.
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[Read more]ProxySQL 1.4.13, released by ProxySQL, is now available for download in the Percona Repository along with an updated version of Percona’s proxysql-admin tool.
ProxySQL is a high-performance proxy, currently for MySQL and its forks (like Percona Server for MySQL and MariaDB). It acts as an intermediary for client requests seeking resources from the database. René Cannaò created ProxySQL for DBAs as a means of solving complex replication topology issues.
The ProxySQL 1.4.13 source and binary packages available at https://percona.com/downloads/proxysql …
[Read more]Percona announces the release of Percona Toolkit 3.0.13 for January 9, 2019.
Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL®, MongoDB® and system tasks that are too difficult or complex to perform manually. With over 1,000,000 downloads, Percona Toolkit supports Percona Server for MySQL, MySQL®, MariaDB®, Percona Server for MongoDB and MongoDB.
Percona Toolkit, like all Percona software, is free and open source. You can download packages …
[Read more]Please join Percona’s MySQL Product Manager, Tyler Duzan as he presents Walkthrough of Percona Server MySQL 8.0 on Wednesday, January 9th at 11:00 AM PDT (UTC-7) / 2:00 PM (UTC-4).
Our Percona Server for MySQL 8.0 software is the company’s free, enhanced, drop-in replacement for MySQL Community Edition. The software includes all of the great features in MySQL Community Edition 8.0. Additionally, it includes enterprise-class features from Percona made available free and open source. …
[Read more]Recently, I encountered a situation where MySQL gave error messages that I had never seen before:
2018-12-12T14:36:45.571440Z 0 [ERROR] Error log throttle: 150 'Can't create thread to handle new connection' error(s) suppressed 2018-12-12T14:36:45.571456Z 0 [ERROR] Can't create thread to handle new connection(errno= 11) 2018-12-12T14:37:47.748575Z 0 [ERROR] Error log throttle: 940 'Can't create thread to handle new connection' error(s) suppressed 2018-12-12T14:37:47.748595Z 0 [ERROR] Can't create thread to handle new connection(errno= 11)
I was thinking maybe we hit some
ulimit
limitations or similar, but all the usual suspects were set high enough, and we were not even close to them.
After googling and discussing with the customer, I found they had had similar issues in the past, and I learned something new. Actually it is relatively new, as it has been around for a few years but is not that well known. It is …
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