Tag: Group Replication

Feed: Planet MySQL; Author: Valeriy Kravchuk; While MySQL 8.0.x hardly has much impact on my regular work, recent MySQL 5.7.20 release is something to check carefully. MySQL 5.7 is widely used in production, as a base for Percona Server 5.7, some features may be merged into MariaDB 10.x etc. So, here is my review of some community reported bugs that were fixed in recently released MySQL 5.7.20, based on the release notes.Usually I start with InnoDB bug fixes, but in 5.7.20 several related fixes were made only to bugs reported internally. So, this time I have to start with partitioning: ... Read More

Feed: Planet MySQL; Author: MyDBOPS; Open Source India (OSI) is the premier Open Source conference in Asia targeted at nurturing and promoting the Open Source ecosystem in the subcontinent. Started as Linux Asia in 2004, OSI has been at the helm of bringing together the Open Source industry and the community since its inception. The objective of OSI is to convince you for the adoption of Open Source when you’re looking for software, using quantitative measures and NOT because these are cost free.. OSI emphasizes quantitative measures (such as use case experiments and case studies) to justify why using OSS is, in ... Read More

Feed: Percona Database Performance Blog. Author: Lorraine Pocklington. Lorraine Pocklington  | September 25, 2017 |  Posted In: Group Replication, High-availability, InnoDB, Insight for DBAs, Insight for Developers, MongoDB, MySQL, Percona Live PREVIOUS POST Welcome to the first day of the Percona Live Open Source Database Conference Europe 2017: Tutorials day! Technically the first day of the conference, this day focused on provided hands-on tutorials for people interested in learning directly how to use open source tools and technologies. Today attendees went to training sessions taught by open source database experts and got first-hand experience configuring, working with, and experimenting with various open source ... Read More

Feed: Planet MySQL; Author: Oracle MySQL Group; We are pleased to announce that MySQL Enterprise Monitor 3.4.3 is now available for download on the My Oracle Support (MOS) web site. It will also be available for download via the Oracle Software Delivery Cloud in a few days. MySQL Enterprise Monitor is the best-in-class tool for monitoring and management of your MySQL assets and is included with your MySQL Enterprise Edition and MySQL Cluster Carrier Grade Edition subscriptions. You can find more information on the contents of this release in the change log. Highlights of MySQL Enterprise Monitor 3.4 include: The Replication ... Read More

Feed: Planet MySQL; Author: MySQL High Availability; Great news! MySQL 8.0.3 is out and it is a release candidate. In the replication team we have been busy working on interesting new enhancements and also doing some clean up. Some of these new features are out in this release. Let me summarize the new replication bits and pieces in MySQL 8.0.3. Group Replication has been extended with the following features: Dynamic tracing and debugging log for Group Replication. Allows tracing and debugging information that can be activated dynamically, without serious impact on performance. This will help troubleshoot issues, especially those that ... Read More

Feed: Planet MySQL; Author: Geir Hoydalsvik; The MySQL Development team is very happy to announce that MySQL 8.0.3, the first 8.0 Release Candidate (RC1), is now available for download at dev.mysql.com (8.0.3 adds features to 8.0.2, 8.0.1 and 8.0.0). The source code is available at GitHub. You can find the full list of changes and bug fixes in the 8.0.3 Release Notes. Here are the highlights. Enjoy! Histograms Using histogram statistics in the optimizer (WL#9223) – This work by Erik Froseth makes use of histogram statistics in the optimizer. The primary use case for histogram statistics is for calculating the ... Read More

Feed: Planet MySQL; Author: Serge Frezefond; Comparing Oracle MySQL Group Replication and Galera Cluster through a probability perpective seems quite interesting.At commit time both use a group certification process that requires network round trips. The required time for these network roundtrips is what will mainly determined the cost of a transaction. Let us try to compute an estimate of the certification process cost. The duration of these network roundtrips duration can be model by random variable with an associated probability distribution law. For Galera all nodes take part in the process so the time taken is dimensioned by the worst ... Read More

Feed: Percona Database Performance Blog. Author: Yves Trudeau. Yves Trudeau  | September 15, 2017 |  Posted In: High-availability, Maxscale, MySQL, ProxySQL PREVIOUS POST This post is the third of a series focusing on the MySQL high availability solutions available in 2017. The first post looked at the elders, the technologies that have been around for more than ten years. The second post talked about the adults, the more recent and mature technologies. In this post, we will look at the emerging MySQL high availability solutions. The “baby” MySQL high availability solutions I chose for the blog are group replication, proxies and distributed storage ... Read More

Feed: Planet MySQL; Author: Oracle MySQL Group; As continue of the previous blog posted on Aug 17, 2017, please find below a list conferences & events where you can find MySQL Community team or MySQL experts during the period of second half of September till end of December. The ones which are new are marked below. Please be aware that the list does not have to be final and during the time more events could be added or some of them removed.  Madison PHP, Madison, US, Sep 22-23, 2017​ MySQL Community team is supporting this PHP conference as Community partner. Oracle ... Read More

Feed: Planet MySQL; Author: Frederic Descamps; MySQL Team speaking at Percona Live Dublin 2017 – lefred's blog: tribulations of a MySQL Evangelist From September 25th to 27th 2017, the MySQL engineers and community team will be speaking at Percona Live Europe in Dublin. MySQL is also part of the contributing sponsors. For the conference, we tried to bring new faces to the Community. Usually, it’s always the same famous team leaders speaking at the conferences, this time, it’s not. A lot of key developers will present their own work. We have so much talented people in MySQL we want to ... Read More