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MySQL Group Replication… synchronous or asynchronous replication ?

After some feedback we received from early adopters or discussions during events like FOSDEM, I realized that there is some misconception about the type of replication that MySQL Group Replication is using. And even experts can be confused as Vadim’s blog post illustrated it. So, is MySQL Group Replication asynchronous or synchronous ?? … in fact it depends ! The … Read More


MySQL Day – Sessions review #9

Let’s finish these pre-FOSDEM MySQL Day Sessions reviews with Kenny Gryp‘s talk on MySQL Group Replication. Kenny is working at Percona as MySQL Practice Manager. Group Replication went Generally Available end of 2016, it introduces a (virtually) ‘synchronous’ active:active multi-master replication, in addition to asynchronous and semi-synchronous replication, the latter 2 being available in in MySQL for longtime. As with … Read More


pre-FOSDEM MySQL Day – change in the schedule

One of the talk will replaced in the schedule by a panel discussion moderated by Morgan Tocker on MySQL Group Replication & MySQL 8.0. The panel list will be composed of         These experts will answer questions from Morgan and from the audience. Don’t miss this great opportunity to ask your questions and participate to this discussion … Read More


MySQL Group Replication, the perfect HA database backend for web hosting

Many web hosting provider are looking for HA solution for the database backend they deliver to their customers. Galera never became the perfect choice for these environment due to 2 factors: no DBA really manage the databases Galera runs database changes in Total Order Isolation What does that really mean ? In fact, when you are a website hosting provider, … Read More


MySQL Group Replication: Videocast #1

Hi ! I’m starting a small series of videocast related to MySQL Group Replication. As I blogged earlier this year about Single-Primary or Multi-Primary Group Replication cluster, one of the limitation of using a cluster in Multi-Primary mode is the risk linked to concurrent DDLs (as ALTER STATEMENTS). In Group Replication, DDLs are not isolating the full cluster and write … Read More


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