All posts by Hemant Dangi

About Hemant Dangi

I am Hemant Dangi working as a developer @ MySQL since 2012.

Protecting your data – Part II: Preventing unwanted data changes on Group Replication members by asynchronous replication channels

Further to our earlier blog post about Fail-safe enhancements to Group Replication, where we discussed enhancements against data modification in members which are not ONLINE, we now present here additional changes to protect data from being accidentally modified by asynchronous replication channels.…

Group Replication Features backported to MySQL 5.7

We have brought further enhancement to MySQL Group Replication 5.7 release by backporting some most requested features to MySQL 5.7.20 release:

  • Member weight for automatic primary election on failover
  • Disallow writes after leaving the group

And to MySQL 5.7.19 release:

  • Transaction savepoint support

 

Member weight for automatic primary election on failover

The Member weight for automatic primary election on failover feature will allow user to influence primary member election using a integer member weight value.…

MySQL Group Replication: Auto-increment configuration/handling

In 0.5.0 version of MySQL Group Replication plugin, we have introduced the Auto-increment configuration/handling feature through which auto increment variables (auto_increment_increment and auto_increment_offset) are auto configured by the plugin, so that different members of the group don’t generate duplicated auto increment values.…