MySQL Group Replication (GR) is a MySQL Server plugin that enables you to create elastic, highly-available, fault-tolerant replication topologies. Groups can operate in a
single-primary mode with automatic primary election, where only one server accepts updates at a time. Alternatively, groups can be deployed in multi-primary mode, where all servers can accept updates, even if they are issued concurrently.…
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.…
Cluster connection pooling
The new MySQL Cluster 7.6 GA supports NDB connection pooling – using multiple NDBAPI connections from a single mysqld to NDB – to allow increased concurrency and throughput.
Cluster connection pooling has been supported in MySQL Cluster for quite a while.
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Protective convenience
Recent versions of MySQL has an added security feature, the –login-path option. This feature puts your username and password in an encrypted file, and you refer clients to this file instead of typing plain text passwords on the console, or putting them in scripts.
MySQL Cluster 7.6 is GA!
If you’re eager to give the recently announced MySQL Cluster 7.6 GA a spin, I’ll walk you through a quick and simple way to get started using MySQL Cluster Manager 1.4.6.
Bootstrap and go!
That simple.…
It gives us great pleasure to announce that the 7.6 release of MySQL Cluster is now ready for prime time.
MySQL Cluster is the distributed database combining linear scalability and high availability. It provides in-memory real-time access with transactional consistency across partitioned and distributed datasets designed for mission critical applications.…
In the Replication QA team, we have been continuing to improve test coverage for Replication and Group Replication primarily to ensure that we support the newest and latest offerings of MySQL Server 8.0 such as Generated Columns, Set Persist, User Roles, and User Management DDLs that are now atomic.…
Overview
In MCM 1.4.6, the list backups command has been extended with a new –agent option for listing agent backups created with the backup agents command.
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mcm> list backups --agent mysite; +------------+-------+---------+----------------------+---------+ | BackupId | Agent | Host | Timestamp | Comment | +------------+-------+---------+----------------------+---------+ | 1522914101 | 0 | tonfisk | 2018-04-05 07:41:41Z | | | 1522914105 | 0 | tonfisk | 2018-04-05 07:41:45Z | | | 1522914121 | 0 | tonfisk | 2018-04-05 07:42:01Z | | +------------+-------+---------+----------------------+---------+ 3 rows in set (0.00 sec) |
The output can be filtered with the –backupid option:
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mcm> list backups --agent --backupid=1522914121 mysite; +------------+-------+---------+----------------------+---------+ | BackupId | Agent | Host | Timestamp | Comment | +------------+-------+---------+----------------------+---------+ | 1522914121 | 0 | tonfisk | 2018-04-05 07:42:01Z | | +------------+-------+---------+----------------------+---------+ 1 row in set (0.07 sec) |
The backupids for agent backups reflect the Unix Epoch times at which the backups were taken.…
It is with extreme delight and a big smile on our face that we share the news that a new major MySQL release has been declared Generally Available (GA). The road to MySQL 8 was pretty eventful, sometimes painful and sometimes hard, always challenging, but nonetheless a great ride and an extremely rewarding journey for the engineers that have worked on it.…
Always having in mind providing the latest and the greatest features to our users, we decided to backport Hostname support in Group Replication Whitelist, starting in 5.7.21. Please check the developer blog in here and the official documentation here.
Download MySQL 5.7.21 GA release, and let us know your feedback or doubts through comments on this blog or MySQL bugs.…