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HeatWave – A MySQL cloud feature to speed up your queries

If you have (too) long running select queries it is probably because of lack of relevant indexes, problematic schema that lead to poor queries or inadequate hardware.

That said, sometime even if you doing it right, the query execution time could be too long regarding of what the application or your users expect. It is often true for reporting, real time analytics or BI queries.

At Oracle we have developed Heatwave, that allow you to easily run high performance analytics against your MySQL database.

To be more precise, Heatwave is a massively-scalable integrated analytics engine for MySQL Database Service (MDS), the MySQL DBaaS in Oracle Cloud Infrastructure (OCI).

Some key points of Heatwave:

- Single MySQL database for OLTP & analytics applications
- All existing applications work without any changes
- Extreme performance:
+ 400x faster than MySQL, scales to thousands of cores …

[Read more]
Automatic connection failover for Asynchronous Replication

Since MySQL 8.0.22 there is a mechanism in asynchronous replication that makes the receiver automatically try to re-establish an asynchronous replication connection to another sender, in case the current connection gets interrupted due to the failure of the current sender.

The post Automatic connection failover for Asynchronous Replication first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Dual Password Support

Dual-password capability makes it possible to seamlessly perform credential changes without downtime.

The post MySQL Security – Dual Password Support first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Failed-Login Tracking and Temporary Account Locking

DBA can configure user accounts such that too many consecutive login failures cause temporary account locking.

The post MySQL Security – Failed-Login Tracking and Temporary Account Locking first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Password Verification-Required Policy

MySQL 8.0 has introduced an optional behavior that authorize users to change their password only if they could provide the current password.

The post MySQL Security – Password Verification-Required Policy first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Password Reuse Policy

MySQL provides password-reuse capability, which allows database administrators to determine the number of unique passwords a user must use before they can use an old password again.

The post MySQL Security – Password Reuse Policy first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Password Expiration Policy

MySQL provides password-expiration capability, which enables database administrators to require that users reset their password.

The post MySQL Security – Password Expiration Policy first appeared on dasini.net - Diary of a MySQL experts.

MySQL Security – Random Password Generation

MySQL has the capability of generating random passwords for user accounts, as an alternative to requiring explicit administrator-specified literal passwords.

The post MySQL Security – Random Password Generation first appeared on dasini.net - Diary of a MySQL experts.

MySQL InnoDB Cluster – Easy Recovering and provisioning

Up to MySQL 8.0.16, to perform these tasks you could:
- Use MySQL Enterprise Backup :
- Use mysqldump

Starting with MySQL 8.0.17, the easiest and recommended method is to use the CLONE feature.

The post MySQL InnoDB Cluster - Easy Recovering and provisioning first appeared on dasini.net - Diary of a MySQL expert.

MySQL InnoDB Cluster – Recovering and provisioning with MySQL Enterprise Backup

Like I stated in my previous article - MySQL InnoDB Cluster - Recovering and provisioning with mysqldump :
"As the administrator of a cluster, among others tasks, you should be able to restore failed nodes and to add (or remove) new nodes".
Well, I still agree with myself :)
MySQL customers using a Commercial Edition have access to MySQL Enterprise Backup (MEB) which provide enterprise-grade physical backup and recovery for MySQL.
MEB delivers hot, online, non-blocking backups on multiple platforms including Linux, Windows, Mac & Solaris.

The post MySQL InnoDB Cluster - Recovering and provisioning with MySQL Enterprise Backup first appeared on dasini.net - Diary of a MySQL expert.

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