How to rapidly provision a MariaDB in the cloud ? Various option are available.
A very effective approach is to provision MariaDB with Terraform. Terraform is a powerful tool to deploy infrastructure as code. Terraform is developed by Hashicorp that started their business with the very successful Vagrant deployment tool. Terraform allows you to describe through HCL langage all the components of you infrastructure. It is aimed to make it easier to work with multiple cloud providers by abstracting the resources description.
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Category: MariaDB
Porting this Oracle MySQL feature to MariaDB would be great ;-)
Oracle has done a great technical work with MySQL. Specifically a nice job has been done around security. There is one useful feature that exists in Oracle MySQL and that currently does not exist in MariaDB.
Oracle MySQL offers the possibility from within the server to generate asymetric key pairs. It is then possible use them from within the MySQL server to encrypt, decrypt or sign data without exiting the MySQL server. This is a great feature. This is defined as a set of UDF (User Defined Function : CREATE FUNCTION asymmetric_decrypt, asymmetric_encrypt, asymmetric_pub_key … SONAME 'openssl_udf.so';).
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A critical piece is missing for Oracle MySQL 8 (GA) …
Oracle MySQL 8.0 has been declared GA but a critical piece is missing …
MySQL 8 is a fantastic release embedding the work of brilliant Oracle engineering.
I will not detail all the great features of MySQL 8 as there are a lot of great presentations around it. https://mysqlserverteam.com/whats-new-in-mysql-8-0-generally-available/
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Probability perspective on MySQL Group replication and Galera Cluster
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.
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MariaDB Backup released
MariaDB Backup has been released with MariaDB Server 10.1.23. It offers support for #MariaDB Compression and Encryption on Linux and Windows Server.
MariaDB Engineering rocks !
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MariaDB AWS Key Management Service (KMS) Encryption Plugin
MariaDB 10.1 introduced Data at Rest Encryption. By default we provide a file_key_management plugin. This is a basic plugin storing keys in a file that can be itself encrypted. This file can come from a usb stick removed once keys have been brought into memory. But this remains a basic solution not suitable for security compliance rules.
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MariaDB and Native JSON support ?
A question raised by my previous post is : What about MariaDB and native JSON support ? In my previous post I mentioned the possibility to use the MariaDB CONNECT storage Engine to store and access JSON content in normal text field. Of course having a native JSON datatype brings more value. It introduces JSON validation, a more efficient access to attribute through an optimized storage format.
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MariaDB JSON text indexing
It is not new that we can store a JSON content in a normal table text field. This has always been the case in the past. But two key features were missing : filtering based on JSON content attributes and indexing of the JSON content. With MariaDB 10.1 CONNECT storage Engine we offer support for external content including JSON files. The MariaDB CONNECT storage Engine also comes with a set of JSON related UDFs. This allows us to do the following thing :
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Using JSON’s Arrays for MariaDB Dynamic Columns
The JSON format includes the concept of array. A JSON object cant contain an attribute of array type. We have seen that we can use the MariaDB CONNECT Storage Engine provided UDFs (user defined functions) to implement dynamic columns.
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Using JSON as Dynamic Columns with MariaDB
MariaDB CONNECT storage engine handles access to JSON files through standard SQL. It comes with a set of UDFs (user defined functions) to manipulate the JSON format. This JSON content can be stored in a normal text column. This approach can be used to implement dynamic columns. The dynamic column concept was first introduced with MariaDB 5.3.
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