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Displaying posts with tag: mariadb (reset)

Fun with Bugs #42 - Bugs Fixed in MySQL 5.7.12
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MySQL 5.7.12 was released more than 2 weeks ago. New features introduced there in a form of "rapid plugins" are widely discussed, but I am more interested in bugs reported by MySQL Community users that are fixed there. Unfortunately I do not see MySQL Community Release Notes by Morgan (like this) for quite a some time, so I have to continue describing key bug fixes and name people who reported and verified bugs in my "Fun with Bugs" series.

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Building MaxScale 1.4.2 from GitHub on Fedora 23
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MariaDB MaxScale is mentioned in many blog posts recently. It's Application of the Year 2016 after all! I'd like to test it, follow posts like this etc, all that on my favorite and readily available testing platforms that are now Ubuntu of all kinds and, surely, Fedora 23 (on my wife's workstation, the most powerful hardware at hand).

My old habits force me to build …

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Building MariaDB 10.1.x and Galera from Source for Multiple Node Cluster Testing Setup
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My Facebook followers probably noted that I quit from Percona some time ago and work for MariaDB since March 1, 2016. I changed the company, but neither the job role (I am still a Support Engineer), nor the approach to do my job. I still prefer to test everything I suggest to customers and I usually use software I …

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MariaDB AWS Key Management Service (KMS) Encryption Plugin
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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 [...]

MariaDB 10.2 Window Functions
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Today the first MariaDB 10.2 alpha popped up and for the first time there is support for window functions.

I'll describe what's been announced, what's been expected, comparisons to other DBMSs, problems (including crashes and wrong answers), how to prepare, what you can use as a substitute while you wait.

I assume some knowledge of what window functions are. If you'd prefer an introductory tutorial, I'd suggest reading articles like this one by Joe Celko before you continue reading this post.

What's been announced

The …

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MariaDB Berlin Meetup Notes & Slides
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We had the first MariaDB Berlin Meetup on Tuesday 12.04.2016 at the Wikimedia Berlin offices at 7pm. More or less there were over 54 people that attended the event, a mix of MariaDB Corporation employees and community members. We competed with the entertainment at the AWS Summit Berlin which was apparently about 400m away! Food and drink were enjoyed by all, and most importantly there were many, many lightning talks (minimum 5 minutes, maximum 10 minutes – most were about 6-7 …

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Requests for MariaDB
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There has been a recent spate of blog posts and tweets regarding MaxScale binary downloads requiring acceptance of an Evaluation License that some in the community perceived to be onerous.  MariaDB took quick action to make these binaries available without accepting the license, and were quickly – and rightly – praised for listening to the community. …

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MaxScale binaries are now available
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UPDATE: Short story: ignore the next update and read the post. Long story: the original post was a mistake, as explained in the next update. But then, MariaDB released free MaxScale binaries and everything I wrote in the post is now correct.

UPDATE 2016-04-14: It seems that I was mistaken. MaxScale download page is a bit different from MariaDB Enterprise page, and does not explicitly require us to accept terms of use before download. But we accept those terms while creating an account.

So, MaxScale binaries cannot be used in production without paying for MariaDB enterprise. …

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Comments on MaxScale binaries
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I’m writing this post after reading Downloading MariaDB MaxScale binaries, from Percona’s MySQL Performance Blog.

I was already aware about the problem: MaxScale is open source, but the binaries are not free. You can download them and use them for testing, but if you want to use them in production, you’ll need to buy MariaDB Enterprise.

Note that MaxScale Docker images seem to have the same problem. I’ve tried some of them, but all those I’ve tried were running MariaDB Enterprise binaries, so using them in production …

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MariaDB/MySQL missing features: View comments
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The COMMENT clause

All database components (and database themselves) should have a COMMENT clause in their CREATE/ALTER statements, and a *_COMMENT column in the information_schema. For example:

CREATE PROCEDURE do_nothing()
        COMMENT 'We''re lazy. Let''s do nothing!'
BEGIN
        DO NULL;
END;
SELECT ROUTINE_COMMENT FROM information_schema.ROUTINES;

In fact most database objects have those clauses in MySQL/MariaDB, but not all. Views are an exception.

Comments in code

MariaDB …

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Showing entries 1 to 10 of 1032 10 Older Entries

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