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Showing entries 1 to 10 of 15 5 Older Entries

Displaying posts with tag: webscalesql (reset)

MariaDB 10.1.2 Overview and Highlights
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MariaDB 10.1.2 was recently released, and is available for download here:

https://downloads.mariadb.org/mariadb/10.1.2/

This is the third alpha release of MariaDB 10.1, so there are still a lot of new changes, functionalities added, defaults changed, and many bugs fixed (I counted 117, which is *way* down from the 637 fixed in 10.1.1). Since it’s alpha, I’ll only cover the major changes and additions, and omit covering general bug fixes (feel free to browse them all here).

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MariaDB 10.1.1 Overview and Highlights
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MariaDB 10.1.1 was recently released, and is available for download here:

https://downloads.mariadb.org/mariadb/10.1.1/

This is the second alpha release of MariaDB 10.1, so there are a lot of new changes and functionalities added, and many, many bugs fixed (I counted 637). Since it’s alpha, I’ll only cover the major changes and additions, as there are a lot of great new features, and omit covering any of the bug fixes (feel free to browse them all here).

To me, these are …

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MySQL Thread Pool Improvements @ Twitter
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At Twitter, MySQL is an important part of our storage story. We can have a typical database node with thousands of open connections. It works mostly fine because generally only a few of these connections actively working inside the server. Given the scale at which we have to operate spikes happen – mostly at unexpected times and with unexpected ferocity. The challenge is how to control concurrency within MySQL server during spikes.

Historically we have been using innodb_thread_concurrency to control number of active threads within the server. In Twitter MySQL-5.5 we introduced the idea of …

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MariaDB 10.1.0 Overview and Highlights
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MariaDB 10.1.0 was recently released, and is available for download here:

https://downloads.mariadb.org/mariadb/10.1.0/

This is the first alpha release of MariaDB 10.1, so there are a lot of new changes and functionalities added, which cover a wide variety of areas such as: Performance, InnoDB/XtraDB, WebScaleSQL, Optimizer, Security, Storage Engine functionality, & Administration Improvements.

These are 9 of the most notable changes in MariaDB 10.1.0 (but do check out the release notes and changelogs below for the full list of changes):

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A technical WebScaleSQL review and comparison with Percona Server
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The recent WebScaleSQL announcement has made quite a splash in the MySQL community over the last few weeks, and with a good reason. The collaboration between the major MySQL-at-scale users to develop a single code branch that addresses the needs of, well, web scale, is going to benefit the whole community. But I feel that the majority of community opinions and comments to date have been based on the announcement itself and the organizational matters only. What we have been missing is an …

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Per query variable settings in MySQL/Percona Server/WebScaleSQL
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Recently there was a discussion on the webscalesql mailing list started by Chip Turner on a proposed change to the MAX_STATEMENT_TIME patch. This feature has been known as per query variable settings (WL#681) and even shipping in Percona Server 5.6 as …

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MySQL related IRC discussion channels
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There are many MySQL related IRC discussion channels as the ecosystem itself grows. I join the following. Are there any that I’m missing?

Freenode (irc.freenode.net):

  • #mysql – main channel for all kinds of end user MySQL related discussions (the noisiest of the lot, naturally)
  • #maria – main channel for all kinds of MariaDB related discussions
  • #webscalesql – for all kinds of WebScaleSQL discussions
  • #percona – main channel for all kinds of Percona related discussions
  • #tokutek – main channel for Tokutek …
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MMUG7: Madrid MySQL Users Group meeting to take place on 24th April 2014
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Madrid MySQL Users Group will have its next meeting on the 24th of April. Details can be found on the group’s Meetup page.

We plan to talk about WebScaleSQL and I will give a short presentation on how to build WebScaleSQL RPMs on CentOS 6.  The meeting will be in Spanish.

We’ve changed the place that we’ll be holding the meeting. See the Meetup URL for details. Looking forward to seeing you there.

La próxima reunión de Madrid MySQL Users Group tendrá lugar el jueves 24 de abril. Se puede …

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WebScaleSQL on Windows? I wish, but not quite yet, it seems …
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For fun, I tried building WebScaleSQL on Windows, even though it’s not [yet?] a support platform.

Using the following (as I would to build MySQL/MariaDB):

cd c:\mysql\webscalesql-5.6.16
mkdir bld
cd bld
cmake ..
cmake --build . --config relwithdebinfo --target package

I end up with:

...
    238 Warning(s)
    110 Error(s)
Time Elapsed 00:05:08.53

Looking through the output, the main error is this:

C:\mysql\webscalesql-5.6.16\include\atomic_stat.h(33):
fatal error C1083: Cannot open include file: 'atomic':
No such file or directory
[C:\mysql\webscalesql-5.6.16\bld\storage\innobase\innobase.vcxproj]

Of course the directory does …

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Facebook’s Yoshinori Matsunobu on MySQL, WebScaleSQL & Percona Live
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Facebook’s Yoshinori Matsunobu

I spoke with Facebook database engineer Yoshinori Matsunobu here at Percona Live 2014 today about a range of topics, including MySQL at Facebook, the company’s recent move to WebScaleSQL, new MySQL flash storage technologies – and why attending the Percona Live MySQL Conference and Expo each year is very important to him.

Facebook …

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Showing entries 1 to 10 of 15 5 Older Entries

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