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Displaying posts with tag: 5.4 (reset)

Thoughts on MySQL 5.1 and later
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It’s been a while since I’ve posted anything new. In the meantime I’ve been pretty busy. Working on production systems often means that you are not running bleading edge. That’s fine but sometimes you need to look at doing the upgrade and to do that you have to do quite a few checks to see how well newer versions of the software you use will work.

I’ve been in that situation with MySQL. I have quite a few boxes most of which are 5.0 and have been working fine. MySQL-5.1 has been GA now for some time, and I have started to look at it as support for 5.0 is about to end.  I’ve already found quite a few 5.1 bugs, good enough to crash the server, …

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The search for MySQL 5.5
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So, MySQL 6.0 was ditched, and a few weeks ago 5.4 was also – its features to be added in other (earlier) versions (I’m told 5.2 but not sure). I reckon that’s good news, regardless of the version number. There was also an announcement about a change in the release mechanism at Sun/MySQL.

Now for practicals. If I look on Launchpad, the 5.1 branch is the only active one (next to 5.0 fixes, of course). 5.4 was last updated 15 weeks ago. There is no 5.2 on there that I can find. Wasn’t looking for it really, just happened to notice its absence while I was trying to find 5.5. And the reason for that was …

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Notes for installing MySQL 5.4.2 on OSX 10.5.8 PPC
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Some notes from my recent installation of MySQL 5.4.2-beta on a PPC G5 box running OSX 10.5.8. Hopefully these notes will save someone a bit of time when they begin the “I want to make my mac a development box” process. I’m not going to cover installing/configuring Apache and PHP since the web is full of those articles already.  So, first things first,  I downloaded the pkg file  – not the tarball – from the MySQL downloads site and installed the following files in the following order:

  1. mysql-5.4.2-beta-osx10.5-powerpc-64bit.pkg
  2. MySQLStartupItem.pkg
  3. MySQL.prefPane

CNF File …

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Wordcamp in Milan - slides on MySQL 5.x performance
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I am attending WordCamp 2009 in Milan.
I presented MySQL 5.1 and 5.4, with stress on performance.
People are interested. And many questions are flying around, some of which are answerable and some aren't. The questions about Oracle were swiftly avoided, and the ones about forks comparisons were answered with live examples.
The attendees have appreciated it.
MySQL 5.4 - performance at your fingertips
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The session at the Boston MySQL User Group was very enjoyable. There was a full room, and the presentation was followed with attention and curiosity.
The slides I used for this presentation include the deck used by Allan Packer and Mikael Ronström at the MySQL Conference 2009, followed by a testimony of my own experience with 5.4.
Here is the final deck: …


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MySQL 5.4 at the MySQL Boston User group
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The MySQL Boston User group will meet on May 11 at 7pm.
I will speak about my experience using MySQL 5.4, with some general information on the release.
BTW, you know that there has been some trouble about MySQL meetup groups. We are …


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Finding the source for MySQL 5.4
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In order to really check what currently has made it into 5.4(there has been rumors...) I wanted to branch the code and see for myself.

Couldn't find it at first in our internal code repository since it's actually not named 5.4 there yet. Fortunately it's also pushed out to launchpad, that means you can easily get a copy of the code using bazaar

$> bzr branch lp:mysql-server/5.4

There is of course also tar balls available from our download page
http://dev.mysql.com/downloads/mysql/5.4.html#source

Anyone curious about what our internal name is? :)

MySQL 5.4 performance with logging
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About a month ago, I published the results of MySQL 5.x performance with logging. The results covered several versions, from 5.0.45 to 5.1.33. Among the conclusions of the post was the consideration that MySQL 5.0.x is faster than MySQL 5.1 in read only operations. I hinted that better results may come for MySQL 5.1. When I wrote that post I had, in fact, …
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MySQL DTrace presentation slides
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For some reason my presentation slides have not been posted to on MySQL Users Conference site. Here it is, a pdf format of "Introduction to Using DTrace with MySQL".

MySQL DTrace presentation slides
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For some reason my presentation slides have not been posted to on MySQL Users Conference site. Here it is, a pdf format of "Introduction to Using DTrace with MySQL".

Showing entries 1 to 10 of 15 5 Older Entries

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