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Displaying posts with tag: MySQL 5.5 (reset)

High Availability & Clustering at MySQL Sunday
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UPDATE: New room assignments for the MySQL Cluster and Replication Enhancements sessions

With the MySQL Sunday event at Oracle Open World rapidly approaching, and registrations to the event 10x higher than originally forecast, I thought it would be a good time to highlight sessions that are specifically addressing MySQL high availability, including MySQL Cluster (http://www.mysql.com/products/database/cluster/) .

You can see details and logistics of all of the sessions here





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MySQL 5.5 Performance Gains
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Oracle managed to score a major victory last week at the MySQL Conference by announcing performance gains of 200-360% in the forthcoming version 5.5.  This is a tremendous improvement and comes in part due to closer collaboration between what were historically two distinct (and occasionally competitive) groups: the InnoBase team and the MySQL Server team.  Bringing the InnoBase team under the direction of the MySQL Server team under Tomas Ullin is a great benefit not only to MySQL developers, but also for MySQL users.  No doubt these performance gains are a result of many months of hard work by not only Tomas, but also a good number of folks on both teams including guys like Mikael Ronstrum, Kojstja, Calvin Sun and others.  

Reaction to the new release has been positive

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Restoring XML-formatted MySQL dumps
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EAVB_VFZUHIARHI To whom it may concern -

The mysqldump program can be used to make logical database backups. Although the vast majority of people use it to create SQL dumps, it is possible to dump both schema structure and data in XML format. There are a few bugs (#52792, #52793) in this feature, but these are not the topic of this post.

XML output from mysqldump

Dumping in XML format is done with the --xml or -X option. In addition, you should use the

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MySQL 5.5 – A Community Winner
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Ever since MySQL 5.5 beta has been announced by Edward Screven, Oracle’s chief corporate architect; there is lot of positive buzz (here, here, …) about the performance and scalability improvements added in this release. We should all be thankful to Michael Ronstrom (as most of the key developers are already working on different forks), who [...]
MYSQL 5.5 highlights and MySQL Cluster 7.1
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MySQL 5.5 Highlights - It's a lot faster! InnoDB Multiple Buffer Pool Instances Multiple Rollback Segments Extended change buffering and purge scheduling Improved Log Sys and Flush List mutex Improved locking Improved statistics on InnoDB mutexes, rw-locks, threads and I/O operations. Improved performance/scale with Win32, 64 Scales to 32 cores  Semi-synchronoous replication Performance
MySQL 5.5.0-M2: A Milestone Ready To Download
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Good news: As you read this, you can very soon start downloading the first version of MySQL 5.5 from http://dev.mysql.com/downloads/.

Some things are the same as before, others are different. Let’s start by looking at the version string, SELECT VERSION();

mysql> SELECT VERSION();
+--------------+
| version()    |
+--------------+
| 5.5.0-m2-log |
+--------------+
1 row in set (0.00 sec)
mysql>

And let’s look at the highlights of the release notes, or better still,

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Previous 30 Newer Entries Showing entries 31 to 36

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