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MySQL Backup Updated

As MySQL continues to grow (as a technology and as an ecosystem) the need and importance of creating and deploying robust MySQL backup solutions grows as well. In many circles Zmanda is known as “The MySQL Backup Company”. While we provide backup of a wide variety of environments, we gladly take the label of backing up the most popular open source database in the world, especially as we kick off our presence at the 2012 MySQL Conference.

Here are some of the updates to our MySQL backup technologies that we are announcing at the conference:

Announcing Zmanda Recovery Manager 3.4

We have updated the popular Zmanda Recovery Manager (ZRM) for MySQL product for …

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InnoDB persistent stats got a friendly UI

After introducing InnoDB persistent statistics in MySQL 5.6, in this April Labs release we have dressed it up in a nice UI and refactored the internals a bit to make the code more elegant and straight-forward.

The persistent stats are now controlled globally and can also be overridden at table level, should any table require a different behavior.

Global

The server global flag –innodb-stats-persistent (boolean) now controls whether all InnoDB tables use persistent statistics or not. Keep in mind that if a table is using persistent stats then its statistics will not be updated automatically and you are responsible for running ANALYZE TABLE periodically, whenever you think the table contents has changed too much. Thus the default for –innodb-stats-persistent is currently set to OFF.

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Memcached With SASL Support

Note: this article was originally published on http://blogs.innodb.com on April 11, 2012 by Jimmy Yang.

In this April MySQL Lab release, we’ll provide you a more robust and release-ready InnoDB Memcached Engine with a few enhancements. The most notable addition is the SASL support, which gives users the capability to protect their MySQL database from unauthenticated access through memcached clients. In this blog, I will walk you through steps of getting this option enabled.

Background Info:
SASL stands for “Simple Authentication and Security Layer”, which is a Standard for adding authentication support to connection-based protocols. Memcached added SASL support starting its 1.4.3 release. And here is a good article that gives you some background on why …

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Pictures from Pedro’s Dinner 2012

Pedro’s dinner was full! I didn’t count, but we had 9 tables of 8-10 people or so – dare I say almost 100 people? Lots of beer, margaritas, and good conversations! Here are a few pictures from the event:

InnoDB performance improvements

Note: this article was originally published on http://blogs.innodb.com on April 11, 2012 by Sunny Bains.

The problem
After making several performance fixes, notable among them being the kernel mutex split and the new handling of read-only transaction and in particular non-locking auto-commit read-only transactions, we weren’t seeing any increase in transaction per second (TPS) on our high-end hardware. On this one particular host, a 24 core with 2 threads per core host. The TPS using Sysbench was a tepid 5.6K at 16 threads and more or less plateaued till 1K user threads. No matter what config setting we used, we would more or less end up with the same result.

We ended up getting together for a meeting at Paris to discuss this issue and during the brain storming, one of the potential issues that cropped up was the effect of …

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April 2012 Labs Release – Online DDL Improvements

Note: this article was originally published on http://blogs.innodb.com on April 11, 2012 by John Russell.

This feature is a continuation of the “Fast Index Creation” feature introduced in Fast Index Creation in the InnoDB Storage Engine. Now you can perform other kinds of DDL operations on InnoDB tables online: that is, with minimal delay for operations on that table, and without rebuilding the entire table. This enhancement improves responsiveness and availability in busy production environments, where making a table unavailable for seconds or minutes whenever its …

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Memcached With SASL Support

In this April MySQL Lab release, we’ll provide you a more robust and release-ready InnoDB Memcached Engine with a few enhancements. The most notable addition is the SASL support, which gives users the capability to protect their MySQL database from unauthenticated access through memcached clients. In this blog, I will walk you through steps of getting this option enabled.

Background Info:
SASL stands for “Simple Authentication and Security Layer”, which is a Standard for adding authentication support to connection-based protocols. Memcached added SASL support starting its 1.4.3 release. And here is a good article that gives you some background on why and how SASL is supported in Memcached.

For InnoDB Memcached, the “Memcached mapped” user table must be registered in the “container” “system table”. And …

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InnoDB transportable tablespaces

Note: this article was originally published on http://blogs.innodb.com on April 10, 2012 by Sunny Bains.

The Problem

In the past, users were unable to take full advantage of the FLUSH TABLES WITH READ LOCK statement. InnoDB simply ignored the flush to disk part. If the table did not have any dirty pages in the InnoDB buffer that weren’t synced to disk (due to sheer luck) then it was safe to copy the .ibd file to another location. Also, the restore was not without its limitations and complications. The .ibd file could not be copied over to another server because InnoDB during import did not fix up metadata required for a trouble-free import. The main problems during …

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MySQL 5.6.5-m8 DMR Table-of-contents

In the spirit of supporting the community, Baron asked for a table-of-contents blog post that encapsulated all of the recent Oracle 5.6 DMR posts.

I agree with Baron, a huge amount of information came out today, and this Development Milestone Release (DMR) does have some great features. So below is a list of all of the related blog posts around the 5.6.5-m8 DMR. Hopefully this makes it easier for everyone to find their related information.

Replication goodies in 5.6 posted in the DevZone

Multi-Threaded Slave benchmarks posted by Mat Keep

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SkySQL’s Updated Training Schedule

This is just an update to let you know that the new SkySQL Training Schedule is now available online.

The schedule extends as far as September 2012.

There are courses in the Belgium, Germany, France, the United Kingdom, Ireland, the Netherlands, Sweden, and and the United States.

And some of the course titles include:

  • Administering a MySQL® Database
  • Developing Applications with the MySQL® Database
  • Performance Tuning for the MySQL® Database
  • High Availability for the MySQL® Database
  • Administering MySQL® Cluster

You can read the full schedule here:

http://www.skysql.com/services/training/schedule?vdt=training_course_list|page_3

 

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