Monthly Archives - August 2012

Announcing Percona XtraBackup 2.0.2

Percona is glad to announce the release of Percona XtraBackup 2.0.2 on August 13th, 2012. Downloads are available from our download site here and Percona Software Repositories.
This release is the current GA (Generally Available) stable release in the 2.0 series.
Bugs Fixed:

Fixed false positive test suite failures with grep 2.10. Bug fixed #996483 (Alexey Kopytov).
Incremental backup would fail if a […]

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European and North American Training Schedule Announced

Ensuring that everyone has a chance to attend Percona’s training for MySQL, we are announcing the following dates for Europe.
The dates for Europe are:
Live Virtual Training: Developer Training for MySQL

Begins Monday, August 27, 2012 , 9am – 11am, Greenwich Mean Time

Madrid, España

Begins Monday, September 3, 2012
The class will be conducted in Spanish.

Paris, France

Begins Monday, September 24, 2012

Kista, Sweden

Begins Monday, […]

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Dagstuhl Seminar on Database Workload Management

A few weeks ago Bradley Kuszmaul and I attended the Dagstuhl Seminar on Database Workload Management.
The Dagstuhl computer science research center is (remotely) located in the countryside in Saarland, Germany. The actual building is an 18th Century Manor House, first retooled as an old-age home, and then a computer science research center. Workshop participants […]

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Real World Compression

Benchmarking is a tricky thing, especially when it comes to compression. Some data compresses quite well while other data does not compress at all. Storing jpeg images in a BLOB column produces 0% compression, but storing the string “AAAAAAAAAAAAAAAAAAAA” in a VARCHAR(20) column produces extremely high (and unrealistic) compression numbers.
This week I was assisting […]

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