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List:       mysql-internals
Subject:    Re: [ANN] PBXT storage engine version 1.0-Alpha released
From:       Paul McCullagh <paul.mccullagh () primebase ! com>
Date:       2008-03-17 11:58:23
Message-ID: CBF7D1CC-DF6A-4153-B691-B1EB0F20FA26 () primebase ! com
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Hi Giuseppe,

On Mar 16, 2008, at 8:13 PM, Giuseppe Maxia wrote:

> Congratulations on this release!

Thanks!

> About alpha status, well done! It shows that you have studied  
> software engineering!
>
> Two questions:
> * Do you have a policy for code contribution?

Yes please!

But seriously. I would really like to have code contributions. I am  
very interested in putting this project on a broader community basis.  
I consider PBXT to be "the community engine".

I am not sure of all the technical details though. Anyone interested  
should contact me directly.

> * Is there a publicly available bugs database?

Yes, on sourceforge.net:

http://sourceforge.net/projects/pbxt

Go to the Tracker menu, and then select Bugs. Here is the direct link:

http://sourceforge.net/tracker/?group_id=180250&atid=892419

Kind regards,

Paul

> Cheers
>
> Giuseppe
>
> Paul McCullagh wrote:
>> Hi All,
>> I have just released the first fully durable version of PBXT.  
>> Because of the amount of new code I have reverted PBXT to Alpha  
>> status.
>
>
>> This version, 1.0-alpha, can be downloaded from: http:// 
>> www.primebase.org/download.
>> PBXT is a highly scalable, transactional storage engine for MySQL.  
>> The main features are: multi-version concurrency control (MVCC),  
>> ACID compliant, Referential Integrity and BLOB streaming (http:// 
>> www.blobstreaming.org).
>>
>> The PBXT project is now owned and funded by PrimeBase  
>> Technologies, an open source software development company. The web- 
>> site, http://www.primebase.org, is also the new home of PBXT. Here  
>> you will find all the information, documentation, downloads, and  
>> links relating to PBXT.
>> I will also be talking about PBXT and BLOB streaming at the MySQL  
>> Conference & Expo 2008 next month. It would be great to see you  
>> there: http://en.oreilly.com/mysql2008/public/schedule/speaker/ 
>> 517. Topics of my sessions include:
>>   * Internals: How I made PBXT fully-durable.
>>   * PBXT & SSD: Why this is a hot combination!
>>   * BLOB streaming: How do you scale it?
>> Besides full durability, the latest release includes the following  
>> improvements:
>>   * Calculation of index statistics as required by the optimizer.
>>   * New system variables (see http://www.primebase.org/ 
>> documentation#sysvar).
>>   * Implementation of SELECT FOR UPDATE.
>>   * Group commit.
>>   * Support for SHOW ENGINE PBXT STATUS.
>> Note that this release does not have is an option to relax  
>> durability. The transaction log is always flushed on commit. A  
>> system variable to control the writing/flushing behavior of PBXT  
>> will be added to the next release.
>> Don't forget to look me up at the conference!
>> Best regards,
>> Paul McCullagh
>
> -- 
> Giuseppe Maxia, Community Team Leader
> MySQL AB, www.mysql.com
>
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