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MySQL/Galera

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MySQL/Galera tuote on synkroninen multi-master MySQL/InnoDB klusteri, joka on toteutettu integroimalla Galera replikointi MySQL palvelimeen.

Galera palvelun integrointi MySQL palvelimeen on toteutettu MySQL-wsrep projektissa.

Olemme testanneet MySQL/Galera klusteria useilla tietokantapalvelinten benc

In thoughts of the lady from the town directly under the central authority (GLB 0.7.2 released)

Submitted by alex on June 6, 2009 - 23:48
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Silly GLB FIFO control bug fix was long overdue. Grab version 0.7.2 in downloads.

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GLB 0.7.1 released

Submitted by alex on April 18, 2009 - 21:10
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Field trials uncovered some issues in 0.7.0. Fixed here.

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Storms are brought! Really intense!

Submitted by alex on April 16, 2009 - 17:41
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A new and markedly improved GLB-0.7.0 hits the shelves. Highlights include:

  • Switch from select() to poll() removes the dreaded 500 concurrent connections limit on POSIX systems.
  • On Linux 2.6 and higher epoll API is used for ultimate performance.
  • New, machine parsable and human readable statistic output for use in scripts and GUIs.

Grab it from here.

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MySQL/Galera Demo-2 released without further ado

Submitted by seppo on March 31, 2009 - 14:08
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Our test session with Demo-2 release got somewhat prolonged. We faced few issues, mostly due to merging with MySQL head (5.1.31 - 5.1.32) and we needed to feed fixes through R&D cycle, which inevitably takes some time.

Merging with MySQL 5.1.31 and 5.1.32 Releases

Submitted by seppo on March 10, 2009 - 16:45
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Our MySQL integration code (wsrep: https://launchpad.net/codership-mysql) was lagging behind from MySQL 5.1 release cycle and we needed to catch up eventually. MySQL/Galera Demo-1 was built on top of MySQL 5.1.30 and since then both 5.1.31 and 5.1.32 have been published.

GLB 0.6.2 released

Submitted by alex on February 10, 2009 - 20:57
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Bugfix release as an appetizer for a new upcoming demo. Destination failover didn't actually work. Now it does. Grab it at Downloads page.

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Towards Demo 2 Release

Submitted by seppo on February 10, 2009 - 11:02
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Experiences with Demo 1 release has surfaced some issues, which we will address in the forthcoming "Demo 2 Release".
Here is the the list of changes that are coming in:

  • wsrep API releases version 2.0.0, which is now integrated
  • Conversion of (write) locking sessions to transactions. There is a system variable: wsrep_convert_LOCK_to_trx to enable/disable this conversion

MySQL/Galera Demo Release Published

Submitted by seppo on January 21, 2009 - 23:23
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Codership ships code, get your copy from here:
downloads

  • seppo's blog
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GLB 0.6.0 released

Submitted by alex on September 14, 2008 - 14:31
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The title says it all. New:

  • Fixed issue with port default to 0 when adding new destinations in runtime.
  • Changed from comma-separated destination list to space-separated destination list in command line options. Hence a minor version bump.

You can get it at Downloads page.

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