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• laurel - Nov 12 2007 | mysql, blogs

  Google mysql patches for replication stuff
• derek - Apr 25 2007 | google, open source, mysql

  Google MySQL patches.

  Quoted: * SemiSyncReplication - block commit on a master until at least one slave acknowledges receipt of all replication events.
  * MirroredBinlogs - maintain a copy of the master's binlog on a slave
  * TransactionalReplication - make InnoDB and slave replication state consistent during crash recovery
  * UserTableMonitoring - monitor and report database activity per account and table
  * InnodbAsyncIo - support multiple background IO threads for InnoDB
  * FastMasterPromotion - promote a slave to a master without restart

  • chris - Apr 25 2007
    

    badass, hopefully they'll incorporate these changes into an official release :)
• royleban - Apr 25 2007 | google, mysql, data center, patches

  Redotting from Mike:

  Google is releasing GPL'ed patches to MySQL for better data center management:

  Quoted: The high availability features include support for semi-synchronous replication, mirroring the binlog from a master to a slave, quickly promoting a slave to a master during failover, and keeping InnoDB and replication state on a slave consistent during crash recovery.
  ...
  The manageability features include new SQL statements for monitoring resource usage by table and account. This includes the ability to count the number of rows fetched or changed per account or per table. It also includes the number of seconds of database time an account uses to execute SQL commands.

  • mohit - Apr 25 2007
    

    thanks...will try thhis out. we've run into replication related problems before, so this looks really helpful.
• mike - Apr 25 2007 | google, mysql, data center

  Google is releasing GPL'ed patches to MySQL for better data center management:

  Quoted: The high availability features include support for semi-synchronous replication, mirroring the binlog from a master to a slave, quickly promoting a slave to a master during failover, and keeping InnoDB and replication state on a slave consistent during crash recovery.
  ...
  The manageability features include new SQL statements for monitoring resource usage by table and account. This includes the ability to count the number of rows fetched or changed per account or per table. It also includes the number of seconds of database time an account uses to execute SQL commands.
• meikschwarz99 - Oct 18 2007 | manageability, Blog:, enhance, that, releases, MySQL, Google, patches, reliability, Code

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• Mohit