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Posts (100) Pages (1) Comments (259)

November 7, 2007

Post: Filtered MySQL Replication

Posted by peter |
…0) – there is enough gotchas with replication itself and getting things right with …be very helpful in advanced cases allowing replication to control what will be logged to… get into classical issues of chain replication – the latency will increase a bit (…

October 12, 2007

Post: Managing Slave Lag with MySQL Replication

Posted by peter |
… before you run ALTER TABLE query. Replication Overload Many tutorials out where will … of time. Idea: MySQL Should add “Replication Load Average” metric which would … execution time of queries being replicated. Unfortunately MySQL Slow Query Log …

November 13, 2009

Post: Finding your MySQL High-Availability solution – Replication

Posted by yves |
…popular HA solution for MySQL, replication. High Availability solution for MySQL…impact backups Automatic failover with replication I already mentioned that for…to manage automatic failover with replication like MMM, Flipper and Tungsten…

September 22, 2008

Post: Fighting MySQL Replication Lag

Posted by peter |
… in low hanging fruit troubleshooting MySQL Replication Lag First fact you absolutely need to remember is MySQL Replication is single threaded, which means if … there is enough breathing room for replication thread. You can also have …

July 7, 2006

Post: Thoughts on MySQL Replication

Posted by peter |
…, even on completely unrelated table, replication lag may increase dramatically. Besides …would go using simple master slave replication ? - Small database size. Small meaning … may however want to structure replication with median servers to avoid …

May 26, 2008

Post: Can MySQL temporary tables be made safe for statement-based replication?

Posted by Baron Schwartz |
… fired up my master-and-two-slaves replication sandbox, flushed all the logs, and …’s clearly an opportunity to break replication here. It looks like this doesn’t… temporary tables with MySQL statement-based replication without some risk of breaking slaves….

February 14, 2007

Post: Getting use of Slave in MySQL Replication

Posted by peter |
… can be used in Master-Master replication in Active-Passive mode, just think …and improving scalability by use of simple replication. If using this approach you should … should not forget to monitor if replication is running properly and if replication

January 30, 2007

Post: Making MySQL Replication Parallel

Posted by peter |
Kevin Burton writes about making MySQL Replication Parallel. Many of us have been … it right without changing MySQL Replication semantics – which is – Slave database … implemented for many applications Parallel Replication could be implemented simply by …

May 27, 2006

Post: Jeremy Cole on MySQL Replication

Posted by peter |
… posted very nice post about MySQL Replication Performance. There are however few points I …in fact they are quite different for Replication. As you probably know MyISAM uses … will not be used effectively as replication SQL thread will typically submit IO …

March 28, 2007

Post: MySQL Replication and Slow Queries

Posted by peter |
…a bug regarding slow queries executed by replication thread are not being logged to the… on your server – in certain configurations replication load itself may be very significant …10 seconds on the slave and your replication is well loaded, this means at …