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Which parameters and metrics to look at when CDC based replication is causing high load?

I'm investigating the reasons why a Tungsten Replicator extractor is causing heavy load on an Oracle 11g database. The replication is set up to use synchronous CDC and there is no unusual load while ...
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Specific replication of Mysql databases

This is my current setup for testing replication. I have 3 VMs with the same config - CentOS 6.5 - MySQL 5.1 - Tungsten replicator The scenario that I need to implement is as follows Host1(Main ...
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tungsten-replicator: problem replicating a specific database/schema

I am having trouble getting the tungsten-replicator to only replicate a single database/schema on a mysql server-- it is replicating all of them. I am using 3.0.1-64. I found directions in ...
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25 views

Multi-master synching in three geographically separate datacentres

Our company needs to create an application that operates in all parts of the world. We are looking to have three servers (one in Europe, one in Asia and one in America). I'm looking to use ...
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Recovery database from masters

I have a multi master setup with 3 mysql nodes with Tungsten, Unfortunately replication has broke between 3 servers. Now the data is inconsistent say 100 users data is in node1, 100 users data in node ...
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211 views

MySQL : 30GB of binlogs in 6 Hours

I have a mysql master/master setup with tungsten replicator. My server is reaching out of space, occupied around 30G in 6 hours. I'm not sure how to handle this. Would be great if some one can help me ...
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106 views

Log-slave-updates in multi master replication using Tungsten replicator

I m setting up a system as follows with 2 masters and 2 slaves. M1 <----> M2 (Tungsten Replication) M1 ----> S1 (MySQL Replication) M1 ----> S2 (MySQL Replication) I have enabled the ...
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32 views

How to update all primary keys in the existing database

I'm moving mysql multi-master replication to production using tungsten. I had setup the auto increment and offset values in my.cnf file. To achieve this i'll have to update my all primary keys of all ...
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139 views

Relaying changes to a slave from another master with Tungsten on MySQL

I am trying to setup a multi-master type of replication with each master having an additional slave using Tungsten. As an example, lets say I have 4 hosts (A,B,C,D) and hosts A and C are the masters, ...
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184 views

How to make slave is in sync with master in tungsten replication?

we are using Tungsten master to slave replication in MySQL. we have configured this setup very long back. from last week onwards slave is in lagging with master around 5 to 10 binary files. we have ...