SQL - Transactional replication, can consumer content be updated from other...
We are investigating the possibility to use transactional replication for an archive / reporting database in order to offload the production database. If we use the same software/client for accessing...
View ArticleWhat is Commutative Replicated Data Type, and how does it do Replication...
I am trying to do research on Commutative Replicated Data Type, and do not find any good definitions that aren't mired down in a ton of technical terms that makes it hard to understand how this allows...
View ArticleRemove column from transactional replication
I have a situation where in I need to remove 1 column from transactional replication without actually dropping the column from table. Is it possible to remove it? When I try to do it from GUI it...
View ArticleReplication: Procedure or function sp_MSupd_PROC has too many arguments...
Source is one service pack behind destination (2012). I know service packs can be issues here, but it looks like this is only for versions 2000 and 2005. When using sp_helptext sp_MSupd_PROC the...
View ArticleMySQL replication Slave_SQL_Running fails after inserting data
For school I have to use master slave replication with MySQL on the same computer. Since you can't run multiple instances of the same MySQL version on your computer, I'm using MySQL 5.6 for the master...
View ArticlePostgreSQL streaming replication broken: invalid magic number,...
For some reason, my PostgreSQL slave no longer streaming-replicates changes on the master. It was working before, for a while, but I recently noticed that the slave's database contents is old, and...
View ArticleMongoDB can't add new replica set member [rsSync] SEVERE: Got signal: 6
I have a replica set and I added a new member to the set. The initialSync begins for the new member and rs.status (on primary) shows STARTUP2 as status. However, after a long enough time, there's a...
View ArticleHow to transform Streaming Replication Master-Slave to Cascaded...
I've setup streaming replication as part of HA solution on my production enviroment. I've two ubuntu servers PROD1 and PROD2. PROD1 is master and PROD2 is slave. In case of failover the slave database...
View ArticleConfiguring slave from EC2 master to Amazon RDS slave
I am configuring replication from EC2 master to Amazon RDS instance. After starting the slave, I don't see any errors but I see slave_IO: _thread is connecting. Master version:5.6.23 Slave...
View ArticlePostgreSQL: What is data replication?
I read from a post about comparing MySQL and PostgreSQL, there is one who said: The biggest disadvantage of PG for me had been the lack of replication, but it's recently gotten both asynchronous and...
View ArticlePostgres 9.3 copy data from another table with relation [on hold]
Hi I have two tables in my database which is related, which is forms and qa_forms. forms ->id ->name -address -phone -calldatetime and then ` qa_forms ->id ->forms_id ->name ->address...
View ArticleHow to setup multi master replication in mysql
After hours of searching I find lots of tutorials that do only 2 server Master Master. Now I wonder how to setup multi master setup because this is more suitable in my business. Because when the WAN...
View ArticleMSSQL Replication: If Publisher/Distributor server goes down
Background To make the story short, our company is facing the task of making our application redudant and more resilent to heavy loads by load-balancing. The task is on my desk and I've been doing some...
View ArticleSQL Server 2005 Replication
I am in the process of creating Replication between 2 Remote Servers, server 1 is the Distributor and Publisher and server 2 is the Subscription. server 1 windows 2003 server 192.168.10.1 connected by...
View ArticleMySQL slave stuck in "Reading event from the relay log"?
5.5.28-log MySQL Community Server (GPL) by Remi binlog-format=MIXED My problem is similar to this question. *************************** 2. row *************************** Id: 973415 User: system user...
View ArticleMySQL failover - Master to Master Replication
My company is trying to implement a MySQL failover mechanism, to achieve higher availability in our webservices tier - we commercialize a SaaS solution. To that end we have some low-end VMs scattered...
View ArticleSQL Server: subscriber as publisher and hierarchical replication
In Oracle Streams one way replication from one DB to another is a basic block for many replication topologies (N-way, hierarchical, combined and so on), and changes could be captured and applied for...
View ArticlePostgresql - Minor version upgrade 9.3.5 to 9.3.6 on Ubuntu
I am two servers: A & B. My master database is running on A and the version is 9.3.5. It's replica is running on B and the version is 9.3.6. I am trying to use B as UPSTREAM slave, and trying to...
View ArticleReplication not updating all tables
Master db MySQL db Server 2012 Slave db MySQL Win7 XAMPP DB size 500MB Table count 42 I have setup the replication successfully however it stopped last week and my slave was showing the error...
View ArticleShould I convert timezones when moving data to a report server/data warehouse
I'm writing an SSIS Package to take data from a production DB to a reports server/data warehouse. The other databases on my reports server are all in Mountain Time but this DB is in UTC should I...
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