Database Replication or Single Point?
We have a Database and web application hosted in our office in Middle East, and we have 2 more sites in Philippines and USA. Both offices in Philippines and USA are using the same hosted Web...
View ArticleCreate snapshot without reinitializing removing an article(s) from...
So I am always confused by SQL Server's ability to monitor articles in a transactional Replication publication. Say I have three tables A, B, and C. And there was a snapshot last taken 3 weeks ago. I...
View ArticleNumber of arbiters in replication set
In MongoDB tutorial of deploying geographically distributed replica set it is said that Ensure that a majority of the voting members are within a primary facility, “Site A”. This includes priority 0...
View ArticleSymmetricDS Setup - SQL Server 2008 to MySQL
I need to replicate just a couple of tables from a Microsoft SQL Server 2008 database to a MySQL 5.7 database (one-way only). I've been struggling to find a simple solution. I've ultimately decided to...
View ArticleHow can i verify if my Mongo DB upgrade from 2.6.4 to 3.2 was successful?
I am in the process of upgrading my Mongodb replica set from 2.6.4 to 3.2. I have not found much documentation about the process of testing my database after the upgrade is complete. Any info would be...
View ArticleWhen replicating a database that needs data type conversion, at what point in...
I am going to make this a more general question. The original question with my scenario's details is below, if interested. If you are replicating a database and need to convert data types on some...
View ArticleWhat is the purpose of Agent User Id in configuring Replication Agent in AEM?
As per my understanding it is user who has access to publish the specific page/resource. Documentation goes like this: Depending on the environment, the agent will use this user account to: collect and...
View ArticleConfiguring reverse replication agent in AEM 6.1
While configuring reverse replication agents on AEM 1) URI for reverse replication agent under Agents on Author 2) URI for reverse replication agent under Agents on Publish and remaining mondatory...
View ArticleData loss due to unexpected failover of MongoDB replica set
So I encountered the following issue recently: I have a 5-member set replica set (priority) 1 x primary (2) 2 x secondary (0.5) 1 x hidden backup (0) 1 x arbiter (0) One of the secondary replicas with...
View ArticleReplication To Enterprise & Standard Edition subscribers
We have a defined and well running transactional replication process. One publisher, one distributor (on separate servers) and several subscribers (pull). All servers have Enterprise Edition. Latency...
View ArticleMySQL replication slave VERY slow
I am working on a replication problem that completely baffles me! This client has two MySQL replication clusters on HUGE bare metal HW. See Environment below. The IO_Tread of the slave is WAY behind,...
View ArticleTransactional Replication: Cannot continue the execution because the session...
I have Transactional replication in one environment, I disable existing one and configuring it again, But While initialization in am getting following error Distributor Subsystem: Cannot continue the...
View ArticleMySQL - Enabling Scheduled Event on Master and Slave Simultaneously
This may seem a bit strange, but I am trying to get a Scheduled Event to execute on both Master and Slave. I have two databases set up in a Master (A) to Master (B) replication environment. Master A is...
View ArticleClik here to view.
Replicate table, to 3 other tables, while updating the trip_id column -...
This is sort of a tricky question. Ill try to explain it as best as I can. I have a trip, and I want users to click a copy button on that trip, which will just replicate that trip again, so users don't...
View ArticleClik here to view.
Replicate Laravel collection - Laravel 5.3
Im replicating a trips table. On the trips form, there is a dropdown to select species. A user can select many species to. Im having trouble replicating this species table beacuse its in its own table,...
View ArticleMonitoring replication status from the subscriber
I have two databases that are populated by our vendor using replication from their databases. I do not have access to their distributor db. But I want to monitor from our end whether the data has been...
View ArticleCan you remove the redirect from transactional replication from an HADR...
We have a pair of SQL Server 2012 availability groups that we have set up transactional replication to a 2012 distributor and subscriber. We are moving databases for the (synchronized) secondary nodes...
View Articlemysql replication missed quite a lot SQL statement
I have set up a master/slave with mysql-5.1.73 The master's binlog format is "statement". The master and slave seemed running very well with slave status: Slave_IO_Running: Yes Slave_SQL_Running: Yes...
View ArticleNew Master-Master replication has stopped working
We're building a new MySQL server pair for high availability, and of course it's not like managing a single server. We're working with Ubuntu 14.04 LTS and MySQL 5.5.43 I had master-master replication...
View ArticlePostgreSQL streaming replication lag for synchronous standbys
We use PostgreSQL 9.5 in a master + synchronous hot-standby setup, i.e., using synchronous_commit = on and using synchronous_standby_names='*'. Consequently, the standby has sync_state = sync in the...
View Article