MySQL - 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 ArticleHow do I synchronize rows in tables in remote databases?
I'm actually developing a synchronization tool in vb.net, I have two database that have on each table records field GUID, this field help to have the same PK on both database. On each record there is...
View ArticleNot only client connections? Is "MongoDB Wire Protocol" also used...
It seems that MongoDB Wire Protocol is also used for replication. Not only client/driver connections. Is that true and what are the main differences between client/driver and replication traffic? The...
View ArticleDeleting Rows from a SQL Table marked for Replication
I erroneously delete all the rows from a MS SQL 2000 table that is used in merge replication (the table is on the publisher). I then compounded the issue by using a DTS operation to retrieve the rows...
View ArticleBi-directional replication for the same MySQL table
AppA stores/retrieves data from dbA.tableA AppB stores/retrieves data from dbB.tableA tableA definition is the same across these databases. To start with dbB.tableA was copied from dbA.tableA (assuming...
View ArticleSQL Server 2014 Replication - The process could not connect to Subscriber 'xxx'
I have just set up very basic transactional replication on SQL Server 2014. The Publisher and Distributor are one and the same. I have configured the Publisher to push to the Subscriber, so any and all...
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 ArticleWhich error codes are safe for `slave_skip_errors` with MySQL Innodb
Does anyone know which error codes are safe to ignore during replication, meaning the slave will remain consistent with the master? For example [mysqld]...
View ArticleCache replication
I'm using EhCache 2.10.2. Synchronous replication (replicateAsynchronously=false) between two servers (S1 and S2). I have next situation: First HTTP request going to S1 S1 can't find object in cache...
View ArticleReplication hooks in Maprfs?
How can you add a custom file attribute based on some logic at the time a file is originally written or while it's being replicated? I have a use case where I need to replicate files from one data...
View ArticleUse Streaming replication as a proxy server
We have a small device (BananaPi) that gathers lots of data from multiples sensors with different procotols. Everything is fine so far but we want to export the data on a bigger server to be able to...
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MySQL 5.7 Upgradation - Binary log basename
Recently upgraded to MySQL 5.7 and I am in the process of setting up binary log. I have enabled the binary log but I am not able to set the log_bin_basename and binary log path. It showing it is a...
View Articlemysql replication single master and multiple slave
I have created a master slave replication on rhel7 with mysql version 5.7 .Now i want to add another slave machine in this replication.Kindly suggest . 1: Do i again need to grant replication privilege...
View ArticleHyper V replication - vs - sql replication solutions
I need to establish an offsite copy of a number of production servers, including SQL server. Hyper V replication has been chosen as a simple solution (all servers are virtual). This is to supplement...
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Masters database not replicating on slave after restarting client
I'm trying to implement master slave replication and It's works fine with no errors, database is replicated on slave, but when I close my servers and open them again and add something in masters...
View ArticleSlave Waiting to reconnect
I have added new slave host to master for replication, but missing some of the parameters. mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State:...
View ArticleHow to recover from replication problems when source is smaller than...
We have a transactional database and a reporting database that are kept in sync using transactional replication. The transactional database (source) only retains three months of data, but the reporting...
View ArticleSQL Server Replicated Database not able to bring online
I used the following command to take a database offline alter database dbname set offline with rollback immediate This appeared to work correctly. However, I was unaware that the database had been...
View Articlesp_addarticle touches which system tables
I want to know what system/replication tables are updated/affected when you run sp_addarticle in SQL Server replication. Is there a method to find that out? I tried running profiler but it didn't help...
View ArticleError when enabling transaction publishing in C# RMO
I am suffering from a big case of "it used to work". I am attempting to create an application that will programmatically set up a transactional publishing replication process on a database. I wanted to...
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