Can a slave with a dynamic ip update the master
How can I setup mySQL replication in such a way that a slave on localhost with dynamic IP can update the master as well as get updates from the master which has a static IP. The slave will not be...
View ArticleMySQL slave stuck at 'System lock' most of the time, high CPU usage
Let me describe what we are facing now: We have a MySQL Master-Slave, Row Based Replication setup and at the moment, the slave is stuck with a perpetual System Lock. The Master is an active server...
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...
View Articleincorrect resource manager data checksum in record at 2/XYZ + terminating...
I am running a streaming replication environment with PostgreSQL 9.1 (1 master, 3 slaves). Everything worked fine for aprox. 2 months. Yesterday, the replication to one of the slaves failed with the...
View ArticleError replicating password change in MySQL slave
So I built a master-slave Mysql replication architecture in production because of a database FOO that I wanted to query (slave node) without affecting the performance of the main site (master node)....
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Replicating rows in a data frame using information in other columns
I have the following data frame NewTests: The problem: I want to replicate the rows in the data frame using the information in 'duration' column. Although in this case the replication factor is 1 but...
View Articlehowto debug "Slave SQL: Error executing row event" and "Node...
Yesterday the Galera cluster (3 nodes, RHEL7) was down several times for about 5-7 minutes. Galera came back online without human intervention. The logs from the time slices: Node1...
View ArticleMariaDB Slave_Parallel_Mode = optimistic seems to be ignored
MariaDB Master/Slave setup. I have set slave_parallel_mode to be 'optimistic', but show slave status shows it being 'conservative' SHOW ALL SLAVES STATUS: Parallell_Mode = conservative SHOW VARIABLES...
View Articlemysql replication status using a select query
Is it possible to get replication status from any system database table. using which i can identify whether the replication is up or down. I need to to know whether the SLAVE_IO_RUNNING and...
View ArticleAdd article to transactional publication without generating new snapshot
Using SQL 2008 R2 transactional replication with pull subscribers, when we add an article, I'd like to avoid having to create an entire snapshot (the db is ~80 GB, so this takes hours). From this...
View ArticleRelaying 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,...
View ArticleHow to Upgrade Master Slave MySQL on AWS RDS?
I already have Master Slave configuration on AWS RDS. We want to upgrade 5.5 to 5.6.23. ..What should be correct sequence to Upgrade ? Upgrade Master ( Using Modify Instance ) --> Upgrade Slave...
View ArticleBidirectional Replication Push and Pull with SQL Server
Please bear with me, I'm a developer working with a client without access to a strong DBA. I have a question about bi-directional replication with the following setup and requirements: MSSQL Server...
View ArticleMerge Replication with Static Filters - Does not Delete from the subscriber...
I have a merge replication setup, I have applied static filters so as to send only specific rows to the subscribers from a publisher (table) say 'X' the filter is " where Name Starts with ( Select...
View ArticleWhy does replication with SSL fail on my MySQL database in AWS RDS?
I'm trying to replicate from AWS RDS to my own server. It works without SSL. Whenever I include the SSL property to the slave, it breaks with this error: error connecting to master...
View ArticleHow to convert MySQL master-slave to master-master
I've searched around, but can't find the exact details to point me in the proper direction. I currently have 2 MySQL instances under 5.5.41 running as a master-slave setup. I followed these directions...
View ArticleKeeping an object tree in sync across processes
I have a tree of objects which needs to be kept in sync between 2 processes. The objects can be added/modified/deleted in either process and the data needs to be replicated in the other process...
View ArticleWhich server to be master and which one slave database?
I have an application for which I want to set up a master/slave mysql database, because the current db struggles under high load. I have two different servers for db replication. Lets call them A and...
View ArticleConverting from transaction replication to Always on [on hold]
Are there any sugggestions on what to do when converting to Always on? Mainly to keep all of the old replication junk out of the new database
View ArticleHow To Prevent Replication Failure
If I become a MySQL DBA, will I had to deal all day with those kind of issues or do you have tips to prevent from breaking the whole replication? I received this message because I removed manually the...
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