Prevent replication of ALTER commands
I am using MariaDB 10.0 multi-source replication for a specific use case. For security reasons, I would like to prevent ALTER commands on master to replicate (such as CREATE, ALTER, DROP...) whatever...
View ArticleHow to switch Quiescing to Normal Mode in Oracle?
I have two instance database Oracle, they are ORCL11 and ORCL10,.... I've configured them, it looks like correct. Then, I connect to replication user admin ORCL10 conn repadmin/repadmin@orcl10 And run...
View ArticleFailover_command in pgpool is not working?
I have setup pgpool with load balancing and failover mode. This is my failover command: failover_command='/usr/local/etc/failover.sh %d %P %H %R' The following is the script: #!/bin/bash -x...
View ArticleMySQL RDS Error 1062
Normally we can skip 1062 duplicate error but in rds can we skip multiple 1062 errors in one go. For example we define slave skip error =1062 in my.cnf and restart slave. but in RDS MYSQL how can we...
View ArticleHow to replicate data between two SQL Server 2012 Servers?
I have two SQL Server 2012 databases running on two different Windows Server instances, I want the Server A (DB1) to be in full sync with the new Server B (DB2). How can I make this connection between...
View ArticleRedis replication and client-output-buffer-limit
I am having a problem with redis replication that I can not figure out. Master keeps hitting the client-output-buffer-limit. Master Config: # redis-cli -p 6380 config get client-output-buffer-limit 1)...
View ArticlePrevent MySQL to connect Master
We switched a slave to master today and after restarting the new master it tries to connect to the old master. Even with stop slave;, it tries to connect after restarting.
View ArticleUsing non-replicated read/write databases on a MySQL slave server
I have a MySQL slave server that has two databases being replicated from a master. What I'd like to do is add a third database that I will exclude from replication and use as a read/write database....
View ArticleMysql replication is enabled but stuck at "waiting for binlog to be...
I have set up replication between an existing database (server-id=23), and a new one (server-id=51). I have followed the steps in this stackoverflow question, but replication is not happening. On the...
View ArticleMySQL master slave replication not working
I had MySQL master slave running and working fine but suddenly it stopped. I don't know which commands have been executed but now replication is not working. I am very new to MySQL can anyone help me?...
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transaction replication causing too many deadlocks after adding a indexed...
I have created the following indexed view and its clustered index: This view was created on a subscriber database and all the tables used in the view are constantly being written to through the...
View ArticleWhat happens if there is missing data in the slave MySQL server
At the data center there was electricity outage. And it appears that at that time my replication stopped syncing because it said something like this; "I cannot find the next position. Last proper...
View ArticleHow to define the place (node) of an additional replica (pod) on OpenShift?
I have a master-node configuration of OpenShift. I have created an application. I have a pod of the app running on node1. Now I want to create an additional pod (on node2). I know you can create...
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 ArticlePostgresql Chained Slaves and Slave Promotion
So I have a setup like Master -> Slave1 -> Slave2. Slave1 replicates from Master and Slave2 replicates from Slave1. If I promote Slave1 to master is it possible for Slave2 to continue replicating...
View ArticleNon-Replicating commands from (master) Mysql 5.5.40 to (slave) MariaDB 10.0.19
CRUD replicates just fine. But we noticed that DB structure altering commands such as ALTER TABLE and/or adding/updating columns to a table and even creating new ones do not replicate to the slave at...
View ArticleCouchbase XDCR keep logging "not_my_vbucket" in ns_server.debug.log
I am testing Couchbase 3.1's XDCR feature and keep got the error message as described below: environment 6 vm for cluster1 6 vm for cluster2 uni-directional XDCR from cluster1 to cluster2. There are...
View Articleoffline limited multi-master in Postgres
Site A will be generating a set of records. Nightly they will backup their database and ftp it to Site B. Site B will not be modifying those records at all, but will be adding more records and other...
View ArticleMySQL: Very slow update/insert/delete queries hanging on "query...
I have a large and heavy loaded mysql database which performs quite fast at times, but some times get terribly slow. All tables are InnoDB, server has 32GB of RAM and database size is about 40GB. Top...
View ArticleSQL Server 2008 transactional replication 'Missing end comment mark '*/''
I'm trying to set up transactional replication on a Dynamics NAV database on SQL Server 2008 R2 SP1. Using the same servers I have been able to set up replication successfully on a different DB. I'm...
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