Databases bidirectional replication in same SQL Server
This is the scenario: We have 2 applications, each one connected to it's own database. Both databases are in the same SQL Server 2008 R2 Standard Edition. Both databases have several identical tables...
View Articlemongodb who is primary in replication
How can I display which one is the primary mongodb machine from a Secondary replication, without being forced to login to every machine and check? Running ismaster command only provide that current...
View ArticleMulti Master Replication With One Slave
i'm in the middle of my little project here and i had some problem here, this is the detail of it. I have 4 server, 3 server using for getting data from my sensor module and 1 is using for storing...
View ArticleMySQL 5.5 not starting after master-master configuration
The following master-master configuration worked on MySQL Server 5.1.x(Ubuntu 10.04). Master1(192.168.2.80) ################################## #MySQL Replication ##################################...
View ArticleNeed advises for a new MySQL architecture
I need to deploy a MySQL-based application with the following requirements and would love to receive some guidance (any) as to how I could set things up: Scale of deployment 5 servers with a latency of...
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 ArticleBest practice for upgrading MySQL on a master-master setup
Anyone have experience upgrading a master-master setup of MySQL 5.1 to a release version of MySQL while trying to keep at least one server online (in my case we are upgrading to MariaDB 5.5).
View ArticleAccessing Database from Slave server
I have an application running in one server eg: My Server's Ip is 192.168.10.10, and I have the MySQL database server in the same machine. The application connects database server as localhost....
View ArticleHow to upgrade MySQL 5.0 to 5.5 with master-master replication?
I have to update 2 hosts with SUSE Linux Enterprise 11 from SP2 to SP3 which implies an update from MySQL 5.0.94 to 5.5.31. The release notes state: SLE 11 SP3 introduces the upgrade of the MySQL...
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 ArticleAfter Restore Log_reuse_wait_desc of Replication
I'm wondering if anybody has ran into this issue before and has any suggestions on what's causing it/how to fix it. We are restoring a database into lower Dev environments and after the restore the...
View Articlemongodb master slave replication
I have set up master slave replication in mongo. It works fine for a few months, then suddenly replication fails. I have started it again with initial sync but during sync after a specific point it...
View ArticleSpeed up slave replication on large database / quickly spawn slave
We have a large MySQL database (about 100GB on disk) that we would like to spawn a slave for. Our typical process for creating a slave is: Create a slave server Load in a mysql dump of the master Start...
View ArticleSetup [master] - [master-slave] - [slave] replication
I am trying to set up a MySQL replication architecture between 3 MySQL servers by following a tutorial. Server A as a master to Server B Server B as a slave of server A and a master for server C Server...
View ArticleMySQL Master - Master Replication
I have established a master A and master B replication between two servers. Both are getting replicated, but it is limited to only one database. My questions: How to create a new database in Master A...
View ArticleChange MariaDB 10.0.17 (MySQL) master to a slave
I have a MySQL master/slave configuration -------- -------- | master | -> | slave1 | -------- -------- I want to kill my current master, transform slave1 to be the new master and have another slave...
View ArticleCan data be replicated from a MySQL slave back to a master without the slave...
We have a PHP/Symfony 2 application using MySQL as the database. The database contains a large amount of data. The application is deployed to a separate server(s) and an empty/clean version of the...
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 ArticlePostgreSQL streaming replication with slots works for one slave, but not for...
Master (10.0.0.1): Edit postgresql.conf listen_addresses = '*' wal_level = logical max_wal_senders = 3 max_replication_slots = 3 hot_standby = on Edit pg_hba.conf host replication postgres 0.0.0.0/0...
View ArticleMysql - How can I replication structure, not data
I have master with 2 slaves (4 but other 2 not relevant). One slave is full replication, ability to switch to be master if needed. Second slave was designed to replicate certain tables and leave out...
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