Can Assign two Pods in Replication Controller to the two Different Nodes on...
There are two containers defined in my Replication Controller config file and the value of replicas is 1, Is there any way to assign two Pods to the two different nodes?
View ArticleIs it possible to have a Heroku Postgres DB replicate down to a slave DB on...
I'd like to have my master Postgres DB, which is is hosted on Heroku, replicate down to a slave DB on my laptop. Is this possible? Heroku's documentation talks about both master and slave hosted within...
View ArticleSQL Server transactional replication - how replicate all articles except the...
I need to replicate all the articles of a table while preventing one column of data from being replicated. Unchecking an article removes the entire column, changing its schema. However, I want to...
View ArticlePostgreSQL count() works extremely slow on replication slave
I'm using postgres replication. I have one master and 2 slaves. I have table first with 1 500 000 rows. If I perform select count(*) from first on master, it takes less than a second, but on both...
View ArticleMySQL Federated storage engine vs replication (performance)
Long story short - I am dealing with a largish database where basic user details (userid (index), username, password, parent user, status) are stored in one database and extended user details (same...
View ArticleMySQL replication slave losing connection each 10 minutes
I have multiple servers set up with MySQL one-way replication for backup purposes. On one of these slaves I have a problem. Exactly each 10 minutes it loses connection and reconnects without problems....
View ArticlePostgreSQL V9.4 - Logical Decoding - SQL interface: Starting at a specific LSN?
I use PostgreSQL Logical Decoding functionality for retrieving WAL contents: SELECT * FROM pg_create_logical_replication_slot(...) SELECT * FROM pg_logical_slot_get_changes('<my_slot>', NULL,...
View ArticleUpdating Replicated Database
What is the optimal way to update a schema on a publishing database that is push-replicated is SQL Server (2012). Currently we disable replication, update the schema, re-enable replication and run a...
View ArticleMySQL set one db in server to slave
I have two MySQL servers (A and B) running on separate machines. I want to replicate database X on A to B. B is still master for other databases. How do I set this up so that B is only slaved for X but...
View ArticleMySQL DB Replication
Okay so here's my scenario. I have two applications that share some tables from the same DB. Let's call them App1 and App2. Lets also assume the DB used here is called DB1. App1 and App2. App1 is on...
View ArticleMySQL Master-Master Replication not syncing
SETUP: I have a WAMP MySQL Master-Master replication setup on 2 machines with sync_binlog=1 for safety. Machine config: Windows Azure Standard 2: 2 core, 4GB RAM, Windows Server 2008, MySQL 5.6.12,...
View ArticleTransactional Replication to a Version Two Versions Older--Count by Name or...
According to Microsoft SQL Server documentation, a "Subscriber to a transactional publication can be any version within two versions of the Publisher version." In this context, are versions named...
View ArticlePostgresql - Minor version upgrade 9.3.5 to 9.3.6 on Ubuntu
I am two servers: A & B. My master database is running on A and the version is 9.3.5. It's replica is running on B and the version is 9.3.6. I am trying to use B as UPSTREAM slave, and trying to...
View ArticleDoubts about Converting MyISAM to InnoDB (master/slave and more)
I want to convert my MySQL DB (46 Tables, 2.1 GB) from MyISAM to InnoDB. I have a couple of questions about this process. Since I have a Master/Slave structure, do I need to manage this and change the...
View ArticleMySQL replication - ibdata1 huge
I'm trying to implement MySQL replication in production after I successfully implemented it on my dev environment. Basically, what I did is export the dump using the following : mysqldump...
View ArticleIs binary logs required on the slave in order to do replication?
I have a MySQL database setup with a master and a slave. As far as I understand, the master writes transaction events to a binary log, which is read and executed by the slave, thus making the slave a...
View ArticleAvailability Groups and Transactional Replication
My client has a setup as shown below. AG Group A ---------> Server A (DB--> A) ----> Server B ( DB--> A) Transactional Rep --> Server A ( DB-->A ) ---> Server C ( DB--> B) AG...
View ArticleMySQL: Recover Master from Slave after failover
I have replication running between two MySQL instances on two separate servers. Let's say M is the master and S is the slave. It's setup as one way replication M->S. I currently have S as read only...
View ArticleIs it possible to Clone an Existing MYSQL Slave Database into Amazon RDS with...
We are interested in migrating our data from one of our MYSQL slave databases to an Amazon RDS instance such that the new RDS database is a slave database to an external master DB from our...
View ArticleLinux LVM replicated Volumes [on hold]
I am migrating storage arrays, on two sites.The DR site has synchronous block replication from main site that will be cut during the migration, however once the volumes are migrated the replication...
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