SQL Transactional Replication - initial snapshot places table locks?
When the initial snapshot is being generated while configuring SQL Server Transactional Replication, does anyone know if the snapshot agent places locks on the tables (articles) you have selected? I...
View ArticleShould a MySQL replication slave be set to read only?
I've got replication running on Percona Server 5.5 by following this guide and wondered if I should add read-only=1 to my slave's my.cnf to make it read only? The guide sets up replication for the...
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 ArticleHow to wait for MSSQL replication reinitialization via TSQL
We use snapshot and push replication. Every night after the data import 2 replication targets are initialized with the following commands. USE [dbImport] -- Execute at the Publisher to reinitialize the...
View ArticleData not replicated in openstreetmap [on hold]
In google maps, when we drag horizontally our data(like markers) will shown in all maps. But in openstreet map data showed in a single world map, not replicated to other maps. Any option to show data...
View ArticleTransactional replication taking hours to replicate
I have a bunch of tables replicated from my_publisher to my_subscriber via my_distributor. Some of these tables, not all of them, when updated on my_publisher, take a couple of hours to be updated on...
View ArticleIssue with Database Synchrozation
I am trying to understand at a conceptual level , how are databases synchronized when they are largely distributed. eg a rail/airline reservation system. Do each of the market leaders have their own...
View ArticleReplication of specific tables using Postgres 9.4.4 and Amazon Web Services
I have currently setup a Postgres 9.4.4 RDS instance on Amazon Web Services. On this instance I hold 20 tables. In addition I also have Postgres 9.4.4 installed on my local server (OS: 64-bit Linux)...
View Articlemysql multi-source replication to single slave from Debian repo's?
I've been experimenting with mysql 5.7's feature to backup multiple sources to a single slave, but have legacy db's on source servers where I'm not sure if upgrading to 5.7 will break things, and also...
View ArticleCreating a Transactional Replication relation from SQL Server 2014 and...
I understand this is a duplicate question to Transactional Replication with LocalDB however I see it has not been answered as of yet... so... the explanation is quite well done there which makes this...
View ArticleHow to determine whether a PostgreSQL Hot Standby is fully mirrored?
I have set up a hot standby of a PostgreSQL server. It all seems to be working, but I just want to be sure that I'm not missing something. In /var/lib/pgsql/9.2/data/pg_log/postgresql-Wed.log I have...
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 ArticleDistributing a semi-large key/value list
I have a semi-large (around 30 million records) key/value list which I want to load into redis. The data is stored in PostgreSQL (as master data) and we want to distribute this to clients for faster...
View ArticleSql server 2008 - server name changed
I have changed the computer name of the server where sql server 2008 r2 is installed. Old name was WIN-OUJEKRMGXXX and new server name is KASURDYYY When i configure replication following error occurs:...
View ArticleHow to restore replication after server crash
We had two databases on one SQL Server 2005 instance with transactional replication between them (3 tables as articles). This server acted both as publisher and distributor. Then the RAID on the server...
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 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 with...
View ArticleReal-time SQL Inserts Over Unreliable Network
I need to insert a 5K records every minute over an "unreliable" Internet connection to a cloud-based database (from different 10 systems all running simultaneously). The Internet connection is 10 MB...
View ArticleTable does not exist even if there is one
I have MySQL master-slave replication setup in Amazon EC2. For the sake of resilience, I have set up LVM on RAID 10 array, on both master as well as slave. I have been using ec2-consistent-snapshot for...
View ArticleTDE on Replicated Databases
I have implemented Master-Slave replication between two databases, now i have to implement Transparent Data Encryption(TDE) in master database. is it possible to implement TDE in master only? whether...
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