Can I delete specific data from SQL Server replication subscriber database...
The situation is this: We have a SQL Server replication subscriber database which receives replicated data from one of our core OLTP systems which we use as a source to populate our data warehouse....
View ArticleBigcouch - Can't cancel continuous replication
we have set a continuous db replication in bigcouch 1.1.1. We wanted to cancel this replication, but didn't find any working solution. I tried with a curl command that pushes a POST DELETE to the...
View Articleslave auto update - MySQL Replication
i have server replication (Master - Slave) i delete data on Slave, after one period slave will auto update data like data on Master... Help me
View ArticleRun MySQL replication by schedule or on demand
I have a master-slave replication currently configured. I know this setup runs real time. Is it possible to sync only the databases on schedule (daily or weekly) or by demand? Thanks!
View ArticleTransactional Replication with Always On via Sql Server 2014
My Scenario is given below...i want to configure transactional replication with alwayson and i know this is possible but my question is "my publisher server(SQL01_REPLICATION) is running on 32 bit...
View ArticleDistributor node failover prompted replication errors
In our environment, automatic patching was completed this morning. This was followed by various replication issues for around 4 hours which then cleared without manual intervention. Anyone able to...
View ArticleMySQL replication error 1146
Any idea why there is '1146 - table doesn't exists' on 'CREATE TABLE IF NOT EXISTS...' statement. It actually happened only on one of the slaves (there are two in total): Last_SQL_Error: Error 'Table...
View ArticleHow to replicate existing graphite server to a new one using carbon relay
So, we have a standalone graphite node which is behind a cname and collecting all the metrics. If this goes down,it's not going to be good.So, my question is how do I not only replicate all the...
View ArticlePostgresql Streaming replication - monitoring
I have setup streaming replication for my postgres servers. I am using PostgreSQL 9.2.6. Replication seems to be working fine. I am monitoring this with two ways using nagios: Log_delay and Byte_lag I...
View ArticleMinimizing downtime during MariaDB Replication Setup
I have the task of setting up MariaDB (10.0) replication from a master running in a datacenter to a slave running out in an AWS VPC. Reading up on the instructions on Setting Up Replication - MariaDB...
View Articlemongodb could not find host matching read preference { mode:...
I am deploy a monodb sharding, I have deploy a replica set in three machines: dev41:27017,dev42:27017,dev193:27017 and configsvr in three machine: dev41:27019,dev42:27019,dev193:27019 and also a mongos...
View ArticleHow to set a mongodb node to return as the primary of a replication set?
There is this question here: How to force a mongod to become primary in a replica set? But it was not the answer I was looking for. and there is the question below, which could be related but it is not...
View Articlewhat prerequisite are required to become a DBA?not overview but to the depth...
This question already has an answer here: how did you become a DBA? [closed] 4 answers what prerequisite are required to become a DBA?not overview but to the depth of course if any online link is...
View ArticleDatabase replication: intelligent database selection within PHP?
I'm using PHP with a replicated MySQL database. I want to do some database load balancing. Currently I have the rather crude: $ran = rand(1,10); if ($ran < 5) { $db = '10.0.0.2:3306'; } else { $db =...
View ArticleMulti-datacenter partitionsets with active/active write configuration [on hold]
I'm looking at setting up MongoDB partition sets across multiple data centers for geo-redundancy. From the documentation, it looks like fail over is automatic only for reads because secondary in other...
View ArticleReplication Issue - Changing the replication-do-db filter
I have a server that someone has setup which are acting as a master on both database. Since they have been configured as both master on the same database, changes one on end has caused all sorts of...
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How to achieve read/write separation with Entity Framework
I have a database setup using 'master/slave replication'. I have one master and (at least) one slave, possibly ℕ slaves. For simplicity from here on I'll talk about one master, one slave because...
View ArticleWAL level not sufficient for making an online backup
I have tried to do database replication in linux 7.0 red hat using postgresql. I refered this URL for Confuring http://blog.terminal.com/postgresql-replication-and-backup-methods/ I completed the the...
View ArticleMake a (copy of a) postgis database available to customer?
Our application uses a PostgreSQL database (with the PostGIS spatial extension). Now one of our customers has requested direct access to the database; because, as they claim, it’s their data. We’d...
View ArticleHow to start mongoDB with replicaSet by config file on Ubuntu 14.04.4
Hi I've configured MongoDB with a replicaSet. If i run the command: sudo mongod --replSet "rs0" Everything works and the 3 replicas work, but if i run the command: sudo mongod --config /etc/mongod.conf...
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