Replication is the process of sharing any level of information so as to ensure consistency between redundant hardware/software resources to improve reliability, fault-tolerance, and accessibility

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Sql 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 ...
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1answer
129 views

Indexes on Slave

I already have a my system with Master-Slave replication. I have started using Slave for data fetching. So, I need to create some extra indexes on Slave.[Not In master - however be informed that the ...
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1answer
63 views

MySQL 5.5 to RDS 5.6 Replication Error

I am facing following error and unable to fix it. So far I have disabled binlog checksum on the RDS. [Warning] Slave I/O: Notifying master by SET @master_binlog_checksum= @@global.binlog_checksum ...
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12 views

Hyper V replication - vs - sql replication solutions

I need to establish an offsite copy of a number of production servers, including SQL server. Hyper V replication has been chosen as a simple solution (all servers are virtual). This is to supplement ...
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1answer
11 views

MySQL 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 ...
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156 views

MySQL replication using a lot of IO

I'm having big troubles on a database pool I've setup recently. There is a master, and 4 slaves replicating one DB. All using MyISAM engine. Thing is, during the replication period (when the slave ...
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1answer
392 views

SQL Server replication - set PollingInterval in sp_addmergepushsubscription_agent

I am trying to create replication subscriptions to and SQL Server 2008 R2 via a script. There are 3 subscribers so this script creates the subscriptions by calling sp_addmergesubscription and then ...
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2answers
20 views

Merge replication throws PRIMARY KEY violation during the initialization of Subscriber

I am using SQL Server 2014 SP1 to set up merge replication on Windows 2008. The databases (Publisher & Subscriber) are restored from the production back up of SQL Server 2005 publisher database. ...
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1answer
23 views

BCP - Different Schema

I have a transactional Replication (Non-SQL Server Publishers - Oracle) implemented for one SQL Server Database. Let's say Publishers: A, B Subscriber: C Note: I can not modify the Oracle DBs. The ...
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751 views

How to generate replication snapshot without locking tables

When I reinitialize subscription and generate new snapshot it locks all tables and makes the database unusable for a very long time (never waited it out). Is there anyway to do this without locking?
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9 views

Removing Replication from MS Access mdb file using External Data->Access, is anything lost?

The new version of MS-Access 365 does not support replication as evidenced by the following error message: "The current version of Microsoft Access does not support replicated databases. To use ...
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1answer
22 views

New Master-Master replication has stopped working

We're building a new MySQL server pair for high availability, and of course it's not like managing a single server. We're working with Ubuntu 14.04 LTS and MySQL 5.5.43 I had master-master ...
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11 views

Multi Source replication on single slave having multiple instances MySQL

i had 1 instance of mysql 5.6 on one server A (Slave S) 1 Mysql installed on server B ( Master M1) 1 MySql installed on server C ( Master M2 ) At Slave end : I have created one more instance by ...
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7 views

Amazon RDS Read Replica

I would like to know, is the Read Replica is nothing but the slave server, where only reads are there. I created two mysql instances in amazon RDS, one is Read Master, and another is Read Replica. ...
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1answer
295 views

Bi-directional replication for the same MySQL table

AppA stores/retrieves data from dbA.tableA AppB stores/retrieves data from dbB.tableA tableA definition is the same across these databases. To start with dbB.tableA was copied from dbA.tableA ...
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1answer
614 views

Where is sp_MSrepl_getpublisherinfo in SQL Server?

In learning about replication in SQL Server and having problems creating a subscription, I looked at the definition for sp_addsubscription. It calls sys.sp_MSrepl_getpublisherinfo, which I cannot find ...
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1answer
150 views

MySQL - How to see the queries executing by slave io thread

We have a strange problem with MySQL replication. We have observed huge load and IO wait on server while replication is in progress. We can have information of the queries from bin-log by using ...
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0answers
8 views

mysql 5.5 statement based to rds mysql mixed replication

I am moving to rds mysql 5.6 that has by default mixed replication. I am moving from 5.5 where I have statement based replication. I was wondering if i enable replication between them i.e make rds ...
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1answer
138 views

Sql Server 2008r2 Replication Snapshot Agent Hang

I am setting up a new merge publication, but I can not get the snapshot agent to run successfully. In fact, I can not run any snapshot agents for any of the other publications on this server now. ...
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1answer
12 views

Unable to create replica set for MongoDB in Linux

When I run the following command: rs.initiate(), I get the following error: "info2" : "no configuration explicitly specified -- making one", "me" : "ip-10-0-2-113:27017", "ok" : 0, ...
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1answer
223 views

MySQL 5.6 replication causes 'waiting for table lock'

All of the sudden queries on slave server stopped with status "Waiting for table level lock" I restart mysql service and stop replications and locking does not show up anymore. Once I turn ...
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1answer
15 views

PostgreSQL 8.4 replication of more than 100 tables

I am facing a problem with PostgreSQL version 8.4. I need to create an slave machine but when I look to all tutorials of slony or londsite its saying I will need to specify the tables that I want to ...
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2answers
23 views

Replication with two publishers [duplicate]

I have three servers with own databases, and database schemas are same. Let's call them servers A, B and C. All three servers will be operational, which means that all three servers will serve for ...
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1answer
352 views

Syncronize mysql databases between local and hosted servers automatically

We have many website with Development , Staging and Production Server. we have many developers for many projects, we need a solution to synchronize the database with developer database with staging ...
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1answer
185 views

Using 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. ...
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2answers
364 views

SQL Server 2005 to 2012 Replication, cannot access replicated data

I have created publication (snapshot, small table with 10 rows) on MS SQL Server 2005. Then, I created push subscription on MS SQL Server 2012. When I try to select data form table, process takes ...
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430 views

SQL Server 2008R2 - how to install replication components

I am trying to install the Replication components for SQL Server 2008R2, on technet website it says: On the computer that is running IIS, insert the SQL Server 2008 R2, SQL Server 2008, or SQL ...
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1answer
20 views

How do I get the MySQL binary log coordinates from the binary files?

I'm attempting to set up replication for a large (120 GB) MySQL database and I messed up. I shut down the master, copied the data files, and restarted the master. Now I've set up the slave & ...
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2answers
144 views

Mongodb replica sets: why does my master server occupy more disk space than my slave?

I have two servers on my replica set. Let's call it the master and the slave, for the purpose of this discussion. The master was the original one, and the slave was replicated from that master. At ...
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1answer
646 views

All four data nodes in MySQL Cluster in same node group

I am testing MySQL Cluster 7.2. I have two servers, mysql1 and mysql2. I want the management server and two data nodes to run on mysql1 and two other data nodes to run on mysql2. My config.ini file ...
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1answer
33 views

Streaming replication and lag when performing VACUUM on master

My streaming replication standby server is showing a delay of a few minutes when vacuuming a large table on the master. What is the reason for the lag, and is there a way to reduce it? Both servers ...
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1answer
35 views

MySQL v5.1.73 - can the binlog_format betweem Master & slave be different?

We are in the process of testing MySQL replication before using it in production. The MySQL is being setup by Puppet in our case and I noticed that the binlog_format setting is different between ...
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2answers
27 views

EC2 and setting up MYSQL Replication

my database size is very big around 100gb and when I restore it takes 3 days to restore. I am using amazon ec2. My question is I want to setup a new slave to MYSQL master, can I take a snapshot of ...
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362 views

How unsafe is it to change the data source of repl_distributor on a publisher

Here's my situation. Reporting Server (SQL 2008) is distributor/subscriber cluster for a SQL 2000 Transactional Publication Reporting Server was migrated to new SAN Reporting Server fatally crashed ...
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183 views

9i streams capture doesn't evaluate rules

I have a streams replication set up between two oracle 9.2.0.8 instances as sources and an 11g instance as a destination, processing a small subset of data from each database (let it be one table ...
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1answer
624 views

mysql replication - missing table for foreign key on slave

i have the following situation: We're running a simple master slave replication with table filters, so the slaves doesn't have all the master tables. Master has table A with FK to table B Slave has ...
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1answer
42 views

Non-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 ...
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1answer
456 views

SQL Server 2005 Replication

I am in the process of creating Replication between 2 Remote Servers, server 1 is the Distributor and Publisher and server 2 is the Subscription. server 1 windows 2003 server 192.168.10.1 connected ...
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3answers
879 views

How to remove master role from MySQL server

I have 2 MySQL servers, one is the master and other one is slave, that's all good. The problem I have is that the slave is also set up as a master. I would like to disable or remove the master role ...
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1answer
27 views

MariaDB cluster and external data feed

I've just finished setting up the 3 nodes mariadb (galera) cluster (let's call the nodes node1, node2 and node3). In order to have the cluster up to date with currently working mariadb database (let's ...
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1answer
61 views

Postgresql Hot Standby - How to determine it's 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 ...
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1answer
415 views

pgpool2 not working on my Ubuntu i686 athlon i386 GNU/Linux

I am trying to implement replication and load balancing on my Ubuntu i686 athlon i386 GNU/Linux.for creating database clustures I have installed postgresql contrib 9.1.11 having initially database ...
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2answers
38 views

mysql master slave replication scenario

We are creating a new mysql slave, but for dump we are taking from a backup server which is a slave of current master. Now to enable replication we want to connect it with the master so should I take ...
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25 views

Replicating table level PostgreSQL 64bit windows

I need to replicate some tables on PostgreSQL 64bit for Windows (master -> slaves replication model) and I can't find any tool that can achieve that. Slony-I work very well for PostgreSQL 32bit for ...
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557 views

Postgres database zero down time production deployment

I need some idea about how I can deploy a financial application in production environment using PostgreSQL DB with zero down time. I have two servers in Master-Slave design. Currently I am giving ...
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1answer
458 views

SQL Server Cross Domain Transcational Replication

Has anyone got any documentation for doing/implementing Cross Domain SQL Server 2012/2008R2/2008 transactional replication document or steps (with screenshot or without screenshot)?
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15 views

Transactional Replication breaks when schema is changed in Publisher

We have set up Transactional replication where in two Publishers feed into one Subscriber , now if try to change the schema of any one Publishers or both publishers, replication breaks. We have ...
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1answer
651 views

SQL Server Troubleshooting Replication and Long-Running fn_dblog query

I am trying to get (pull) Transactional Replication working again for a subscriber. Currently, in Replication Monitor I am seeing messages in the Publisher to Distributor tab and the Distributor to ...
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bdr_int_copy issues and confusion

I am hoping someone can clarify a few things for me. I am having issues getting my 2nd node to join the first node using bdr_init_copy In a nut shell here is my scenario on node 1, i create a couple ...
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1answer
18 views

How can I view when mysql mixed mode replication is logging a statement using row or statement format?

I have a couple of servers running in MIXED mode replication and I do maintenance regularly on them deleting a decent sized set of data. There is one table that had no primary key and is just used for ...