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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Unable to shrink log file due to snapshot replication

Our database log (SQL Server 2008 R2) is growing too big, and truncating it via DBCC SHRINKFILE doesn't work (the database is set to simple recovery mode). A bit of background. I released some ...
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44 views

RDS Replication Error (Apply Error 1406 / Truncation)

I have a MySQL RDS instance as a master, created a Read Replica from it, and ran some schema change operations on it. To be specific, I changed the charset and collation of all the tables and columns ...
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43 views

mysql replication and innodb_file_per_table

Is it possible for the master (5.1) to have innodb_file_per_table = 0 and for the slave (5.1 or 5.5) to have innodb_file_per_table = 1 ?
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36 views

How to Upgrade Master Slave MySQL on AWS RDS?

I already have Master Slave configuration on AWS RDS. We want to upgrade 5.5 to 5.6.23. ..What should be correct sequence to Upgrade ? 1. Upgrade Master ( Using Modify Instance ) --> Upgrade Slave 2. ...
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390 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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25 views

Can data be replicated from a slave MySQL back to a master without the slave containing all the master data?

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 ...
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71 views

MariaDB Multi-source Replication SQL_SLAVE_SKIP_COUNTER

When an error occurs on a slave while executing a statement from the master, it is sometimes useful to use SQL_SLAVE_SKIP_COUNTER variable to skip the execution of the query, like this: STOP SLAVE; ...
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11 views

Replication Conflict tables in SQL Server 2000

Due to previous several replications during these years in a database I'm working with, there are several tables with names with this format : *onflict_AllData_[Tablename] which * can be a, b, ... ...
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163 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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94 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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43 views

How to verify replication data integrity in SQL Server when using external replication engine

I am looking for a way to verify that data I am replicating between SQL Server databases is making it to the destination OK. Data is being replicated using an external replication engine, no built-in ...
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74 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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39 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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66 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
55 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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16 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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662 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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13 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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59 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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28 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
36 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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2answers
429 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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40 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
164 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
695 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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48 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
65 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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32 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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189 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
821 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
79 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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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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30 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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2answers
81 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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27 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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593 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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534 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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20 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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23 views

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
23 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 ...
0
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1answer
48 views

SQL Server Replication - FTP Snapshot: Policy requires SSL

SQL Server 2014 on both Publisher & Subscriber. Publisher & Subscriber are across the internet. Replication is Transactional Replication Error messages: The process could not connect to ...
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2answers
39 views

mysql table replication on just some records?

I have a big database which contain a table with about 26 million records. Now i need to make some reports on it from a special period of time. So how to make a replication from that table from a ...
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migrating MYSQL 5.5 to percona xtradb cluster 5.6

if we have to migrate MYSQL 5.5 using statement based replication to percona xtradb 5.6 would that be possible. What we want to do is to make percona xtradb cluster a slave of our current MYSQL and ...
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1answer
977 views

Merge reports 'You must rerun snapshot because current snapshot files are obsolete', gets caught in Death Loop

We have a very large Merge publication for a data warehouse with some large (.bcp files on the order of 20GB) fact tables that is causing us tremendous trouble. Specifically, we created a publication ...
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1answer
36 views

Indexed view doesn't exist on the subscriber

I am configuring transactional replication in SQL Server. The subscription is configured as push from 2008R2 publisher (distributor is the same server) to 2012 subscriber. The object I want to ...
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1answer
94 views

SQL Server Replication questions

This is kind of the part 2 of Replicating a SQL SERVER database & Optimization that I started earlier this week, but I believe it owes to be a different questions now that I have a clear idea of ...
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19 views

Unable to delete a SQL Server 2012 publication

I've set up a transactional replication for two databases, let's call them A & B. Replication for the database A worked just fine and I was able to delete it afterwards without any issues. ...
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1answer
36 views

MySQL - Master to Slave setup question

i have now setup a Master => Slave setup, after hard fightning its now working and this is great. the next step is, how can tell the slave if i create a new table/stroed procured or function on my ...
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52 views

is Master-Master replication ok for me?

I have two separated locations connected by a not too reliable VPN. I have a common system that depends on MYSQL that read/write tables. Will master-master replication keep both locations in sync? I ...
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78 views

Mysql Master Offline

In a unidirectional Master-Slave setup, should the slave be manually stopped in cases where the Master is offline due to Maintenance, Crash etc. ? Or should one just leave it so that it keeps trying ...