Neo4j replication by filter
I have big database of geolocation and I want to create 100 replication of the databases based on countries i.e. World is my master database and every slave will be having data of one country. Is it...
View ArticleWhy should I use replication in DFS / for waht resason?
I just want to know as quick as possible for what reason people need redundant data by replicating it with dsf? ... whats the use of replicating data if you could access it directly instead? Thank you...
View ArticleMerge replication changing rowguid
We have a diversified environment. It is composed by 194 publishers and the total of 209 subscriptions. The publisher and distributor both are SQL Server 2008 R2. As subscribers we have 2008 R2...
View ArticleHow can I slow down a MySQL dump as to not affect current load on the server?
While doing a MySQL dump is easy enough, I have a live dedicated MySQL server that I am wanting to setup replication on. To do this, I need dumps of the databases to import to my replication slave. The...
View ArticleHow to properly troubleshoot Merge Replication False Conflicts
We have SQL Server 2008 R2 Merge Replication setup. Lately I started getting conflicts for some tables, and when I check the conflict viewer, I can see that the winner & the loser column values are...
View ArticleSQL 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 Server...
View ArticlePostgreSQL Slony replication - scheduled sync
I am migrating Oracle database into Postgres and I need to implement replication of the master database to multiple slave dbs. The replication should be executed once a day at specified time (to take...
View ArticleDoubt on Master-Master replication
I'm setting up a master-master replication where in the second master is only read only there by reducing the issues of conflicts. My doubt is that to reduce the downtime when my master goes down I...
View ArticleHow to:: Master-Master replication
I have setup Master-Master replication on two servers. Now, my question is that if I need to have the second master as only read-only, what should I do? I tried doing mysql> flush tables with read...
View ArticleDistributor Configuration for Merge Replication Restore
I have recently taken over some DBA responsibilities in my current role, and I'm struggling with a restore of a merge-replicated Publisher DB and Subscriber DB from Prod into PreProd. Both environments...
View ArticleProblems with an orphaned replication
I'm pretty new to SQL Server, so of course I'm doing all the DBA tasks. I pulled a boneheaded move last week, and when I did a restore on a test DB, it overwrote the replication. So, I deleted as best...
View ArticleTransactional replication on SQL server without primary key
We are implementing a snapshot replication on our current system Lately, the system require us to apply the "instant replication" (require the low latency between articles on Publisher and Subscriber)...
View ArticleReplication throw an error after failover mirror partner is down in SQL Server
Received an error mentioned below after failover when mirror partner is down. Error : to fail over to a database which is not configured for database mirroring. code: 22037, text: 'Invalid connection...
View ArticleDiffrences between master and slave replication in mysql?
In a database named asterisk, there is a table named cdr which was partitioned on the time field. mysql> show create table cdr; Create Table: CREATE TABLE `cdr` ( `gid` bigint(20) NOT NULL...
View ArticleIs it ok to use 4 application server against one database server?
Initially I have two database server (Master Master Replication config with Haproxy load balancing) A and B. And two application server say P and Q. Both P and Q is pointed towards A will move to B in...
View Articlereplication filtering replicate-rewrite and do-table Mysql 5.6 (innodb engine )
i have a master / slave replication setup based on statement based replication. On master database name DB1 , i have 5 tables and i want to replicate only two table on slave's database name DB2. Also i...
View ArticleSetting up MySQL master-slave replication
I am trying to setup master-slave replication on MySQL 5.6. When I update my database in the master, the change is not reflected on the slave. When I show the process list on the slave it shows this...
View ArticleDisaster recovery solution for MySQL
I have set a Master-master replication with the second Master running as read-only. This master-master setup is on the same location. Now I will have to setup an DR for this production at a different...
View ArticleAnyway to identify mysql slaves have read upto which binary logs
I have multiple slaves reading from one master.. But few of them are keep disconnecting due to network issue. Is there any way that i can make sure before setting up the bin log purging script on...
View ArticleMongoDB Replication with Hidden nodes
Cluster Details port 30001 - primary , port 30002 - secondary , port 30003 - secondary , port 30004 - Hidden Secondary, port 3005 - Slave delay Secondary . modified port 30001 - primary Shut Down ,...
View Article