How to setup sync between MongoDB and C# .NET Application
What is the best practice to synchronize a MongoDB remote database with a C# .NET App that would allow queries to be responded to within the local file system and update itself when there is a change...
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SQL Replication Error (On Server Agent)
I have created the new replication. Now what is issue I am facing: When I go to ​start the 'View Agent Snapshot Status' Its just start working and First line shows "Starting Agent" and just keep...
View ArticleWill adding column to replication db have influence on source db?
If I add column to a replication database, will this column also be added to source database? I'm using transactional replication. PS I don't want it to be added to source, I just want to make sure it...
View ArticleWhich one to use? InnoDB Replication or MySQL Cluster?
I am building a url shortener and I use InnoDB as the storage engine for link data. I will start with a single VPS containing both application instance and MySQL database instance on the same Virtual...
View Articlemaster slave replication in database
How I can avoid stale data to be read from slaves? So Master updates the record and send to all slaves and before slaves are updated, a client can try to read data from slave and will get stale data....
View Articlecarbon-relay Replication across Datacenters
I recently "inherited" a Carbon/Graphite setup from a colleague which I have to redesign. The current setup is: Datacenter 1 (DC1): 2 servers (server-DC1-1 and server-DC1-2) with 1 carbon-relay and 4...
View ArticleVague replication error code 2005
2015-04-07 13:49:53 23758 [ERROR] Slave I/O: error connecting to master 'replication'@master-host:3306' - retry-time: 60 retries: 1, Error_code: 2005 This was after attempting to do a change master to...
View ArticleImport data from Oracle to Microsoft SQL database
My customer have two database servers, one for Oracle and one for Microsoft SQL. Two servers are located in the same network. Their requirement is when table A (for example) of Oracle database is...
View ArticleMerge Replication Failing
I have 3 databases replicating using merge replication. All servers are running SQL Server 2008. The replication had been running fine for years. About a month ago one of the subscriber databases...
View ArticleLow performance, high availability, replicated key/value store with audit trail
I'm looking for a database system with fairly specific specs. I've looked most of the major relational databases and NoSQL products out there and did not find one that even remotely satisfied my...
View ArticleAmazon RDS replication with external slave
I've recently configured a replication with an external MySQL master and RDS as slave but now I need to reverse that config and use RDS as master and the other instance as slave. Actually I use a vpn...
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 named DB1, I have 5 tables and I want to replicate only two table on slave's database named DB2. Also, I...
View ArticleTwo-way replication between SQL Server 2008 R2 and SQL Server 2008 R2 SP3
I know that in SQL Server you can't have two-way replication between different versions. I wanted to know if SQL Server 2008 R2 and SQL Server 2008 R2 SP3 are considered "different versions"? Did...
View ArticleShould I enable binlog binary logging on slave server?
What are the benefits of enabling binary logging in MySQL slave server? I'm thinking that doing a switchover from master to slave and back to master would be easier in this way?
View ArticleHow to use replcation.mod having distance matrix?
I'm trying to use Replication.Mod function in this code: library (clusterSim) x<-read.csv2("C:\\Mieszane\\14d.csv",header=TRUE,row.names=1) x<-as.matrix(x) d<-as.dist(x) a<-hclust(d,...
View ArticleCassandra source -> sink replication
Is is possible to organize one way replication between data centers (DC). Let's say we have two DCs: A and B. I want all data written to nodes in DC A to be copied to DC B, but none of data written in...
View ArticleSolrDispatchFilter null:org.apache.solr.common.SolrException: Could not fully...
I am trying to start a cluster of 3 Solr nodes operating in SolrCloud mode. I've started an ensemble of 3 ZooKeeper instances. I am having trouble creating the collections. This is the error that is...
View ArticleHigh solr server load on slave due to delayed replication
I am currently working with Java-1.7, Solr-4.8.1 with tomcat 7. The solr configuration has master & slave ( 2 Slaves) architecture. Master & Slave 2 are in same server location (say zone A) ,...
View ArticleCan a slave with a dynamic ip update the master
How can I setup mySQL replication in such a way that a slave on localhost with dynamic IP can update the master as well as get updates from the master which has a static IP. The slave will not be...
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I couldn't see Conflict tables in replication monitor SQL Server 2008 R2 in...
I work with merge replication in SQL Server 2008 R2. In the replication monitor I can't see conflict table, I must to see conflict tables in "MSmerge_conflicts_info", please help me. How to see...
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