Adding a replica in MongoDB throws an error
I'm trying to add a node to a replica set using rs.add("developer-ViratualBox:30103") and I'm getting the following error message: { "ok" : 0, "errmsg" : "Quorum check failed because not enough voting...
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 ArticleMySQL read-write Master with many read-only Slaves over shared storage?
I've asked the same question on the MySQL forum but have also seen lots of great responses here as well so thought I would try my luck here too. We have a relatively large MySQL environment where we...
View ArticleReplicate View different servers
Using MySQL, and related to this answer open in another thread (How to replicate MySQL table in different servers?), It arises me the idea of replicating only a View in different servers (through...
View ArticleHow to assign new master database in a geo distributed MongoDB cluster?
I need to have MongoDB databases in different data centers. One MongoDB database will be a master in a main data center and other will be slaves in other data centers. How can we assign a new master...
View ArticleWhat is the easiest way to set up automatic replication of tables/schemas on...
I have two PostgreSQL database servers, one uses SSD, the other HDD. We struggled with the full SSD disc and we didn't need all the data on SSD all the time so we moved the majority of them to the HDD....
View ArticleMerge Replication Parametrized Row Filter Error
Environment: Merge Replication with 2 subscribers - SQL Server 2008 R2 I have setup merge replication with parameterized row filter as discussed in this post:...
View ArticleMultiple Distributors in SQL Server Replication
Per this article, a Publisher can only have one remote Distributor in doing SQL Server Transactional Replication. Each Publisher can be assigned to only a single Distributor instance, but multiple...
View ArticlePostgresql redundancy for read-only queries with refresh on demand
I was wondering if there are any postgresql tools which would facilitate replication to read-only server on demand. Here is problem description: Every data changing process is running as multiple...
View ArticleError 123 Open LDAP ldappasswd
I manage two server master and slave in my Open Ldap. I have configure my ldap for permit to change User password in the slave.The slave is replicate in master.But i have this issues in response by...
View ArticleIs there any performance issue with Transactional replication in SQL Server...
In my Organization, we do have a requirement to get last hour modified data from production database (some of the large tables) to other support teams. So, we are suggesting to go with replication....
View Articlesp_changearticle articlename parameter is mandatory?
I'm trying to perform bulk update on Replication publication storedprocs. I'm using sp_changearticle so do I have to specify the article name? Change is very much going to all the stored proc. its...
View ArticleSAN replication vs AlwaysOn vs something else?
Working on a DR project at the moment, we have our primary location which is all setup. Our secondary location has most of the hardware we need already. We have a Microsoft SQL driven web application....
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Deferred replication cross continents
I'm wondering what the best practice is to achieve deferred replication of reliable state partitions in a Service Fabric cluster? I'd like to have something like this: The picture above is supposed to...
View ArticleMongoDB temporary node / mirror
When I have a running MongoDB instance with some data and requests against it, can I start a second instance on another machine, register it as another node in the first instance and all the data is...
View ArticleCreate transactional publication error in SQL Server 2014
In attempting to create a new Publication for Transactional Replication in SQL Server, I end up getting the following error, with pretty much no way around it: SQL Server could not create publication...
View ArticlePostgreSQL 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...
View ArticleReplication of PostgreSQL cluster from Datacenter to Office with write access
Some information about the cluster: Version: postgres 9.5 Size: /postgres/data$ du -hs . 854G OS: Ubuntu 14.04 LTS Storage: Raid10 SSD's I have a master-slave PostgreSQL 9.5 cluster running in a...
View ArticleIs Hazelcast async write transitive?
I am doing some simple benchmarking with Hazelcast to see if it might fit our needs for a distributed data grid. The idea is to have an odd number of servers (eg 5) with '> n/2' replication (eg 3)....
View ArticleReplicate Stata margins in R
I have a regression model with a bunch of indicator variables interacting with regressors. In this case P-values may work well for model selection. I know Stata has a command called margins, and it...
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