SQL Server Replication Local Subscription Properties returns "Cannot...
I am replicating a SQL 2008 R2 database to a SQL 2016 database. When I connect to the SQL 2016 database using SSMS, and in Object Explorer select Replication->Local Subscription->MySubscription...
View ArticleReplication Issue - Changing the replication-do-db filter
I have a server that someone has setup which are acting as a master on both database. Since they have been configured as both master on the same database, changes one on end has caused all sorts of...
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 ArticlePostgreSQL : Master-Slave replication strategy and solution for 3 servers.
We have currently 3 servers(X,Y,Z) running Debian X64, two of them host projects(Y,Z), which don't require that much database, as they serve more static content, but the third server(X) is largely...
View ArticleDistributing Load among secondary & primary members in mongo replica set
I was looking for distributing my load to all members of Replica set in mongo and came across fact that based on preferences i can distribute read loads to secondary. Question 1. what is the logic used...
View ArticleReplicate Mongodb data across 2 servers with write access
I want to be able to replicate data from MongoDB, with minimal latency, across 2 (later more) servers. One server is located in China (behind the Great Firewall) and the other is located in the USA...
View ArticleSQL Server transactional replication error 'The process could not execute...
This is for SQL Server 2012 transactional replication using a backup for initialization. I start by creating the publication without a snapshot and then go to the properties to allow initialization...
View ArticleTablespace symlink error after changing data_directory location in PSQL 9.4
Problem: After changing the 'data_directory' location in PSQL 9.4 (Windows Server 2012 R2) an error is thrown to the user when: (a) trying to connect to the PSQL server using PgAdmin or (b) when trying...
View ArticleSync MongoDB Replica set with Remote Replica Set
I'm wondering if it is possible (within reason) to sync a new MongoDB Replica Set(RS) with an RS currently in production. The Problem We have a site running on AWS that has its own MongoDB Replica Set...
View ArticleMongo replicated shard member not able to recover, stuck in STARTUP2 mode
I have following setup for a sharded replica set in Amazon VPC: mongo1: 8G RAM Duo core (Primary) mongo2: 8G RAM Duo core (Secondary) mongo3: 4G RAM (Arbiter) Mongo1 is the primary member in the...
View Article"Oneway" Replication from Oracle DB to TimesTen
currently I'm really stuck into a problem and I not able to finde a nice way to realize that. I need a suggestion to replicate from oracle db (some tables) to a TimesTen. A connection is only possible...
View ArticleRun MySQL replication by schedule or on demand
I have a master-slave replication currently configured. I know this setup runs real time. Is it possible to sync only the databases on schedule (daily or weekly) or by demand? Thanks!
View ArticleMongoDB Partial Replication
I am using MongoDB 3.0.10 with 10 databases in it, also has implemented 3 member replica Set for it, the question is it possible to replicate only selected databases from Primary to Secondary? If yes,...
View ArticleAdding a second subscription to an existing publication in SQL Server 2005
I currently have transaction replication set up from server 1 to server 2. I would like to add an additional subscriber to this setup. How would I do this? Any help would be appreciated. Thanks
View ArticleConnecting two desktop PC into multi node cluster Cassandra
I'm doing this for the very first time and I need help about clearing some stuffs. I have Ubuntu 14.04 desktop on one machine, and on the other I have Windows 8.1. also on both machines I have...
View ArticlePercona/Galera cluster: Node consistency compromized, aborting
I have a two separate Galera clusters, will call them C1 and C2. C1 is a main cluster and has a three nodes, C2 is emergency and has only one node. C1 connected with C2 by GTID replication for...
View ArticleUsing mysqldump to initialize slave database
I've facing an issue I don't really understand. I wan't to synchronize a slave MariaDB database to a master one. I try to use the mysqldump option --master-data=1 which is adding a "CHANGE MASTER TO"...
View ArticlePeriodic one-way sync from table to table in another format
I have a table in database MINE containing 300GB+ data on server X (around 50KB per row). On that same server X there is a database THEIRS. I need to sync the data from my table to a table in database...
View ArticleMySQL replication error 1146
Any idea why there is '1146 - table doesn't exists' on 'CREATE TABLE IF NOT EXISTS...' statement. It actually happened only on one of the slaves (there are two in total): Last_SQL_Error: Error 'Table...
View ArticleMongoDB can't add new replica set member [rsSync] SEVERE: Got signal: 6
I have a replica set and I added a new member to the set. The initialSync begins for the new member and rs.status (on primary) shows STARTUP2 as status. However, after a long enough time, there's a...
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