Finding differences between a master and slave when pt-table-sync fails
I have a table that's showing some differences on a master and slave according to pt-table-checksum (PTC). I've found some verifying differences beyond that. Certain tables in the mix have composite...
View ArticleSQL Server 2005 Replication
I am in the process of creating Replication between 2 Remote Servers, server 1 is the Distributor and Publisher and server 2 is the Subscription. server 1 windows 2003 server 192.168.10.1 connected by...
View ArticleMySQL relay log rotates too soon and too often
I have a simple master/slave setup where the slave is just a backup. Sometimes I notice that the relay log on the slave rotates too often and too soon, when it is still very small: 4:00 PM...
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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Replication Lag on Postgres AWS RDS Service
We have a single master/single streaming replica Postgres 9.3 db on AWS. The load is not terribly high - this is a development/staging environment. (The production shows similar metrics). Point is the...
View ArticleReplication in same server within different databases. Mysql 5.6
What I have : a windows machine with one instance of MySQL 5.6 Server. two database named test and test2. Test database has a table called activity with columns id and class What I need : replication...
View ArticleFirebird replication help needed
I am writing a two way server - client Firebird replication with a C# app and I am facing the following problem. I have a log table with the table name pk of the record and type of the query executet...
View ArticleKubernetes master high availability or replication configuration
Hi all we are looking for practically and tested guide or reference for kubernetes master high availability or other solution for master node fail over.
View ArticleHow to disable replication when Distribution db is lost?
I am in the situation that the Distribution database in SQL Server 2014 is lost and I want to disable the replication. I have found a solution how to achieve that when data files are present (also...
View ArticleReplicate entries in DataFrame in R
I have a dataframe of company names: (names) names 1 3M CO 2 ABBOTT LABORATORIES 3 ABBVIE INC 4 ACCENTURE PLC 5 ACE LTD 6 ACTAVIS PLC I want to replicate each entry 5 times so I have: names 1 3M CO 1...
View ArticleRestoring a replicated SQL Server database in a non-replicated testing...
Sorry in advance if this is already answered, but it's quite difficult to search exactly what I need. We have a SQL Server 2008R2 DB in Production. Originally, the DB didn't have replication. Every...
View ArticlePostgres Hot Standby and Long Running Queries On Slave
Question: Can you have long running queries (30s+) running while having WAL updates applied on the slave (the slave role is as a Reporting DB Server) in a Hot Standby mode? The way it's working now is,...
View Articlepull subscription running on subscriber anonymously
I have created a publication(snapshot or transaction) on a Server-A. Now i'm trying to setup pull replication on Server-B. I'm able to replication properly & it is working correctly. But my...
View ArticleMySQL failover - Master to Master Replication
My company is trying to implement a MySQL failover mechanism, to achieve higher availability in our webservices tier - we commercialize a SaaS solution. To that end we have some low-end VMs scattered...
View ArticleMySQL Master-Master Replication not syncing
SETUP: I have a WAMP MySQL Master-Master replication setup on 2 machines with sync_binlog=1 for safety. Machine config: Windows Azure Standard 2: 2 core, 4GB RAM, Windows Server 2008, MySQL 5.6.12,...
View ArticleGap between initializing database and setup transactional replication?
I will need to setup transactional replication for a big database. I use backup/restore to initialize the database because it's too big to use snapshot over slow network. So the following steps are...
View ArticleRedis remove slave from replication along with sentinel
I have a 3-nodes Redis replication and a 3-nodes Sentinel. I want to remove one slave. I tried stop slave and remove slaveof 10.128.130.139 6379 from configuration. But it became slave again after I...
View ArticleRebuild master database only in sqlserver 2012
How can I rebuild system database master only when I rebuild system database. Is it possible?
View ArticleSQL Server: subscriber as publisher and hierarchical replication
In Oracle Streams one way replication from one DB to another is a basic block for many replication topologies (N-way, hierarchical, combined and so on), and changes could be captured and applied for...
View ArticlePostgresql - Minor version upgrade 9.3.5 to 9.3.6 on Ubuntu
I am two servers: A & B. My master database is running on A and the version is 9.3.5. It's replica is running on B and the version is 9.3.6. I am trying to use B as UPSTREAM slave, and trying to...
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