Slave (SQL thread) replicates very slowly
See this video: https://mckay.media/Yxjp2 I have two MySQL replication slaves which are replicating from the same master. Both slaves are running on identical hardware. Each has its data directory...
View ArticleReplication monitor show strange things
i have a merge replication (one publisher- several subscribers) in which i have setup a filter on a single table with ssms 2014 (12.0.4213), replication goes up, works fine, and i have decided to...
View ArticleMySql Master-Master Replication Causing Missing AutoIncrement Values
I'm looking for some help with a MySql Master-Master configuration issue. I'm working on a server config that has been set up by another employee who is now unavailable to offer any assistance in this...
View ArticleReplication to Azure VM
We have recently moved our application to Azure as well as the databases that it runs on. We have multiple clients across the globe and we are periodically moving them all to use the application in...
View ArticleSolr 4 backup with replication handler
I would like to backup my solr 4.8 index periodically by using curl http://localhost:8983/solr/gettingstarted/replication?command=backup I don't understand if it is mandatory to build a master-slave...
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How to achieve read/write separation with Entity Framework
I have a database setup using 'master/slave replication'. I have one master and (at least) one slave, possibly â„• slaves. For simplicity from here on I'll talk about one master, one slave because...
View ArticleSQL 2008 Replication Merge Validation Failure
We are getting a bizarre error with some of our users while syncing with our MSSQL Server 2008 R2 service pack 3. Validation fails even though the rowcount and expected rowcount actually match! Error...
View ArticleHigh Availability for MariaDB and Postgres : replication or active-passive...
During the last weeks I did a lot of research on High Availability for Postgres and MariaDB. Both by my own research and also recommended by vendor's, I see replication as a better fit nowadays. Some...
View ArticleChanging tx_isolation and binlog format on master server - do i also need to...
We are running a Drupal Commerce site with MariaDB 10.0 and master/slave replication. Because of the way our application works, we end up running in to a ton of deadlocks under heavy load. Apparently...
View ArticleTransactional replication with push subscriptions (No errors but not working)
I have a very simple replication process set up. SQL Server 2005 One publisher, one distributor and two subscriptions Subscriptions are push I created the snapshot, it reinitialized to the subscriber...
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Merge Replication query causing slow performance
I have three databases (one publisher, two subscribers) running merge replication and this morning noticed very slow performance. They sync on 10 second intervals but this morning it was taking much...
View ArticleHybrid Synchronous / Asynchronous Replication?
We have a situation where we would like to have synchronous replication in our main data center, but replicate asynchronously to another region. Our second data center is 3,000 miles away (Site B) and...
View ArticleSuggestions for replication of data from MS Sql 2005 and MySql
My company currently has a transactional db running on Sql Server 2005. We are going to add a MySql (running on linux) reporting db. We'll need to get replication running from the MS-Sql db to the...
View Articlepgpool2 not working on my Ubuntu i686 athlon i386 GNU/Linux
I am trying to implement replication and load balancing on my Ubuntu i686 athlon i386 GNU/Linux.for creating database clustures I have installed postgresql contrib 9.1.11 having initially database...
View ArticleHow to measure or estimate the streaming replication lag in Postgres 9.2
I've been asked to reverse engineer an app that uses postgresql in the back end. I can see that there is some database replica tion going on... based on my reading, I *think it's called streaming...
View ArticleMySQL Bin-Log Courupped
In the recent time we have found that the bin log is getting corrupted, 20% binlog files were having errors, which couldn't even pass the sanity check by mysqlbinlog -u user -p mysql-bin.000021 | head...
View ArticleI can't create a transactional replication
I have two databases identically in two SQL Server 2014 instances. The problem is as follows. I can access from server A to B, I can create the publication in server A and access to that publication...
View ArticleDefault binary log position for change_master_to in MySQL circular replication?
I have two MySQL servers set up with replication - lets say A and B for ease. Currently B is a slave of A To allow me to switch over to A in event of failure, I want to make this replication circular,...
View Articleis it possible to set up replication across the network? [on hold]
i have to set up transactional replication between two servers across the network. both servers are pinggable from one another. publisher server is under domain but subscriber server is stand alone...
View ArticleCan we disable binary logging for one specific session or user in AWS RDS
Currently we have a situation to disable binary logging for one set of queries on AWS RDS. We thought to set log-bin=0 for that specific session. As per Amazon, this is not possible. Is there any work...
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