Replicate Offline MS Access (2010) to MS SQL Server 2012 - limited connection...
We currently have users working on an MS 2010 database linked to a MS SQL Server 2012 via linked tables. I would like to have the users work offline due to a limited connectivity while working on-site....
View ArticleMySQL Replication Duplicate Entry for Primary Key
160523 13:07:29 [ERROR] Slave SQL: Error 'Duplicate entry '914166' for key 'PRIMARY'' on query. Default database: 'zo_dev_20121216'. Query: 'UPDATE activity SET activity_type_id = 9, subject = 'Send...
View ArticleReplacement for transactional replication
My colleagues and I have to migrate a database from SQL Server 2008 R2 to SQL Server 2012. Schema, triggers, stored procedures etc. are working fine. But we also have to "migrate" the replication...
View ArticleCouchDB Replicas and Copies
Is it safe to copy and replicate CouchDB databases interchangeably? Or will there be problems because of the UUID of the database instance? Here's what I mean. I ran out of disk space on my CouchDB...
View ArticleTransactional replication unspecified error SQL Server 2008 R2
I have a set up of Transaction Replication with the Publisher being the distributor. It works on Push mode. While replicating, more frequently for the past few weeks, the data is not being pushed to...
View ArticleToo many open connections with MongoDB 2.6 + PyMongo 2.7.2
I was running MongoDB 2.4 with a replica set which contains 1 primary, 1 secondary and an arbiter. We were using PyMongo 2.6 and MongoEngine 0.8.2. Recently, we performed an upgrade to MongoDB 2.6, and...
View ArticleMySQL error 1593 on replication between 5.5 on WIndows and 5.6 on CentOS 7
I'm setting up replication between the live server (running Windows 2008 R2 and MySQL 5.5.19) and a dedicated replication server (running CentOS 7 and MySQL 5.6.30). The CentOS box does have MySQL not...
View ArticleHyper-v replica for disaster recovery server
I am new in windows server 2012 r2,i need hyper v replica for sync the data among head office and branches.Basically i don't have enough idea but how to do that ?i need it badly for my...
View ArticleDoes changing fill factor on Identity column affect Merge Replication?
I have identified multiple Identity columns in a database that are set to 80 or 90%. I wish to set them all to 100%. Does anyone know if changing the fill factor on an identity column using Merge...
View ArticleMonitoring streaming replication
We're setting up streaming replication with one master and one (read-only) slave. We're now looking for a way to monitor the replication; mostly to verify that the slave server is still up-to-date. Is...
View ArticleConnect to svn master when outside firewall, connect to svn slave when inside
Here is the planned setup. Subversion master outside the corporate firewall, as a cloud instance. one svn slave replicated with the cloud svn master, but is inside corporate firewall (office network)....
View ArticlePostgresql Master-Master Replication with Bucardo
I installed Bucardo as below Current connection settings: Host: 192.168.0.153 Port: 5432 User: postgres Database: bucardo PID directory: /usr/bin Enter a number to change it, P to proceed, or Q to...
View ArticleChained MySQL replication from Master->Master replicated pair
This is a pictorial view of what I have: Master 1<----->Master 2 | | | | V V Slave 1 Slave 2 The masters are never written to at the same time, rather Master 2 is a standby server. Both Masters...
View ArticleMySQL binary log - write operation
Consider a scenario, where you have a MySQL master and slave server in replication. As we know, binary log enabled on the master and the slave reads from the binary log of the master. From MySQL...
View ArticleIs there a useDirtyFlag option for Tomcat 6 cluster configuration?
In Tomcat 5.0.x you had the ability to set useDirtyFlag="false" to force replication of the session after every request rather than checking for set/removeAttribute calls. <Cluster...
View ArticleMySQL Slave replication: Need to determine where replication left off to...
Idiotically I rebooted a machine that is used as a MySQL slave without running STOP SLAVE, FLUSH TABLES first. I had thought MySQL automatically handles all of this during a machine reboot, but...
View ArticleMySQL 5.6 replication causes 'waiting for table lock'
All of the sudden queries on slave server stopped with status "Waiting for table level lock" I restart mysql service and stop replications and locking does not show up anymore. Once I turn replications...
View ArticleMySQL Circular Replication
I have this scenario where I have 4 MySQL servers (A,B,C,D), as this: Server (A) is always online, and serves as the main website. Servers (B,C and D) are online on random periods of the day, and not...
View ArticleWill "PostgreSQL Streaming Replication" fit this use case?
I am designing an application for public organizations. The purpose is to record data (text and video streams) which will be produced in "local" offices, where connectivity is not guaranteed, and where...
View ArticleIs there a cheap way to bulk select/insert data between SQL Server instances?
In my office, our employees use applications that are consistently writing transaction-type data to a number of databases on a SQL Server 2012. The traffic consists mainly of inserts and updates but...
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