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Permanent count of waiting tasks (2) in Activity monitor
Now I'm observing in Activity Monitor permanent count of waiting tasks: and at "Resource waits" tab I see next: so, my question is: How to find and resolve this wait tasks? I suspect that it related...
View ArticleRavenDB collection level security / permissions (for read-only replication)?
We have a RavenDB server with a Master-Slave setup. There is one master DB where documents get written to via one process, which are then replicated to the slaves. The slaves are accessed via a web...
View Articlehow to force MySQL unsafe replication warnings to throw an error
I understand that MySQL WARNING statements, with respect to replication unsafe statements, are not 100% valid. That is, if you know what you are doing, if you understand the schema, there are indeed...
View ArticleCan I get pg_rewind to show me lost data after a Postgres failover?
Say I have Postgres setup with a warm standby using the build in replication features. Now, imagine a scenario where the data centre the master loses power and the slave is in another data centre and I...
View ArticleHow to PUSH data between a Local DB Server to Cloud DB Server?
I have an implementation doubt regarding replicating data between SQL Server 2014 database servers (Replicating data from Local Premises SQL Server to Cloud DB Server, which are not in same domain or...
View ArticleHibernate: how to mirror specific data
I'm currently working on a project using hibernate for persistance on top of databases of various types. The solution consists of multiple servers with their own databases. The challenge is now to...
View ArticleSlave not getting replicated SERVER_UUID error
Unable to start replication Master-Slave, I have searched a lot for this but unable to get the Server-UUID of both the server. Do we have any solution for this. Scenario: I have created new slave which...
View ArticleHow does database replication work conceptually?
I would like to understand how database replication works conceptually. I know that databases have their own log (e.g., the OpsLog in MongoDB), but most information you can find on the web is about...
View ArticleCloudant auto increment field on replication
Is it possible to auto increment a field of a document when performing a replication? I have an application where a user can place markers on a map and I need to number these markers sequentially so...
View ArticleMySQL Trigger Replication between Master and Slave
we are running a rather highly loaded MySQL Application replicating between Master and two Slave instances. We are using Statement-based replication. Recently, we have upgraded our hardware and a very...
View ArticleSQL Server Transactional Replication Missing articles
I am experimenting with Transactional Replication in SQL Server 2014 Standard edition. Replication has been setup and is mostly working with the exception of some views and functions that are missing...
View ArticleUnable to do Replication of MySQL DB, Is their any other way to keep online...
I am unable to do Replication of local MySQL DB to online DB, Is their any other way to keep online DB updated. Like am I able to create a log file and implement that log file to online mysql DB.
View ArticleEhcache JBOSS JMS replication
Please let me know if anybody has tried distributed ehcache configuration using jms replication in JBOSS. Any pointers will be helpful to me.
View ArticleHazelcast 3.5.5 - Wan Replication Recovery
Say, we have two Hazelcast clusters located in two locations, namely London and Tokyo and we configure WAN replication in active-active mode to replicate a distributed map between them. If one of the...
View ArticleDoes Loopback sync support document-level replication?
I'm looking at setting up a synchronisation between device and server database using CouchDB. The interface i'm looking at using is loopback's built-in synchronisation (soon to become...
View ArticleAdd article to transactional publication without generating new snapshot
Using SQL 2008 R2 transactional replication with pull subscribers, when we add an article, I'd like to avoid having to create an entire snapshot (the db is ~80 GB, so this takes hours). From this...
View ArticleReplication of a remote MySQL database to local MySQL database
I'm the developer of my employers corporate private website, a HTML5/PHP/CSS powered site for company reports etc. The site, hosted on a shared hosting package, connects to a remote read-only MySQL DB...
View ArticleReplicate a database using snapshots and transaction logs
For learning purposes, I want to write my own database, that is able to replicate itself. I have made some progress, but now I am facing a problem that I can not solve. Supposed I have a database...
View ArticleAdjusting HDFS Replication Factor by Age or "Hotness"?
I'm migrating from classic filesystem and Grid Engine scheduler to a more hadoopish world with first step HDFS only and later a new scheduler as well. The current access pattern where I work is new...
View ArticleDo Sequences Have the Same Replication Range Limits As Identities?
With merge replication, if the subscriber runs out of identities for a range when inserts occur into it, the subscriber will throw an error on the insert into the table, because it is the publication...
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