In mongodb 3.0 replication, how elections happen when a secondary goes down
Situation: I have a MongoDB replication set over two computers. One computer is a server that holds the primary node and the arbiter. This server is a live server and is always on. It's local IP that...
View ArticleMySQL replication seems to work but no data is transferred [on hold]
I'm trying to set up a one way MySQL replication. All sources I looked for errors seemed fine but no data is transferred. The following sites couldn't help me:...
View ArticleLooking for Master-Master Replication Postgresql Windows
Looking for master-master replication with PostgreSQL for Windows. I look in the wiki https://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling but all master-master tools are...
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 ArticleMySQL: What happens to the row when skip-errors=1062 is set
I found out that I can set skip-errors=1062 in the my.cnf but I need to know what happens to the row when the error happens. Does it get silently dropped? Or is that config option the equivalent to...
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 ArticleCan I add an Arbiter node in the same server of my Config-Server?
I'm using MongoDB and I want to know if I can add an Arbiter node in the same server that I'm hosting my Config-Server. Is it possible? Let's say that I have 3 sharded clusters with 6 servers (2 per...
View ArticleCannot drop distribution database in SQL Server 2012
I am trying to drop distribution database but cannot as I am getting this error: The operating system returned error 21(The device is not ready.) to SQL Server during a read at offset 0x00000000056000...
View ArticleCDC (Change Data Capture) is not harvesting logs and log file continues to grow
I am in a Windows environment running a MSsql server 2014 enterprise. I am running CDC on a DB with Always On High Availability Groups. When I first enabled CDC the log files were being harvested and...
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 ArticleReplication of Database in PostgreSQL
I want to Replicate my PostgreSQL, in the website there far too many options, I want to know which one to choose. I have to server a main server which the database is stored at. Inserting, editing and...
View ArticleReplicate SQL Server database (PUBLISHER) to Always ON Availability Groups...
https://msdn.microsoft.com/en-us/library/hh710046.aspx I have configured replication between Always ON Availability Groups (Listener) (PUBLISHER), remote distributor to XYZ SUBSCRIBER...with above link...
View ArticleMerge Replication - Deleting from the subscriber database?
I have 2 SQL Server instances where I use merge replication on a database. A developer accidentally inserted data to both the subscriber and publisher at the same time. Now I have data in both...
View ArticleChanging to MariaDB GTID replication from Old-Style Replication
I am working on seting up two new DB servers in a Master to Slave replication scenario. They are both running Redhat 7.1 and MariaDB 10.1.9. Initially I setup old-style binlog filename/offset position...
View ArticleMySQL performing a "No impact" temporary INSERT with replication...
SO, we are trying to run a Report going to screen, which will not change any stored data. However, it is complex, so needs to go through a couple of (TEMPORARY*) tables. It pulls data from live tables,...
View ArticlePostgresql hot standby what happens when Master is down
Beginner question. When Master is down hot-standby become automatic master? When old master is up what happened to hot-standby and meanwhile data insert in hot-standby how is transfer to the old-master
View ArticleReplication taking too much time between requests
We are using transactional replication in SQL Server 2014 with one master (publisher), 1 distributor (dedicated server), and 3 slaves (subscribers). All writes are made to master and reading is done...
View ArticleBucardo Postgresql replication master-master windows
Is it possible to use Bucardo installed on linux PC to replicate master-master postgresql 9.4 for two windows servers.
View ArticleHow to update conflict resolver when upgrading from SQL-Server 2005 to...
We have recently upgraded from SQL Server 2005 to SQL Server 2008 (R2, SP1). This upgrade included some publications, where all tables are published with a default conflict resolver based on the "later...
View ArticleCouchDB not replicating design documents
I have a CouchDB 1.2.0 instance running on my laptop and I want to replicate a local database named "soup" to a remote machine, which runs a CouchDB 1.1.1 instance. I issue the replication from futon...
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