Replication 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 ArticleColumn cannot be converted from 'tinyint' to type 'int(12) unsigned in MySQL...
I am having an issue in mysql 5.6 replication when trying to upgrade tinyint to int(12). I have upgraded a column at slave from tinyint(4) to int(12) and after a few minutes got below replication error...
View ArticlePostgresql Streaming replication - monitoring
I have setup streaming replication for my postgres servers. I am using PostgreSQL 9.2.6. Replication seems to be working fine. I am monitoring this with two ways using nagios: Log_delay and Byte_lag I...
View ArticleMongodb replication seems to be abnormal
I have a three member replica set as 1 primary and 2 secondaries A - Primary B - Secondary C - Secondary Initially I had only one Member A and all CRUD operations were performed on this only. After...
View ArticleRelaying changes to a slave from another master with Tungsten on MySQL
I am trying to setup a multi-master type of replication with each master having an additional slave using Tungsten. As an example, lets say I have 4 hosts (A,B,C,D) and hosts A and C are the masters,...
View ArticleReplication Issue - Changing the replication-do-db filter
I have a server that someone has setup which are acting as a master on both database. Since they have been configured as both master on the same database, changes one on end has caused all sorts of...
View ArticleHow to setup sync between MongoDB and C# .NET Application
What is the best practice to synchronize a MongoDB remote database with a C# .NET App that would allow queries to be responded to within the local file system and update itself when there is a change...
View ArticleWhat is stable history in a database?
I am reading the paper Making geo-replication fast as possible, consistent when necessary by Li et al. in which they propose a geo-replication system called "RedBlue Consistency". They have a table...
View ArticleTerabyte distributed caching solution
Are there any open source caching solutions that can deliver a cache of Terabytes. The solution features must include:- Multi-master replication (e.g. cross site replication) Synchronous &...
View ArticleFinding 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 ArticleHigh solr server load on slave due to delayed replication
I am currently working with Java-1.7, Solr-4.8.1 with tomcat 7. The solr configuration has master & slave ( 2 Slaves) architecture. Master & Slave 2 are in same server location (say zone A) ,...
View ArticleRemoving the uses of MySQL temporary tables
We have a very huge PHP/MySQL application with a lot of legacy code, this application utilized MySQL for most of it's work. It does most of the processing on the database side using temporary tables,...
View ArticleMySQL row-based replication - Delete Fails
We have a Master - Master replication setup, MySQL 5.6. Only one Master is used, the other is for backup and failover (we'll call that the slave). The binlog_format is set to ROW, autoincrement...
View ArticleSQL Express 2014 edition call pull Snapshot replication subscribers
I have Sql Stander edition 2014 Which is Distributor and Publisher Also. I created Subscriber on Sql Stander Edition on other Server.Subscriber pull Snapshot Replication is working proper and i can...
View ArticleMSarticles table keeping ghost rows
I have SQL Server 2005 running on a Windows 7 machine that is replicating data being logged into SQL Server 2005 on a Windows XP machine. I'm having a problem that when subscriptions are dropped, about...
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 ArticleMerge replication: some subscribers initializing by downloading changes...
I have a database in merge replication with about 25 subscribers, all accessing the publisher/distributor over a satellite connection (high latency, low bandwidth). Recently, as part of a planned...
View ArticleODBC users keep connceted to MS-SQL Database after mirroring Failover [on hold]
I'm working on configuring database mirroring, I'm using MS-SQL 2008. My application connect to the database using ODBC (ODBC Driver 11), this version of ODBC allow me to specify the mirror server. One...
View ArticleCouchdb replication stalled with one record left
I have two couchdb instances with continuous replication setup from A to B. The replication proceeds fine when initiated, but then stalls at 93%. When I dig deeper I see that the update_seq is 15, but...
View ArticleLDAP Replication centos 6
I am following reference from http://tech.cbjck.de/2013/03/25/ldap-replication/ for replication. I am running on Centos 6. Now I am stuck at creating provider.ldif at provider side. CLI: ldapadd -Y...
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