Defining Logical Decoding Between 2 PostgreSQL Servers
I attempted to ask for clarification on another post, but since this is my first post, I wasn't able to add a comment to the question: Need a log based replication / CDC solution to publish postgres to...
View ArticlePostgreSQL: Removing standby from streaming replication
I have PostgreSQL 9.4 streaming replication setup between three nodes (master and two hot standbys). I use repmgr to control the replication cluster. I need to retire one of the standbys and remove it...
View ArticleWhich error codes are safe for `slave_skip_errors` with MySQL Innodb
Does anyone know which error codes are safe to ignore during replication, meaning the slave will remain consistent with the master? For example [mysqld]...
View ArticleSQL Server is unable to connect to server , requires the actual server name
I buy a cloud vps on vsp.ag , which is ubuntu os and I install sql server using this . I can remotely connect from my local PC using IP address of VPS . But I can't configure the distribution. It said...
View ArticleDatabase dropped on slave when dropped on master although executed stop slave...
Any on provide me answer how it is possible Database also dropped on slave server when dropped on master server although executed stop slave on slave server
View ArticleMySQL slave stuck at 'System lock' most of the time, high CPU usage
Let me describe what we are facing now: We have a MySQL Master-Slave, Row Based Replication setup and at the moment, the slave is stuck with a perpetual System Lock. The Master is an active server with...
View Articleseqno in grastate.dat (Galera) - does seqno increment for every transaction?...
After storage outage those are the sequence numbers of our cluster: galera-1: 515990451 galera-2: 214013741 galera-3: -1 Is this correct? On galera-1 is the most recent data? According to this question...
View ArticleNon-Replicating commands from (master) Mysql 5.5.40 to (slave) MariaDB 10.0.19
CRUD replicates just fine. But we noticed that DB structure altering commands such as ALTER TABLE and/or adding/updating columns to a table and even creating new ones do not replicate to the slave at...
View ArticleWhy does replication with SSL fail on my MySQL database in AWS RDS?
I'm trying to replicate from AWS RDS to my own server. It works without SSL. Whenever I include the SSL property to the slave, it breaks with this error: error connecting to master...
View ArticleMongoDB unrecoverable replication error
One of member of my MongoDB replica set decided it would not restart, with the following error (reformatted for readability): Starting rollback due to OplogStartMissing: our last op time fetched:...
View ArticleWhy MySQL Group Replication slave nodes have high delay with write node?
MySQL 5.7.17 MGR deploy in single-primary mode, 3 node all one one machine, the same configuration. And then we test insert on the primary node and observe that the slave nodes have high delay with the...
View ArticleIs it possible to replicate data changes of a database with triggers using...
I'm tasked to minimize the downtime of the database update. Unfortunately, I cannot use pt-online-schema-change toolkit because some tables in the current database has MySQL triggers that does further...
View ArticleStart mongod with overrided configuration for replSet
I have few mongoDB instances running as replication set. For each of them, I have prepared configuration file with replSetName, so starting mongo by mongod without -replSet is still adding it to...
View Articlecassandra sharding and replication
I am new to Cassandra was going though this Article explaining sharding and replication and I am stuck at a point that is - I have a cluster with 6 Cassandra nodes configured at my local machine. I...
View ArticleRemove [NOT FOR REPLICATION] from all Identity columns of Database tables
I have a Database which is containing lot of tables with Identity columns set to [NOT FOR REPLICATION]. in SQL Server 2008 R2 Is there any way that I can remove this constraint from all tables from...
View ArticleHyper V replication - vs - sql replication solutions
I need to establish an offsite copy of a number of production servers, including SQL server. Hyper V replication has been chosen as a simple solution (all servers are virtual). This is to supplement...
View ArticleReplication: Procedure or function sp_MSupd_PROC has too many arguments...
Source is one service pack behind destination (2012). I know service packs can be issues here, but it looks like this is only for versions 2000 and 2005. When using sp_helptext sp_MSupd_PROC the...
View ArticleMySQL read-write Master with many read-only Slaves over shared storage?
I've asked the same question on the MySQL forum but have also seen lots of great responses here as well so thought I would try my luck here too. We have a relatively large MySQL environment where we...
View ArticleHow replicate database between two database with Oracle esb middleware?
I want two SQL Server database with same version, I want transaction replication between two database,two database located in different city. But between two database locate oracle enterprise service...
View ArticlePgpool install - libpq is not installed or libpq is old
Based on the documentation here, I want to create a pgpool II with PostgreSQL databases. When I try to install, I encounter this error: configure: error: libpq is not installed or libpq is old...
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