Trying to Sync up two databases present at different servers
I can't able to pick right solution of my below Requirement . Can you people please advice? Requirement :- We have two Database servers(Sql server 2012) First one(UAT environment) is at Texas(Usa) our...
View ArticleHow can MongoDB elect a new primary when a datacenter has failed?
I am curious about the following situation when setting up a MongoDB cluster. 2 Datacenters, 2 nodes in each data center for a total of a 4 node replicaset. One of the two datacenters has become...
View ArticleGerrit project not replicating to bitbucket, ERROR: channel is not opened
One of our Gerrit projects stopped working after a certain date with the following error: Error from the Gerrit logs /var/gerrit/logs/error_log:[2016-07-29 17:59:51,676] ERROR...
View ArticleConfiguring slave from EC2 master to Amazon RDS slave
I am configuring replication from EC2 master to Amazon RDS instance. After starting the slave, I don't see any errors but I see slave_IO: _thread is connecting. Master version:5.6.23 Slave...
View ArticleMySQL slave server getting stopped after each replication request from Master
Basic master-slave MySQL configuration has been done on Windows machine. Master and slave servers are running on localhost with different ports. Now when executing update or insert in master server,...
View ArticleAdd article to transaction replication without generating a snapshot at all
I have a transaction replication and the subscription was synced from snapshot years ago. Now I have a new table that needs to be added to the replication. Problem is the table is close to a TB and I...
View ArticleDoes MongoDB [replica set] election occur even if each server has a good health?
I'm not sure if I understand this document correctly. https://docs.mongodb.com/manual/release-notes/3.2/#rel-notes-rs-enhancements
View ArticleSlave_IO_Running: Connecting in Master-Slave Replication
I was trying to implement Master-Slave Database Replication on two systems. I followed the steps from the following linkshttps://www.youtube.com/watch?v=DmQWcU2INqQ andMaster Slave Replication But in...
View ArticleHow archive command works in postgres
Just wondering how does this postgres wal archive command works in replication: rsync -z -a --contimeout=120 --partial-dir=.rsync-partial %p db-slave.sr1.net::primary-wal-archive-share/%f what does...
View ArticleIs it possible to have MASTER_DELAY on an Amazon RDS slave?
I want to set "MASTER_DELAY=86400" on an Amazon RDS slave (so my slave is 1 day behind my master). I know how to do this in a regular master/slave setup. I can't see that it is possible in RDS. Am I...
View ArticleIs sp_stoppublication_snapshot considered a undocumented procedure or is my...
I am trying to start and stop the replication snapshot via t-sql. I found sp_startpublication_snapshot, and doing a trace while hitting the stop on the snapshot from inside SSMS I see it calls...
View ArticleUnable to Generate Scripts for Publications
Version is SQL 2008 R2 Enterprise I am attempting to document our replication configuration. Replication is running and working fine: In SSMS I right click on a publication and select Generate...
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,...
View ArticleMerge Replication: Service Account Password Change
Is it possible to change the password of a SQL Server service account that is used for not only on the publisher server but the 6 subscriber servers as well without seriously affecting merge...
View ArticleProblem when using gtid with MySQL replication
I am faced with this problem when using gtid in MySQL replication: When @@SESSION.GTID_NEXT is set to a GTID, you must explicitly set it to a different value after a COMMIT or ROLLBACK. Please check...
View ArticleSQL AlwaysOn & System Center Configuration Manager TP 4 1601
Recently Microsoft released Technical Preview 4 for Configuration Manager (1601). Per TechNet, "Configuration Manager now supports using a SQL Server AlwaysOn availability groups to host the site...
View ArticleMySQL replication error from 5.5 -> 5.6
i was now searching the whole web but can't find any solution for my problem. I have an MySql Server, this is my Master and installed Version is 5.5. My Slave has Version 5.6. Show Slave Status on the...
View ArticleIs group replication available in Mysql community?
Group replication for Mysql server seems to be a great functionnality. It is available from version 5.7.17 of MySql Enterprise and Cluster CGE edition. But is it available for Mysql community ? and...
View ArticleIs it possible to have MySQL slave outside firewall
For various reasons I need one of the databases from intranet MySQL server to be made available to (insecure) online server. Due to the requirements it was decided that a db dump will be used via cron...
View ArticleHigh Availability for MariaDB and Postgres : replication or active-passive (SAN)
During the last weeks I did a lot of research on High Availability for Postgres and MariaDB. Both by my own research and also recommended by vendor's, replications seems to have more advantages. Some...
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