Sql server replication - Slow transfer, even with compressed FTP file
I have a transactional pull replication running. The publisher and the distributor are both SQL server 2012. The subscriber is a SQL express 2012. I have setup the server to get the initial snapshot...
View ArticleGalera is 3x slower than standalone with durable settings, high CPU idle
I am evaluating the Galera Cluster and I can't explain myself the testing results. When comparing a single-node Galera with a standalone MariaDB 10.1.20, I have noticed a suspiciously big performance...
View ArticleWhich solution to use for backend on raspberry pi 3?
we have project written in django and deployed on rpi 3. Currently we are using mariadb with innoDB with storage on SD card. Most of the queries are single row queries, creating m:n links or selecting...
View ArticleForeign key in one table have high read performance or another table with two...
I want to know witch one is better for high read performance. Foreign key in one table have high read performance or another table with two primary key? In Figure1 "idFactor" is nullable some Sanads...
View ArticleCreate User, Tablespace Replication in Oracle GoldenGate
How to replicate - Create User, Procedure and Tablespace using Oracle GoldenGate. I am able to replicate DDL under schema, however above is not getting replicated i.e. when I create an user, procedure...
View ArticleSetting ACL permissions after creating user with DC replication lag possible?
I'm creating a user Programmatically, which works just fine. Right after, I create the users home directory and set the permission for domain\domain admins domain\newlycreateduser I believe the problem...
View Articlecloudant replication regex
I am trying to replicate only the design documents via $regex between environment which unfortunately seems to replicate ALL documents. Any insight on how to limit my documents to _design/* easily via...
View ArticleMsg 14027, Level 11, State 1, Procedure sp_MSrepl_addarticle [table] does not...
Before setting up SQL Server snapshot replication, I backed up the database from ServerA and restored it to ServerB. Both servers are running SQL Server 2008 R2 SP1. In trying to setup snapshot...
View ArticleIs it safe to delete mysql-bin files?
I have MM Replication in mysql, and I want to squeeze some free space in the box be deleting unnecessary files, I came across these mysql-bin files inside /var/db/mysql/ There are hundreds of those...
View ArticleDatabase replication using wamp?
I have created a POS system for our corporation, in the HQ we have a wamp server with the main database, we also have more than 25 branches across the country. I will setup a wamp server on each...
View ArticleRestored DB Server Using FQDN Causing Distribution Issues
We had a complete RAID failure on one of our SQL Server 2008 R2 SP1 servers. I setup a new server and restored everything and we're basically up and running again. But, I have one small issue: I am...
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 ArticleMongo Replication
I have a mongo 2.4.8 database setup and running in a live environment. I am wanting to add a replica however I would like to use the latest version 3.2.9 for the replica. Is the only way for me to do...
View ArticleMySQL Replication: Using HAProxy and an HTTP-Check
I read the Github engineering article on MySQL Replication with HAProxy. One paragraph of note to me is: In this situation, HAProxy no longer uses a mysql-check but rather an http-check. The MySQL...
View ArticleMongoDB replication factors
I'm new to Mongo, have been using Cassandra for a while. I didn't find any clear answers from Mongo's docs. My questions below are all closely related. 1) How to specify the replication factors in...
View ArticleBroken MySQL GTID replication (malaligned GTIDs)
Using Percona MySQL 5.6 with sql_slave_parallel_workers=5 on Debian 8. Sometimes GTID replication breaks and I don't know why. I thought that the GTIDs are executed in a consecutive order, but when...
View ArticleBroken mysql replication on slave server (error 1236)
My question is: how to fix broken mysql replication on slave server (error 1236)? server 1 (192.168.1.105) server 2 (192.168.1.106) I ran these steps to re-sync: At the master - server 1...
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 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...
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