MySQL Replication - How to avoid hard coding MASTER_PASSWORD when achieving...
In many other places, I am achieving it via following command: mysql --defaults-group-suffix=xxxx -e "SHOW VARIABLES LIKE '%version%'; The actual password is in my.cnf.d/my_custom.cnf but how do I...
View ArticleHow to replicate the data accross multiple NGINX server?
We want to use NGINX as a media server where we will hosts media files like videos, images and etc.. I have googled and found some solutions like RSync, GlusterFS.. Even I have gone through...
View ArticleArchitecture to scale Postgres read capacity for a limited time each day?
We run a postgreSQL (9.4) server to store data for a web application. Our next feature will require a very data intensive processing on the server requiring a lot of db queries and computation over...
View ArticleWhich CMS can handle serving pages from multiple hosting locations?
Our company has been quite successful in managing its website including all of the business logic and stuff. However, there are also a lot of static content pages which today get served using a...
View ArticleWhere are mongo replication settings stored?
After a complete reinstall of mongo, it has still remembered the replica set configuration from before; where has it stored this? I installed mongo on a linux server, using our project's user account,...
View ArticleCan Records be Replicated in an Availability Group Out of Sequence?
A data warehouse ETL process is querying a read-only secondary in an availability group. The ETL process queries a single table incrementally using datetime range criteria of a minute and read...
View ArticleSetting up Oracle publishers in SQL Server replication
I am attempting to set up and oracle publisher on a sql server 2008R2 server, but I am getting the following error. "Unable to run SQL*PLUS. Make certain that a current version of the Oracle client...
View ArticleSQL Replication from existing DB to new DB
My current situation: I have a 4GB database that's running on MYISam. I'm creating a new database on a different server, and I want to move the data from the old server to the new server and keep them...
View Articlemysql data not replicating, but replication seems fine
I have a 4 machine mysql cluster running mariadb 10.0.21. I have two masters setup, that are slaving off of each other. And then two read-only slaves that are replicating from the 1st and 2nd db’s...
View ArticlenewseqeuntialID vs bigint on replicated database
I recently started working on an application that has merge replication for offline scenarios. We have an int identity column that serves as the pk and clustering index. We also have uniqueidentifier...
View ArticleMySql MASTER-MASTER replication not working with no errors
Okay so I have set up mysql replication using this guide So when I create a database called test1 on the EU server the database test1 does not replicate on the US server US server slave status:...
View ArticleMySQL replication with 5.7 master and 5.5 slave
I'm trying to setup a MySQL replica with the master on 5.7 and the slave on 5.5. On the master I have disabled the binlog_checksum. After import a dump of the database, change the master and start the...
View ArticleHow to Upgrade Master Slave MySQL on AWS RDS?
I already have Master Slave configuration on AWS RDS. We want to upgrade 5.5 to 5.6.23. ..What should be correct sequence to Upgrade ? 1. Upgrade Master ( Using Modify Instance ) --> Upgrade Slave...
View ArticleBidirectional Replication Push and Pull with SQL Server
Please bear with me, I'm a developer working with a client without access to a strong DBA. I have a question about bi-directional replication with the following setup and requirements: MSSQL Server...
View ArticlePostgreSQL : Master-Slave replication strategy and solution for 3 servers.
We have currently 3 servers(X,Y,Z) running Debian X64, two of them host projects(Y,Z), which don't require that much database, as they serve more static content, but the third server(X) is largely...
View ArticlePlatform independent generic (ETL) tool for schema replication across servers
I am looking for a platform independent, generic tool for database schema replication across servers. I am a developer who, much like most other developers, point their local development environment to...
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 ArticleNotifying postgres changes to java application
Problem I'm building a postgres database for a few hundred thousand products. I will set-up an index (Solr or maybe ElasticSearch) to improve query times for complex search queries. The point now is...
View ArticleSql Server Replication requires the actual server name to make a connection...
I get the following message when I want to create a Remote Distributor. First i delete my whole configuration of replication then after i take a first step to create new replication and i get below...
View ArticleMySQL database sync options
What are some of the good options to sync two or more MySQL databases of the same schema, situated at different locations; reliably? We have four database in four different locations. we tried using...
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