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Solved Mysql connection lost with HAProxy

I have master-master replication with mysql. and haproxy configured front of my master-master replication. When I connect my replication via HaProxy, mysql says that "MYSQL has gone away". But when I ...
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38 views

Are TCP loadbalancers an alternative to Postgres 9.X read slaves load balancers like pgPool II or pgBouncer?

To scale read traffic on PostgreSQL streaming replication slaves, I want to be able to load-balance the requests. Postgres documentation suggests using tools like pgPool and pgBouncer, but I am ...
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130 views

Confused about load balancing and horizontal scaling in postgresql [closed]

Please correct me if I am wrong but I guess handling more requests and load by adding more machines or balancing the load between multiple servers is horizontal scalling. So, if I add more servers, ...
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60 views

pgpool2 not working on my Ubuntu i686 athlon i386 GNU/Linux

I am trying to implement replication and load balancing on my Ubuntu i686 athlon i386 GNU/Linux.for creating database clustures I have installed postgresql contrib 9.1.11 having initially database ...
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17 views

MongoDB Balancer:move data inside replication set or across replication set?

After reading the document of mongodb on the balancer topic , I have two questions: 1.If I set Balancer on , will the db operation efficiency will be influenced ? 2.Still ,I cannot understand ...
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357 views

PostgreSQL High Availability/Scalability using HAProxy and PGBouncer

I have multiple PostgreSQL servers for a web application. Typically one master and multiple slaves in hot standby mode (asynchronous streaming replication). I use PGBouncer for connection pooling: ...
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91 views

Creating a database redundancy based on Mysql

I have this requirement where my web application running on a tomcat is behind a loadbalancer and I am planning to deploy this application on multiple servers. This webapp though needs a database ( ...
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543 views

How can I configure SQL Server 2012 to use multiple NICs?

How can I configure SQL Server 2012 to use multiple NICs? I've a server with 4 NICs. I want to use 2 NICs to query my databases, and 2 NICs to retrieve results from them. I want them to work in load ...
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172 views

LoadBalancing JDBC DataSource Connect without URL

When using JDBC I like the new DataSource-way to establish the connection. Further I like the isolated set-Methods for the properties like setUser, setPassword, setDriverType, setServerName, ...