February 18, 2012 at 11:26 am
Hi all,
My company is planing to implement load balancer for HTTP requests in case to increase the performance of website. We have two different servers, one is for website hosting and another is database server (sql 2008).
As the website is having 80% of database operations, Does http load balancer will work? or Does we should have two load balancer , One if for HTTP requests and other is for sql server? Or can one load balancer will work for these two?
February 18, 2012 at 12:25 pm
You can't load balance two or more SQL Servers without huge amounts of work to keep the two databases in sync eg though (peer-to-peer replication). A HTTP load balancer requires two or more web servers, if there's only one web server, there's nothing to balance the load across.
Typically you'd load balance a group of web servers and they'd all talk to a single SQL Server, probably a more powerful server.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
February 18, 2012 at 9:05 pm
We have one web server and one database server. The web server is then divided into virtual machine. Load balance r will manage the loads between virtual machines.
my question is can we balance the load in sql server?
February 19, 2012 at 3:17 am
GilaMonster (2/18/2012)
You can't load balance two or more SQL Servers without huge amounts of work to keep the two databases in sync eg though (peer-to-peer replication).Typically you'd load balance a group of web servers and they'd all talk to a single SQL Server, probably a more powerful server.
That said, peer-to-peer replication is a SQL 2005+ feature, I assume you have SQL 2000 since you posted in the SQL 2000 forums. If that's the case, the best advice I can give is upgrade to something less than 10 years old.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
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