How many database connections do I need?

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What factors should be taken in mind to decide how many write connecttions should I make to a DB. I want to create these connections .How many database connections does 1000 concurrent mysql users .Database concurrent connections in regard to web (http) requests .Optimal number of connections in connection pool - Stack OverflowConcurrent database connections- how is it counted - Stack OverflowДругие результаты с сайта stackoverflow.com

How many DB connections are needed?

In general, the number of max connections should be equal to the number of requests you expect the web server to perform each second. This will depend on how heavy your database logic is. For a new deployment, something around 15 as the value of max connections should be OK.

How many connections can a database have?

By default, SQL Server allows a maximum of 32767 concurrent connections which is the maximum number of users that can simultaneously log in to the SQL server instance.

What is the ideal connection pool size?

For optimal performance, use a pool with eight to 16 connections per node. For example, if you have four nodes configured, then the steady-pool size must be set to 32 and the maximum pool size must be 64.

Can a database have multiple connections?

A database can be available to multiple connections in several situations. Multi-user database access is possible if Derby is running inside a server framework. A single application can work with multiple Connections to the same database and assign them to different threads.

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