Let us learn how about some of the haproxy load balancing algorithms with the support of our Server management support services at Bobcares.

Various HAProxy load balancing Algorithms

We will go through some of the most common load balancing techniques that HAProxy supports.

1. Round Robin:

   This method distributes incoming requests to backend servers in a circular fashion. The process sends requests sequentially to each server, with each server being assigned a number.

   This method ensures that each server receives an equal amount of requests, making it an excellent choice when we have a collection of servers with similar capabilities.

2. Least Connections:

   This algorithm distributes incoming requests to the server with the least number of active connections. This algorithm is useful when a set of servers with different processing capabilities are present as it ensures that requests are sent to the least busy server.

3. Source IP Hash:

   This HAProxy load balancing algorithm employs a hash function to map the incoming request’s originating IP address to a backend server. Requests from the same IP address always route the same server.

   When we have a group of servers that need to save state information, such as session data, this technique comes in handy.

4. Weighted Round Robin:

   This algorithm is similar to the Round Robin algorithm, but it allows you to assign weights to each server. Servers with a higher weight receive more requests than servers with a lower weight.

   This algorithm is useful when you have a set of servers with different capabilities, and we want to distribute traffic accordingly.

5. Weighted Least Connections:

   This approach is similar to the Least Connections algorithm in that weights assign to each server. Higher-weighted servers receive more requests than lower-weighted ones. This approach is handy when we have a collection of servers with varying processing power and want to distribute traffic properly.

These are some of the most frequent load balancing algorithms that HAProxy supports. The capability of the backend servers and the application’s requirements determine the chosen algorithm.

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Conclusion

To sum up, our tech team has now shown us the various HAProxy load balancing algorithms.