Haproxy
HAProxy is a free, open source software that provides a high availability load balancer and proxy server. It is commonly used to improve the performance and reliability of web servers by distributing incoming requests across multiple servers.
load-balancer
proxy-server
high-availability
web-server
Haproxy: High Availability Load Balancer
HAProxy is a free, open source software that provides a high availability load balancer and proxy server. It is commonly used to improve the performance and reliability of web servers by distributing incoming requests across multiple servers.
What is Haproxy?
HAProxy is a free, open source high availability load balancer and proxy software. It provides high availability, load balancing, and proxying for TCP and HTTP-based applications. Some key features of HAProxy include:
- Load balancing algorithms like round robin, least connections, source IP hash, etc. to distribute requests across multiple servers
- Health checks to automatically detect unhealthy servers and avoid sending requests to them
- Support for multiple load balancing methods like layer 4, layer 7, SSL offloading, etc.
- High performance - can handle thousands of connections per second
- DDOS protection by limiting connections per IP, whitelisting IPs, etc.
- Detailed logs and statistics to monitor activity and issues
- Ability to add and remove servers from the pool easily without impact
HAProxy is used to improve web application performance by distributing the load across multiple servers. This allows handling more traffic and provides better reliability in case one of the servers goes down. Popular web stacks like LAMP uses HAProxy for load balancing. Large companies use it to handle traffic for their websites and web applications.
Haproxy Features
Features
- Load balancing
- Proxying
- Health checking
- SSL offloading
- Caching
- Compression
- Rate limiting
- Connection limiting
- Queueing
- Retries and timeouts
- Access control lists
- Logging and monitoring
Pricing
- Open Source
Pros
Open source and free
High performance
High availability
Wide protocol support
Feature rich
Active community
Cons
Steep learning curve
Manual configuration
Limited GUI options
No native clustering
Limited DDoS protection
Official Links
The Best Haproxy Alternatives
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Here are some alternatives to Haproxy:
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