Which version of nginx has better performance?

The production environment uses Stable version: the latest stable version. The latest version now is nginx-1.8.1

Note the differences between versions: The Nginx official website provides three types of versions (recommended learning: nginx tutorial)

1, Mainline version: Mainline is the version that Nginx is currently working on, and it can be said to be the development version, performs well but may have problems.

2. Stable version: the latest stable version, the version recommended for production environments

3. Legacy versions: the stable version of the legacy old version

Nginx HTTP basic functions:

Processing static files, index files and automatic indexing.

Reverse proxy acceleration (no caching), simple load balancing and fault tolerance.

FastCGI, simple load balancing and fault tolerance.

Modular structure. Filters include gzipping, byte ranges, chunked responses, and SSI-filter. In the SSI filter, multiple subrequests to the same proxy or FastCGI are processed concurrently.

SSL and TLS SNI support.

IMAP/POP3 proxy service function. Use an external HTTP authentication server to redirect users to an IMAP/POP3 backend.

Use an external HTTP authentication server to authenticate the user and redirect the connection to the internal SMTP backend.

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