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author | Loïc Hoguin <[email protected]> | 2024-01-29 15:40:26 +0100 |
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committer | Loïc Hoguin <[email protected]> | 2024-01-29 15:40:26 +0100 |
commit | 2368dc53d0c724f1899aeb2874ba1a763e11f0b8 (patch) | |
tree | 37343cf8386eb4b02a096ac507b2208d84b07b43 /docs/en/cowboy/2.11/guide/performance.asciidoc | |
parent | c4b13de35093b72a84c8782c0e8b0461d4aeaa13 (diff) | |
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Cowboy 2.11
Diffstat (limited to 'docs/en/cowboy/2.11/guide/performance.asciidoc')
-rw-r--r-- | docs/en/cowboy/2.11/guide/performance.asciidoc | 29 |
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diff --git a/docs/en/cowboy/2.11/guide/performance.asciidoc b/docs/en/cowboy/2.11/guide/performance.asciidoc new file mode 100644 index 00000000..10031302 --- /dev/null +++ b/docs/en/cowboy/2.11/guide/performance.asciidoc @@ -0,0 +1,29 @@ +[[performance]] +== Performance + +This chapter describes the performance characteristics +of Cowboy and offers suggestions to get the most +performance out of your application. + +=== One process per connection + +The first version of Cowboy featured a single process +per connection, whereas the current version of Cowboy +features one process per connection plus one process +per request. This has a negative impact on performance, +but is necessary in order to provide a common interface +for both HTTP/1.1 and HTTP/2 (as well as future HTTP +versions). + +It is still possible to use a single process per +connection, and avoid the creation of additional +processes for each request, by implementing a +stream handler to process the requests. This can +be done for all requests, or just for a single +endpoint depending on the application's needs. + +Stream handlers provide an asynchronous interface +and must not block, so the implementation will +be very different from normal Cowboy handlers, +but the performance gains are important enough +to justify it in some cases. |