diff options
Diffstat (limited to 'doc/src/manual/cowboy_websocket.asciidoc')
| -rw-r--r-- | doc/src/manual/cowboy_websocket.asciidoc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/doc/src/manual/cowboy_websocket.asciidoc b/doc/src/manual/cowboy_websocket.asciidoc index e152182..d5db82f 100644 --- a/doc/src/manual/cowboy_websocket.asciidoc +++ b/doc/src/manual/cowboy_websocket.asciidoc @@ -203,6 +203,7 @@ opts() :: #{ active_n => pos_integer(), compress => boolean(), deflate_opts => cow_ws:deflate_opts() + dynamic_buffer => false | {pos_integer(), pos_integer()}, idle_timeout => timeout(), max_frame_size => non_neg_integer() | infinity, req_filter => fun((cowboy_req:req()) -> map()), @@ -224,7 +225,7 @@ init(Req, State) -> The default value is given next to the option name: -active_n (100):: +active_n (1):: The number of packets Cowboy will request from the socket at once. This can be used to tweak the performance of the server. Higher @@ -248,6 +249,17 @@ options and the zlib compression options. The defaults optimize the compression at the expense of some memory and CPU. +dynamic_buffer ({8192, 131072}):: + +Cowboy will dynamically change the socket's `buffer` size +depending on the size of the data it receives from the socket. +This lets Cowboy use the optimal buffer size for the current +workload. ++ +The dynamic buffer size functionality can be disabled by +setting this option to `false`. Cowboy will also disable +it by default when the `buffer` transport option is configured. + idle_timeout (60000):: Time in milliseconds that Cowboy will keep the @@ -287,6 +299,8 @@ normal circumstances if necessary. == Changelog +* *2.13*: The `active_n` default value was changed to `1`. +* *2.13*: The `dynamic_buffer` option was added. * *2.13*: The `max_frame_size` option can now be set dynamically. * *2.11*: Websocket over HTTP/2 is now considered stable. * *2.11*: HTTP/1.1 Websocket no longer traps exits by default. |