From: Rich Bowen Apache HTTP Server Version 2.4
+ Hier sind alle Apache-Direktiven aufgeführt, die in der
+ Standard-Apache-Distribution verfügbar sind. Sie sind in
+ einem einheitlichen Format beschrieben. Ein Glossar
+ erläutert die in der Beschreibung verwendeten Begriffe.
+
+ Außerdem existiert eine Kurzreferenz der Direktiven, welche
+ zu jeder Direktive eine Zusammenfassung der Details enthält.
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Kommentare
This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our mailing lists.mod_status
shows how many connections are
in the mentioned states.
The improved connection handling does not yet work for certain
- connection filters, in particular SSL. For SSL connections, this MPM will
- fall back to the behaviour of the worker
MPM and
- reserve one worker thread per connection.
The improved connection handling may not work for certain connection
+ filters that have declared themselves as incompatible with event. In these
+ cases, this MPM will fall back to the behaviour of the
+ worker
MPM and reserve one worker thread per connection.
+ All modules shipped with the server are compatible with the event MPM.
A similar restriction is currently present for requests involving an + output filter that needs to read and/or modify the whole response body, + like for example mod_ssl, mod_deflate, or mod_include. If the + connection to the client blocks while the filter is processing the + data, and the amount of data produced by the filter is too big to be + buffered in memory, the thread used for the request is not freed while + httpd waits until the pending data is sent to the client.
The MPM assumes that the underlying apr_pollset
implementation is reasonably threadsafe. This enables the MPM to
@@ -150,10 +159,10 @@ of consuming threads only for connections with active processing
The event MPM handles some connections in an asynchronous way, where request worker threads are only allocated for short periods of time as - needed, and other (mostly SSL) connections with one request worker thread - reserved per connection. This can lead to situations where all workers are - tied up and no worker thread is available to handle new work on established - async connections.
+ needed, and other connections with one request worker thread reserved per + connection. This can lead to situations where all workers are tied up and + no worker thread is available to handle new work on established async + connections.To mitigate this problem, the event MPM does two things: Firstly, it limits the number of connections accepted per process, depending on the diff --git a/docs/manual/mod/event.html.fr b/docs/manual/mod/event.html.fr index 9fcc55fdef..dff9a65d82 100644 --- a/docs/manual/mod/event.html.fr +++ b/docs/manual/mod/event.html.fr @@ -27,6 +27,8 @@
+Description: | Une variante du MPM worker conçue pour ne
mobiliser des threads que pour les connexions en cours de traitement |
---|---|
Statut: | MPM |