Add reference to FIN_WAIT_2 behavior, and pointer to patch.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@77342 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/platform/perf-bsd44.html b/docs/manual/platform/perf-bsd44.html
index cc8eca733c92964b465f86f759a63ce06a79d097..c22c982326cf2ed8ec2df242c57510f51d30c58d 100644 (file)
--- a/docs/manual/platform/perf-bsd44.html
+++ b/docs/manual/platform/perf-bsd44.html
@@ -123,7 +123,12 @@ In many cases, NMBCLUSTERS must be set much larger than would appear
 necessary at first glance. The reason for this is that if the browser
 disconnects in mid-transfer, the socket fd associated with that particular
 connection ends up in the TIME_WAIT state for several minutes, during
-which time its mbufs are not yet freed.
+which time its mbufs are not yet freed. Another reason is that, on server
+timeouts, some connections end up in FIN_WAIT_2 state forever, because
+this state doesn't time out on the server, and the browser never sent
+a final FIN. An example patch for BSDI is available
+<a href="http://www.apache.org/dist/contrib/patches/1.2/fin_wait_2.patch">
+here</a>.
 
 <p>