From: Jan Kaluža <jkaluza@apache.org>
Date: Tue, 27 May 2014 05:50:54 +0000 (+0000)
Subject: Vote, propose additional PR 50317 (thundering herd) fix.
X-Git-Tag: 2.2.28~86
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65f27cf3c06938281264e4a3e142061e1432b6e7;p=thirdparty%2Fapache%2Fhttpd.git

Vote, propose additional PR 50317 (thundering herd) fix.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1597706 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/STATUS b/STATUS
index 40656060156..088cb367110 100644
--- a/STATUS
+++ b/STATUS
@@ -126,7 +126,7 @@ PATCHES PROPOSED TO BACKPORT FROM TRUNK:
      trunk patch: http://svn.apache.org/viewvc?view=revision&revision=1023398
      2.2.x patch: http://people.apache.org/~covener/patches/httpd-2.2.x-thunder.diff 
          (+ CHANGES)
-     +1: covener
+     +1: covener, jkaluza
 
    * mod_rewrite: Support session cookies with the CO= flag when later parameters
      are used.  The doc for this implied the feature had been backported for
@@ -135,6 +135,16 @@ PATCHES PROPOSED TO BACKPORT FROM TRUNK:
      2.2.x patch: http://people.apache.org/~covener/patches/httpd-2.2.x-rewrite-sessioncookie.diff
      +1 covener
 
+   * mod_cache, mod_disk_cache: Try to use the key of a possible open but
+     stale cache entry if there is one. This fixes problem when two different
+     cache locks have been created for single stale cache entry leading to two
+     requests sent to backend.
+     Remove useless apr_file_remove() before renaming the cache entry in
+     mod_disk_cache. This fixes small time-frame during which stale cache
+     entry can be seen as not-cached.
+     PR 50317
+     2.2.x patch: http://people.apache.org/~jkaluza/patches/httpd-2.2.x-thundering-herd.patch
+
 PATCHES/ISSUES THAT ARE STALLED
 
   * mod_cache: Realign the cache_quick_handler() to behave identically