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author | Tony Stevenson <pctony@apache.org> | 2007-08-24 02:42:35 +0200 |
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committer | Tony Stevenson <pctony@apache.org> | 2007-08-24 02:42:35 +0200 |
commit | bb11c3b202b7336ccef3b4e4417fd60823d00fad (patch) | |
tree | 4b6daed9a625bff7a15c9716a74abb2e50843d92 /docs/manual/caching.xml | |
parent | Add auth modules to the schema (diff) | |
download | apache2-bb11c3b202b7336ccef3b4e4417fd60823d00fad.tar.xz apache2-bb11c3b202b7336ccef3b4e4417fd60823d00fad.zip |
Updated as per Igor Galić (a.k.a. #Apache jmcg) docs@ email.
nobomb set in Cream/WinVim
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@569202 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
-rw-r--r-- | docs/manual/caching.xml | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/docs/manual/caching.xml b/docs/manual/caching.xml index 1348ffacf2..c88c8aaa2b 100644 --- a/docs/manual/caching.xml +++ b/docs/manual/caching.xml @@ -624,14 +624,14 @@ CacheDirLength 1</pre> <title>Understanding the Cache-Store</title> <p>To store items in the cache, <module>mod_disk_cache</module> creates - a 22 character hash of the url being requested. Thie hash incorporates + a 22 character hash of the URL being requested. This hash incorporates the hostname, protocol, port, path and any CGI arguments to the URL, to ensure that multiple URLs do not collide.</p> <p>Each character may be any one of 64-different characters, which mean that overall there are 22^64 possible hashes. For example, a URL might be hashed to <code>xyTGxSMO2b68mBCykqkp1w</code>. This hash is used - as a prefix for the naming of the files specific to that url within + as a prefix for the naming of the files specific to that URL within the cache, however first it is split up into directories as per the <directive module="mod_disk_cache">CacheDirLevels</directive> and <directive module="mod_disk_cache">CacheDirLength</directive> @@ -662,15 +662,15 @@ CacheDirLength 1</pre> With the setting of "2" used in the above example, a grand total of 4096 subdirectories can ultimately be created. With 1 million files cached, this works out at roughly 245 cached - urls per directory.</p> + URLs per directory.</p> - <p>Each url uses at least two files in the cache-store. Typically + <p>Each URL uses at least two files in the cache-store. Typically there is a ".header" file, which includes meta-information about - the url, such as when it is due to expire and a ".data" file + the URL, such as when it is due to expire and a ".data" file which is a verbatim copy of the content to be served.</p> <p>In the case of a content negotiated via the "Vary" header, a - ".vary" directory will be created for the url in question. This + ".vary" directory will be created for the URL in question. This directory will have multiple ".data" files corresponding to the differently negotiated content.</p> </section> |