<p>To store items in the cache, <code class="module"><a href="./mod/mod_disk_cache.html">mod_disk_cache</a></code> 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 <code class="directive"><a href="./mod/mod_disk_cache.html#cachedirlevels">CacheDirLevels</a></code> and
<code class="directive"><a href="./mod/mod_disk_cache.html#cachedirlength">CacheDirLength</a></code>
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>
<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>
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>