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authorScott Ullrich <sullrich@pfsense.org>2006-09-30 00:58:24 +0000
committerScott Ullrich <sullrich@pfsense.org>2006-09-30 00:58:24 +0000
commita6f53d152a15265d14c44e3e0ec0d5306c2e8487 (patch)
tree0cf546ff62aacad1771e5ca9af92de6587bfa1b6 /packages/squid_cache.xml
parent9e3f9ce5589ad761d22239d3f0a40ca928d1aaaa (diff)
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Diffstat (limited to 'packages/squid_cache.xml')
-rw-r--r--packages/squid_cache.xml2
1 files changed, 1 insertions, 1 deletions
diff --git a/packages/squid_cache.xml b/packages/squid_cache.xml
index 4e1a5f5d..05f56c45 100644
--- a/packages/squid_cache.xml
+++ b/packages/squid_cache.xml
@@ -86,7 +86,7 @@
<field>
<fielddescr>Memory replacement policy</fielddescr>
<fieldname>memory_replacement</fieldname>
- <description>The memory replacement policy determines which objects are purged from memory when space is needed. The default policy for memory replacement is GDSF. &lt;p&gt; &lt;b&gt; LRU: Last Recently Used Policy &lt;/b&gt; - The LRU policies keep recently referenced objects. i.e., it replaces the object that has not been accessed for the longest time. &lt;p&gt; &lt;b&gt; Heap GDSF: Greedy-Dual Size Frequency &lt;/b&gt; - The Heap GDSF policy optimizes object-hit rate by keeping smaller, popular objects in cache. It achieves a lower byte hit rate than LFUDA though, since it evicts larger (possibly popular) objects. &lt;p&gt; &lt;b&gt; Heap LFUDA: Least Frequently Used with Dynamic Aging &lt;/b&gt; - The Heap LFUDA policy keeps popular objects in cache regardless of their size and thus optimizes byte hit rate at the expense of hit rate since one large, popular object will prevent many smaller, slightly less popular objects from being cached. &lt;p&gt; &lt;b&gt; Heap LRU: Last Recently Used &lt;/b&gt; - Works like LRU, but uses a heap instead. &lt;p&gt; Note: If using the LFUDA replacement policy, the value of Maximum Object Size should be increased above its default of 4096 KB to maximuze the potential byte hit rate improvement of LFUDA.</description>
+ <description>The memory replacement policy determines which objects are purged from memory when space is needed. The default policy for memory replacement is GDSF. &lt;p&gt; &lt;b&gt; LRU: Last Recently Used Policy &lt;/b&gt; - The LRU policies keep recently referenced objects. i.e., it replaces the object that has not been accessed for the longest time. &lt;p&gt; &lt;b&gt; Heap GDSF: Greedy-Dual Size Frequency &lt;/b&gt; - The Heap GDSF policy optimizes object-hit rate by keeping smaller, popular objects in cache. It achieves a lower byte hit rate than LFUDA though, since it evicts larger (possibly popular) objects. &lt;p&gt; &lt;b&gt; Heap LFUDA: Least Frequently Used with Dynamic Aging &lt;/b&gt; - The Heap LFUDA policy keeps popular objects in cache regardless of their size and thus optimizes byte hit rate at the expense of hit rate since one large, popular object will prevent many smaller, slightly less popular objects from being cached. &lt;p&gt; &lt;b&gt; Heap LRU: Last Recently Used &lt;/b&gt; - Works like LRU, but uses a heap instead. &lt;p&gt; Note: If using the LFUDA replacement policy, the value of Maximum Object Size should be increased above its default of 12KB to maximuze the potential byte hit rate improvement of LFUDA.</description>
<default_value>heap GDSF</default_value>
<type>select</type>
<options>