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authorRalf S. Engelschall <rse@apache.org>1998-10-23 09:43:09 +0200
committerRalf S. Engelschall <rse@apache.org>1998-10-23 09:43:09 +0200
commitf939bad5e224d4174761a45c46391040063af97b (patch)
tree369a4cece098b1a668b694864153ed9217969635 /docs/manual/platform/perf-hp.html
parent Fix some broken HTML, and note that the "-k option" stuff is (diff)
downloadapache2-f939bad5e224d4174761a45c46391040063af97b.tar.xz
apache2-f939bad5e224d4174761a45c46391040063af97b.zip
Add hint to HP performance tuning document on authors request.
Submitted by: rick jones <raj@cup.hp.com> PR: 3214 git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@82302 13f79535-47bb-0310-9956-ffa450edef68
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diff --git a/docs/manual/platform/perf-hp.html b/docs/manual/platform/perf-hp.html
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@@ -44,6 +44,10 @@ default is 256 buckets and must be set to a power of two. This is
accomplished with adb against the *disc* image of the kernel. The
variable name is tcp_hash_size.
+Notice that it's critically important that you use "W" to write a 32 bit
+quantity, not "w" to write a 16 bit value when patching the disc image because
+the tcp_hash_size variable is a 32 bit quantity.
+
<P>
How to pick the value? Examine the output of