git commit: TS-498 Document dedicate DNS thread configuration

[zw...@apache.org]

Updated Branches:
  refs/heads/master d3917df32 -> 194d2454d


TS-498 Document dedicate DNS thread configuration


Project: http://git-wip-us.apache.org/repos/asf/trafficserver/repo
Commit: http://git-wip-us.apache.org/repos/asf/trafficserver/commit/194d2454
Tree: http://git-wip-us.apache.org/repos/asf/trafficserver/tree/194d2454
Diff: http://git-wip-us.apache.org/repos/asf/trafficserver/diff/194d2454

Branch: refs/heads/master
Commit: 194d2454dbf6328920c266f46f4012939350263d
Parents: d3917df
Author: Leif Hedstrom <zw...@apache.org>
Authored: Thu Sep 5 22:04:40 2013 -0600
Committer: Leif Hedstrom <zw...@apache.org>
Committed: Thu Sep 5 22:04:40 2013 -0600

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 doc/reference/configuration/records.config.en.rst | 8 ++++++++
 1 file changed, 8 insertions(+)
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http://git-wip-us.apache.org/repos/asf/trafficserver/blob/194d2454/doc/reference/configuration/records.config.en.rst
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diff --git a/doc/reference/configuration/records.config.en.rst b/doc/reference/configuration/records.config.en.rst
index 83e8bd4..ae0c2d2 100644
--- a/doc/reference/configuration/records.config.en.rst
+++ b/doc/reference/configuration/records.config.en.rst
@@ -1243,6 +1243,14 @@ hostname to ``host_x.y.com``.
 
    Indicates whether to use SRV records for orgin server lookup.
 
+.. ts:cv:: CONFIG proxy.config.dns.dedicated_thread INT 0
+
+   Create and dedicate a thread entirely for DNS processing. This is probably
+   most useful on system which do a significant number of DNS lookups,
+   typically forward proxies. But even on other systems, it can avoid some
+   contention on the first worker thread (which otherwise takes on the burden of
+   all DNS lookups).
+
 HostDB
 ======