[trafficserver] branch master updated: Document hostdb.fail.timeout

[ja...@apache.org]

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jacksontj pushed a commit to branch master
in repository https://git-dual.apache.org/repos/asf/trafficserver.git

The following commit(s) were added to refs/heads/master by this push:
       new  fcb9895   Document hostdb.fail.timeout
fcb9895 is described below

commit fcb989530cd3dc03677c9bfd4384b1f606d905c2
Author: Thomas Jackson <ja...@gmail.com>
AuthorDate: Mon Jul 18 15:40:40 2016 -0700

    Document hostdb.fail.timeout
    
    Configuration option that controls how long a "failed" DNS response is considered valid for.
---
 doc/admin-guide/files/records.config.en.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/admin-guide/files/records.config.en.rst b/doc/admin-guide/files/records.config.en.rst
index fb564c7..d622829 100644
--- a/doc/admin-guide/files/records.config.en.rst
+++ b/doc/admin-guide/files/records.config.en.rst
@@ -2398,6 +2398,15 @@ HostDB
 
    See :ref:`admin-performance-timeouts` for more discussion on |TS| timeouts.
 
+.. ts:cv:: CONFIG proxy.config.hostdb.fail.timeout INT 0
+
+   Time to live value for "failed" hostdb lookups.
+
+.. note::
+   HostDB considers any response that does not contain a response to
+   the query a failure. This means "failure" responses (such as SOA) are
+   subject to this timeout
+
 .. ts:cv:: CONFIG proxy.config.hostdb.strict_round_robin INT 0
    :reloadable:
 

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