HP Cache Server Appliance Administrator Guide

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Appendix D Configuration Files
proxy.config.dns.url_expansions
STRING
NULL Specifies a list of hostname extensions that
are automatically added to the hostname after
a failed lookup. For example, if you want
Traffic Server to add the hostname extension
.org,specifyorg as the value for this
variable (Traffic Server automatically adds
the dot (.).
NOTE: If the variable
proxy.config.
http.enable_url_expandomatic
is set
to 1 (the default value), you do not have to
add
www. and .com to this list; Traffic Server
tries
www. and .com automatically after
trying the values you specify.
HostDB
proxy.config.hostdb.size
INT
200000 Specifies the maximum number of entries
allowed in the host database.
proxy.config.hostdb.ttl_mode
INT
0 Specifiesthehostdatabasetimetolivemode.
You can specify one of the following:
• 0 = obey
• 1 = ignore
• 2 = min(X,ttl)
• 3 = max(X,ttl)
proxy.config.hostdb.timeout
INT
1440 Specifies the foreground timeout, in seconds.
proxy.config.hostdb.strict_round_robin
INT
0 When disabled (0), Traffic Server always uses
thesameoriginserverforthesameclientas
long as the origin server is available.
Logging Config
proxy.config.log2.logging_enabled
INT
3 Enables and disables event logging:
• 0 = logging disabled
• 1 = log errors only
• 2 = log transactions only
• 3 = full logging (errors + transactions)
Refer to Chapter 12‚ Working with Log Files.
proxy.config.log2.max_secs_per_buffer
INT
5 Specifies the maximum amount of time
before data in the buffer is flushed to disk.
proxy.config.log2.max_space_mb_for_
logs
INT
100 Specifies the amount of space allocated to the
logging directory in MB.
proxy.config.log2.max_space_mb_for_
orphan_logs
INT
25 Specifies the amount of space allocated to the
logging directory in MB if this node is acting
as a collation client.
Configuration Variable
Data Type
Default Value Description