Description
The DNS_CACHE_TIMEOUT option specifies the length of time (in seconds) to retain a resolved host name in DNS memory cache.
The DNS cache provides a performance enhancement in environments where the DNS system is slow to respond.
Usage
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Syntax |
IBM i |
HP NonStop |
UNIX |
Windows |
z/OS |
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Command Line, Short Form |
n/a |
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Command Line, Long Form |
n/a |
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Configuration File Keyword |
dns_cache_timeout seconds |
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Value
seconds is the number of seconds to retain the host name in memory cache.
A value of 0 disables caching of host entries.
Default is 360.