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cache-parameter
The following operations can be performed on “cache-parameter”:
unset | set | show |
unset cache parameter
Use this command to remove cache parameter settings.Refer to the set cache parameter command for meanings of the arguments.
Synopsis
unset cache parameter [-memLimit] [-via] [-verifyUsing] [-maxPostLen] [-prefetchMaxPending] [-enableBypass] [-undefAction] [-enableHaObjPersist]
set cache parameter
Modifies the global configuration of the integrated cache. You can modify the settings of various parameters.
Synopsis
set cache parameter [-memLimit
Arguments
memLimit Amount of memory available for storing the cache objects. In practice, the amount of memory available for caching can be less than half the total memory of the Citrix ADC.
via String to include in the Via header. A Via header is inserted into all responses served from a content group if its Insert Via flag is set.
verifyUsing Criteria for deciding whether a cached object can be served for an incoming HTTP request. Available settings function as follows: HOSTNAME - The URL, host name, and host port values in the incoming HTTP request header must match the cache policy. The IP address and the TCP port of the destination host are not evaluated. Do not use the HOSTNAME setting unless you are certain that no rogue client can access a rogue server through the cache. HOSTNAME_AND_IP - The URL, host name, host port in the incoming HTTP request header, and the IP address and TCP port of the destination server, must match the cache policy. DNS - The URL, host name and host port in the incoming HTTP request, and the TCP port must match the cache policy. The host name is used for DNS lookup of the destination server’s IP address, and is compared with the set of addresses returned by the DNS lookup.
Possible values: HOSTNAME, HOSTNAME_AND_IP, DNS
maxPostLen Maximum number of POST body bytes to consider when evaluating parameters for a content group for which you have configured hit parameters and invalidation parameters. Default value: 4096 Minimum value: 0 Maximum value: 131072
prefetchMaxPending Maximum number of outstanding prefetches in the Integrated Cache. Minimum value: 0
enableBypass Evaluate the request-time policies before attempting hit selection. If set to NO, an incoming request for which a matching object is found in cache storage results in a response regardless of the policy configuration. If the request matches a policy with a NOCACHE action, the request bypasses all cache processing. This parameter does not affect processing of requests that match any invalidation policy.
Possible values: YES, NO
undefAction Action to take when a policy cannot be evaluated.
Possible values: NOCACHE, RESET
enableHaObjPersist The HA object persisting parameter. When this value is set to YES, cache objects can be synced to Secondary in a HA deployment. If set to NO, objects will never be synced to Secondary node.
Possible values: YES, NO Default value: NO
show cache parameter
Displays the global configuration of the Integrated Cache.
Synopsis
show cache parameter
Arguments
Output
diskLimit The disk limit for the Integrated Cache.
maxDiskLimit The maximum value of the memory limit for the Integrated Cache.
memLimit The memory limit for the Integrated Cache.
memLimitActive Active value of the memory limit for the Integrated Cache.
maxMemLimit The maximum value of the memory limit for the Integrated Cache.
via The string that is inserted in the “Via” header.
verifyUsing The criteria for deciding whether a cached object can be served for an incoming HTTP request.
maxPostLen The maximum POST body size that the IC can accumulate.
prefetchCur Number of current outstanding prefetches in the IC.
prefetchMaxPending The maximum number of outstanding prefetches on the content group.
enableBypass When this value is set to NO, an incoming request will serve a hit if a matching object is found in cache storage, regardless of the cacheability policy configuration. If set to YES, the bound request cacheability policies are evaluated before attempting any hit selection in the cache storage. If the request matches a policy with a NOCACHE action, the request will bypass all cache processing. This flag does not affect processing of requests that match any invalidation policy.
undefAction Action to take when a policy cannot be evaluated.
enableHaObjPersist The HA object persisting parameter. When this value is set to YES, cache objects can be synced to Secondary in a HA deployment. If set to NO, objects will never be syned to Secondary node.
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