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admin:group-set-list-cache-partitions

admin:group-set-list-cache-partitions(
   config as element(configuration),
   group-id as xs:unsignedLong,
   value as xs:unsignedInt
) as element(configuration)

Summary

This function changes the list cache partitions setting of the group with the specified ID to the specified value. More partitions allow more concurrency, but make each individual cache partition smaller, which could make it more likely for the cache to fill up. This is a "cold" operation; when you use admin:save-configuration to save the configuration, it will automatically restart MarkLogic Server.

If the Cache Sizing method is set to automatic, enode, or dnode (by means of the admin:group-set-cache-sizing function or the Admin UI), this function sets the list cache partitions for the group configuration, but it is not used until the Cache Sizing method is set to manual. When the Cache Sizing method is automatic, enode or dnode, MarkLogic will set the cache partitions and ignore any manual settings.

Parameters
config A configuration specification, typically as returned from one of the Admin module functions.
group-id The ID of the group. Typically, this is the result of an admin:group-get-id call.
value A new value for the number of cache partitions.

Required Privileges

This operation requires at least one of the following privileges:

http://marklogic.com/xdmp/privileges/admin/group

http://marklogic.com/xdmp/privileges/admin/group/{id}

Usage Notes

The server may use fewer or more partitions than the configured value to keep partition sizes between 2048 and 12288 megabytes.

Example


  xquery version "1.0-ml";

  import module namespace admin = "http://marklogic.com/xdmp/admin"
		  at "/MarkLogic/admin.xqy";

  let $config := admin:get-configuration()
  let $groupid := admin:group-get-id($config, "Default")
  return
  admin:group-set-list-cache-partitions($config, $groupid, 2)

  (: returns the new configuration element -- use admin:save-configuration
     to save the changes to the configuration or pass the configuration
     to other Admin API functions to make other changes.  :)
  

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