An ADM template file for tuning Citrix zone data collectors

There are several registry settings that you can use to tweak the performance of the data collectors in your Citrix Presentation Server farm. Here is an ADM template you can use to control this via group policy objects.

There are several registry settings that you can use to tweak the performance of the data collectors in your Citrix Presentation Server farm. Here is an ADM template you can use to control this via group policy objects.

CLASS MACHINE
CATEGORY "System"
CATEGORY "Citrix data collector tuning"

POLICY "Zone cache entries"
KEYNAME "SOFTWARE\Citrix\IMA\RUNTIME"
EXPLAIN "This setting controls how many open connections to member servers a data collector can have at one time. Minimum 512, maximum 1.5 size of farm size. If the farm size is less then 512, then 512 is the only value accepted for this setting."
PART "Zone cache entries" NUMERIC
VALUENAME "MaxHostAddressCacheEntries"
DEFAULT "512"
MIN "512"
END PART
END POLICY

POLICY "Gateway validation interval"
KEYNAME "SOFTWARE\Citrix\IMA\RUNTIME"
EXPLAIN "This setting controls how often IMA verifies Gateway Information. Minimum 30000, maximum 300000"
PART "Gateway validation interval" NUMERIC
VALUENAME "GatewayValidationInterval"
DEFAULT "30000"
MIN "30000"
MAX "300000"
END PART
END POLICY

POLICY "IMA worker thread"
KEYNAME "SOFTWARE\Citrix\IMA"
EXPLAIN "This setting increases IMA processing bandwidth by increasing the amount of worker threads available to the data collector. Minimum 128, maximum 1024."
PART "IMA worker thread" NUMERIC
VALUENAME "WorkQueueThreadCount"
DEFAULT "128"
MIN "128"
MAX "1024"
END PART
END POLICY

POLICY "IMA event time out"
KEYNAME "SOFTWARE\Citrix\IMA"
EXPLAIN "This setting shortens the timeout of stale events. Minimum 20000, maximum 120000."
PART "Event time out" NUMERIC
VALUENAME "EventTimeout"
DEFAULT "2000"
MIN "2000"
MAX "120000"
END PART
END POLICY

END CATEGORY
END CATEGORY

Small note: The Event Timeout information on the Citrx Automatic Farm Tuner page states that the minimum value is 20000, however, in the tool itself and in the Advanced Concepts, the minimum is 2000.

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great article Brian!!
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ORIGINAL: SANCHITO75

great article Brian!!

 
Author Information
Tom de Vreede (more from this author)
Yuri Haak (more from this author)

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I think the title should be "tuning Citrix zone data collectors" instead of "tuing"

Regards, Kim Hulst
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Good info, but you should also inform people that they shouldn't mess with this stuff unless they know what they are doing.
 
Tuning the DC's in a large environment is good, but can have adverse effects if you do it incorrectly.
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Correct. This was originally posted on my own website with an article about the Automatic Farm Tuner, which gave a bit more insight into the tuning thing. When it was mailed to Brian, it was split in two parts. See [link=http: Still no really clear warning though, next time I'll do that.
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This is my fault.. I'll make this more clear.
Brian
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This is an old post but someone referenced it in the context of the latest XenApp versions so I want to add this update in case anyone else has this info bookmarked. Hotfix Rollup Pack 3 for XenApp 5 for Windows Server 2003 and Presentation Server 4.5 deprecates the Automatic Farm Tuner utility.


support.citrix.com/.../CTX118658


support.citrix.com/.../CTX118659


Thanks!


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