FIX: A BizTalk host instance consumes lots of memory and processes messages very slowly when BizTalk Server 2009 receives lots of HL7 messages

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Article ID: 970492 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • On a computer that is running Microsoft BizTalk Server 2009, you have Microsoft BizTalk 2009 Accelerator for HL7 installed.
  • You create and deploy a BizTalk Server 2009 application to receive and process HL7 messages.
  • BizTalk Server 2009 receives lots of messages of reasonable size. For example, you receive thousands of messages, each with the size of 7 kilobytes.
In this scenario, the memory usage of the BizTalk Server Host Instance increases significantly. This behavior causes host throttling, and slows down the processing of messages.

CAUSE

This problem occurs because of an error in the pipeline component of BizTalk 2009 Accelerator for HL7.

RESOLUTION

After you apply this hotfix, BizTalk Server 2009 processes HL7 messages more quickly.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Microsoft BizTalk Server 2009 and Microsoft BizTalk 2009 Accelerator for HL7 installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix. However, you must restart the BizTalk host instance after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

Installation instructions

This hotfix package includes two parts. To install this hotfix, follow these steps:

1. Run the setup.exe file from the Part1_970492_ENU package.
2. Run the setup.exe file from the Part2_970492_ENU package.
3. Restart the BizTalk host instance.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Part1_970492_ENU
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Microsoft.solutions.btahl7.auditinglogging.hatplugin.dll3.7.329.017,32815-Apr-200906:57x86
Microsoft.solutions.btahl7.hl72fasm.dll3.7.502.259,27215-Apr-200906:57x86
Microsoft.solutions.btahl7.hl72fdasm.dll3.7.502.296,13615-Apr-200906:57x86
Microsoft.solutions.btahl7.hl7wizard.dll3.7.329.059,27215-Apr-200906:57x86
Microsoft.solutions.btahl7.pipelinemessagecore.dll3.7.502.283,87215-Apr-200906:57x86
Part2_970492_ENU
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Microsoft.solutions.btahl7.auditinglogging.hatplugin.dll3.7.329.017,32815-Apr-200907:00x86
Microsoft.solutions.btahl7.hl72xmldasm.dll3.7.502.259,28015-Apr-200907:00x86
Microsoft.solutions.btahl7.hl7wizard.dll3.7.329.059,27215-Apr-200907:00x86
Note Because of file dependencies, the most recent hotfix that contains these files may also contain additionalfiles.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about how BizTalk Server implements host throttling, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/aa559893%28BTS.10%29.aspx
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 970492 - Last Review: September 2, 2009 - Revision: 1.3
APPLIES TO
  • Microsoft BizTalk Server 2009 Branch
  • Microsoft BizTalk Server 2009 Developer
  • Microsoft BizTalk Server 2009 Enterprise
  • Microsoft BizTalk Server 2009 Standard
  • Microsoft BizTalk Accelerator for HL7 1.0 Enterprise Edition
Keywords: 
kbbtsaccelerators kbautohotfix kbexpertiseinter kbfix kbhotfixserver kbqfe KB970492

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