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• Use ARM of file-based collection. You must decide what mode of collection to use. See About guidelines for the technical design of an Add-on AppTier on page 18 for more information.
• Design the Collector file. Whether you use ARM (Application Response Measurement) or file-based collection, the Collector XML file becomes the vehicle by which the Add-on AppTier or Insight SDK Collector provides data for Precise installation.
  Insight must know how to correctly read and parse the Collector file before it is loaded into the PMDB.

About guidelines for the technical design of an Add-on AppTier

The following are guidelines you should follow for the technical design:

• ARM collection mode. ARM (Application Response Measurement) is an industry standard that is growing in popularity.
  Implementing the ARM standard in the monitored application will open up the monitored application to all monitoring and tuning tools that support this standard. It also allows the tools to probe the monitored application and display performance calculations and perform application analysis.
  Using the ARM standard API solution involves code instrumentation. This is possible only if the Add-on AppTier developer has access to the source code for the monitored application. For example, the Generic Mail Server vendor can implement the ARM standard API by incrementing the application's code.
  Using the ARM standard API, the Insight SDK Collector creates a Collector XML file (a complex process) and aggregates the information after every time slice (every 15 minutes).
  Currently you can implement the ARM standard API for an Add-on AppTier using C language only.
  For more details regarding the ARM standard, refer to http://www.opengroup.org/management/arm/.
• File collection mode. In the file collection mode, the task of developing the Add-on AppTier Collector rests on the shoulders of the Add-on AppTier developer.
  The Add-on AppTier developer can monitor the application and collect performance data any way that suits his needs. He is not limited by restrictions, such as: API standards, language support, platform support, and so on.
  The Add-on AppTier Collector must create Collector XML files using Precise format and file naming conventions.
  See About ETD file application-level entities on page 30 for more information.
  The Add-on AppTier Collector aggregates performance measurement into 15-minute time slices that are then written into separate Collector files.
• Entity and counter technical attributes. There are two technical attributes to consider:
  • Database column name. This is the name of the database column in the PMDB that stores entity or counter values.
  • XML tag name in the Collector file. This is the name of the XML tag in the Add-on AppTier or Insight SDK Collector file that holds values for the entity or counter.

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• Functional and technical specifications for the Add-on AppTier
• Add-on AppTier installation package specifications, as described in see Add-on AppTier installation package descriptor file on page 27.
• Insight and Report Manager FocalPoints installed

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• Plug-in the Add-on AppTier package. Plug-in the Add-on AppTier installation package using AdminPoint. This will test whether the installation package is correct and complete. See About installing the Add-on AppTier plug-in installation package on page 21 for more information.
• Manually create a Collector file and load it to the PMDB. After plugging-in the Add-on AppTier installation package has finished, you need to wait until data is loaded into the PMDB before any information displays through Insight or Report Manager.
  Consequently for testing, you must supply an Add-on AppTier Collector XML file with a sample file. In most cases, a Collector XML file will not exist until you develop the Add-on AppTier Collector. Manually create the Collector XML file according to the XML tag names specified in the Add-on AppTier installation package, and according to file name conventions. See About the XML Collector file on page 44 for file name conventions.
  After your Collector XML file is successfully loaded into the PMDB, and Insight and Report Manager display the correct information, the sample Collector file can be used as a reference for the following phases in developing the Add-on AppTier or Insight SDK Collector.

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The following information must be sent to the research and development team:

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Email the required information to: dl-rnddevelopment-tpmteamleaders@precise.com

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