3.3.2 Information that You Can Collect in Statistics Files
To investigate statistics files, you need to reference them with header files. There is a header file for each J2EE server function whose operating information is collected in a statistics file. Each header file contains the names of information items that are output to a statistics file. As a result, you need to investigate the statistics while mapping the header files with the statistics files.
The following figure shows an example of mapping header files with statistics files:
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![[Figure]](GRAPHICS/ZU030200.GIF)
While investigating statistics files, reference the details such as date described in the first file name, and then select the statistics file to be investigated. Edit the selected statistics file and corresponding header file together in one file, and reference that file in an application program such as Excel. In such cases, Hitachi recommends you to reference the edited file by converting in a graph or table format. When referencing the items describing time in an application program such as Excel, Hitachi recommends the display settings of the cell to be in a format in which time is described. For example, when using Excel, set the display format of the cell as Time.
The header file is created in the following folders when the J2EE server is running:
- In Windows
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Work-directory#\ejb\J2EE-server-name\stats
- In UNIX
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Work-directory#/ejb/J2EE-server-name/stats
- #
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The work-directory indicates a directory specified in the user definition of a J2EE server (ejb.public.directory in the usrconf.cfg file). The default value in Windows is Cosminexus-installation-directory\CC\server\public, and in UNIX the default value is /opt/Cosminexus/CC/server/public.
The configuration files and header files consist of items that are common for all statistics files and individual items. An individual item differs for each target function. For details on the output format and output contents of the statistics file, see 3.3.5 Output Format and Output Contents of Statistics Files.