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Using ecflowview, you click on the manual, script, output or job buttons. If you configured your ecflowview to retrieve files locally (Edit/preferences/SMS) ecflowview first looks if the required file is directly accessible. If not, it looks into the suite definition for the variables ECF_LOGHOST and ECF_LOGPORT to retrieve the file from the ecFlow log server. If the log server does not respond it contacts the ecFlow server and retrieves the file from it. This consumes available resources for the ecFlow server, so the log server is useful in reducing ecFlow server load when many users try to get large output files.
Figure 7 2. Accessing job output, using ecflowview.
The log server consists in a Perl script logsvr.pl launched by a shell script. These are available in the ecFlow distribution. The log server uses three variables set by the shell script:
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