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@ -84,6 +84,6 @@ Monitoring the performance of a BOINC project
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Tools for monitoring the system as a whole.
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</font>
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<ul>
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<li> <a href=stripchart.txt>Stripcharts: a tool for viewing time-varying data </a>
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<li> <a href=stripchart.html>Stripcharts: a tool for viewing time-varying data </a>
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<li> <a href=stripchart_data.html>Recording data for Stripcharts</a>
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</ul>
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@ -5,7 +5,7 @@
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<p>
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The BOINC storage model is based on <b>files</b>.
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The inputs and outputs of applications,
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and the applications executables, are files.
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and the application executables, are files.
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<p>
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The BOINC core client transfers files to and from <b>data servers</b>
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operated by the project, using HTTP.
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@ -14,33 +14,32 @@ The attributes of a workunit include:
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<li> The estimated resource requirements of the work unit
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(computation, memory, disk space).
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<li> A <b>delay bound</b>: upper bound on how long
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an instance of this work unit should take to complete.
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This limits what hosts the workunit is sent to,
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a result associated with this work unit should take to complete.
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This determines which hosts the workunit can be sent to,
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and it's used to assign result deadlines and
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times for retrying results.
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</ul>
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<p>
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The inputs to a workunit are described by an XML document of the form
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<pre>
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[ <file_info>...</file_info> ]
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[ <file_info>...</file_info> ]
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[ ... ]
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<workunit>
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<app_name>blah</app_name>
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[ <command_line>-flags xyz</command_line> ]
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[ <env_vars>name=val&name=val</env_vars> ]
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[ <file_ref>...</file_ref> ]
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<workunit>
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[ <command_line>-flags xyz</command_line> ]
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[ <env_vars>name=val&name=val</env_vars> ]
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[ <file_ref>...</file_ref> ]
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[ ... ]
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<workunit>
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</workunit>
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</pre>
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The components are:
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<ul>
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<li> The <b><command_line></b> element, if present, is the
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<li> The <b><command_line></b> element, if present, is the
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command-line arguments to be passed to the main program.
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<li> The <b><env_vars></b> element, if present, is a list of
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<li> The <b><env_vars></b> element, if present, is a list of
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environment variables to be passed to the main program.
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<li> Each <b><file_ref></b> element describes a <a
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<li> Each <b><file_ref></b> element describes a <a
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href="files.html">reference</a> to an input file, each of which is
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described by a <b><file_info></b> element.
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described by a <b><file_info></b> element.
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</ul>
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<p>
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A workunit is associated with an application, not with a particular
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6
todo
6
todo
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@ -1,8 +1,14 @@
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<<<<<<< todo
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user PHP session mechanism
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protection mechanism for project admin web
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=======
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use PHP session mechanism instead of our own cookies
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use https for login (don't sent account key or password in clear)
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protect project admin web pages (htaccess)
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>>>>>>> 1.6
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Deadline mechanism for results
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- use in result dispatching
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