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Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Analysis of Operational Data and Detection od Anomalies during Supercomputer Job Execution
 Stehlík, Petr ; Nikl, Vojtěch (oponent) ; Jaroš, Jiří (vedoucí práce)
Using the full potential of an HPC system can be difficult when such systems reach the exascale size. This problem is increased by the lack of monitoring tools tailored specifically for users of these systems. This thesis discusses the analysis and visualization of operational data gathered by Examon framework of a high-performance computing system. By applying various data mining techniques on the data, deep knowledge of data can be acquired. To fully utilize the acquired knowledge a tool with a soft-computing approach called Examon Web was made. This tool is able to detect anomalies and unwanted behaviour of submitted jobs on a monitored HPC system and inform the users about such behaviour via a simple to use web-based interface. It also makes available the operational data of the system in a visual, easy to use, manner using different views on the available data. Examon Web is an extension layer above the Examon framework which provides various fine-grain operational data of an HPC system. The resulting soft-computing tool is capable of classifying a job with 84 % success rate and currently, no similar tools are being developed. The Examon Web is developed using Angular for front-end and Python, accompanied by various libraries, for the back-end with the usage of IoT technologies for live data retrieval.
Úplný záznam
Analysis of Operational Data and Detection od Anomalies during Supercomputer Job Execution
 Stehlík, Petr ; Nikl, Vojtěch (oponent) ; Jaroš, Jiří (vedoucí práce)
Using the full potential of an HPC system can be difficult when such systems reach the exascale size. This problem is increased by the lack of monitoring tools tailored specifically for users of these systems. This thesis discusses the analysis and visualization of operational data gathered by Examon framework of a high-performance computing system. By applying various data mining techniques on the data, deep knowledge of data can be acquired. To fully utilize the acquired knowledge a tool with a soft-computing approach called Examon Web was made. This tool is able to detect anomalies and unwanted behaviour of submitted jobs on a monitored HPC system and inform the users about such behaviour via a simple to use web-based interface. It also makes available the operational data of the system in a visual, easy to use, manner using different views on the available data. Examon Web is an extension layer above the Examon framework which provides various fine-grain operational data of an HPC system. The resulting soft-computing tool is capable of classifying a job with 84 % success rate and currently, no similar tools are being developed. The Examon Web is developed using Angular for front-end and Python, accompanied by various libraries, for the back-end with the usage of IoT technologies for live data retrieval.
Úplný záznam

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