HPC performance monitoring tool on MARCONI cluster

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An HPC performance monitoring tool is available on MARCONI cluster and is at present in pre-production phase. This is based on a software daemon (hpcmd) that manages to run and query for each detected running job some standard Linux command line tools (perf, ps), virtual file system files (as /proc/loadavg) and other proprietary tools (mmpmon, opainfo) at regular intervals (epochs) to obtain related metrics. The hpcmd daemon is extremely lightweight and operates in the background, being invisible to the user. Data generated by the hpcmd tool is written into syslog records that are collected via rsyslog and stored in a database for subsequent analysis and visualization. User’s Jobs collected data can be visualized (after about 4 hours since the data generation) through a web interface only.

The aim of this session is to present the tool to EUROfusion users on Marconi cluster, by focusing mainly on the presentation of the web interface where users can visualize data collected for their executed jobs on the cluster.

Intended for: 
Research Institutions
Universities
Area: 
Techniques
Length: 
1 dd
Provided as: 
Webinar

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Today it is the largest Italian computing centre, one of the most important worldwide. With more seven hundred employees, it operates in the technological transfer sector through high performance scientific computing, the management and development of networks and web based services, and the development of complex information systems for treating large amounts of data.

It develops advanced Information Technology applications and services, acting like a trait-d'union between the academic world, the sphere of pure research and the world of industry and Public Administration. .

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