Lesson plan
RRDtool
RRDtool (round-robin database tool) is a data logging and graphing system for time series data such as network bandwidth, temperatures, and CPU load. The data is stored in a circular buffer-based database, thus the system storage footprint remains constant over time. It also includes tools to extract round-robin data in a graphical format, for which it was originally intended. Bindings exist for several programming languages, including Perl, Python, Ruby, Tcl, PHP and Lua. There is an independent full Java implementation called rrd4j.
Article summary
RRDtool (round-robin database tool) is a data logging and graphing system for time series data such as network bandwidth, temperatures, and CPU load. The data is stored in a circular buffer-based database, thus the system storage footprint remains constant over time. It also includes tools to extract round-robin data in a graphical format, for which it was originally intended. Bindings exist for several programming languages, including Perl, Python, Ruby, Tcl, PHP and Lua. There is an independent full Java implementation called rrd4j.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.