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POSuitability of Amazon SimpleDB for large temporal data sets eminating from thousands of separate devices
 

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  1. POSuitability of Amazon SimpleDB for large temporal data sets eminating from thousands of separate devices
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    <p>I'm trying to establish whether Amazon <a href="http://en.wikipedia.org/wiki/Amazon_SimpleDB" rel="nofollow noreferrer">SimpleDB</a> is suitable for a subset of data I have.</p> <p>I have thousands of deployed autonomous sensor devices recording data.</p> <p>Each sensor device essentially reports a couple of values four times an hour each day, over months and years. I need to keep all of this data for historic statistical analysis. Generally, it is write once, read many times. Server-based applications run regularly to query the data to infer other information.</p> <p>The rows of data today, in SQL look something like this:</p> <ul> <li>(id, device_id, utc_timestamp, value1, value2)</li> </ul> <p>Our existing MySQL solution is not going to scale up much further, with tens of millions of rows. We query things like "<em>tell me the sum of all the value1 yesterday</em>" or "<em>show me the average of value2 in the last 8 hours</em>". We do this in SQL but can happily change to doing it in code. SimpleDBs "eventual consistency" appears fine for our puposes.</p> <p>I'm reading up all I can and am about to start experimenting with our <a href="http://en.wikipedia.org/wiki/Amazon_Web_Services" rel="nofollow noreferrer">AWS</a> account, but it's not clear to me how the various SimpleDB concepts (items, domains, attributes, etc.) relate to our domain.</p> <p>Is SimpleDB an appropriate vehicle for this and what would a generalised approach be?</p> <p>PS: We mostly use Python, but this shouldn't matter when considering this at a high level. I'm aware of the <a href="http://code.google.com/p/boto/" rel="nofollow noreferrer">boto</a> library at this point.</p> <p>Edit:</p> <p>Continuing to search on solutions for this I did come across Stack Overflow question <em><a href="https://stackoverflow.com/questions/1334813">What is the best open source solution for storing time series data?</a></em> which was useful.</p>
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    1. COI haven't marked an answer as accepted yet as I've still not entirely got my head round this yet and I'm investigating a slightly different angle on this.
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