to developers and organizations – SIRI Vehicle Monitoring • JSON, XML over HTTP – GTFS • ASCII files in ZIP archive, downloadable with browser – GTFS-RT Vehicle Positions • JSON over HTTP and Google Protocol Buffers (binary, downloadable by browser)
to know – How much data our server was delivering to our clients – Which data was mostly used • In addition, we were interested in – Who was using our data (broad strokes) – Were there any usage patterns • We didn't want to pay much. =)
implement custom statistics logic: use a database, record requests as they arrive etc. • However: – All our data was on top of HTTP – We were anyways using Apache to handle or proxy all our requests – Apache logs every request that comes in, so why not use that? • We ended up using AWStats
use • Reads Apache web server logs, and produces reports based on those. Has a report interface, too. – Overall request statistics – Breakdowns by time (year, month etc..), URL and countries – And a lot more • We set that up, and put it where everyone can see it. =) • http://data.itsfactory.fi/statistics/awstats.pl
2,9 million data requests – 36 000 unique visitors – 2300 unique visitors per day – Total amount of data requested: 113 Gigabytes • Most of the requests coming from Finland, Germany is next followed by Austria, United States and Netherlands • Usage increases during mornings and peaks during afternoon – Usage is low during nights, when only servers are awake. =)
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