Google App Engine 上的商业智能
我想将分析和报告添加到 Google App Engine 上的应用程序中。你能告诉我如何在谷歌的“数据库”上做到这一点吗?有可用的oss库/工具吗?
谢谢
I want to add analytics and reports to my application on Google App Engine. Can you tell me how I can do that on google's "database"? Are there any oss libraries/tools available?
Thank you
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查看新的 Map Reduce API(它还不包含reduce,但那是谷歌无论如何称呼它)。
这样可以轻松映射数据存储区中某一类型的所有实体并计算您感兴趣的内容。Christopher
O'Donnell 拥有 一篇有关使用 Mapper API 进行分析的文章。他提前创建时间片(小时、天、月)并映射这些时间片以存储每个时间片的数据。
Look at the new Map Reduce API (it doesn't contain reduce yet, but that's what Google calls it anyway).
This makes it easy to map over all the entities of a type in your datastore and count the things you're interested in.
Christopher O'Donnell has an article about using the Mapper API for analytics. He creates time slices (hour, day, month) ahead of time and maps over those to store the data for each time slice.