Category Archives: MongoDB

Entropy of a MongoDB ObjectId

Posted on October 7, 2017 by Sampo J.

How hard is it to guess a generated MongoDB ObjectId? Continue reading →

Posted in MongoDB, Security | Tagged , , | Leave a comment

Using Spark with MongoDB

Posted on February 18, 2014 by Sampo J.

I recently started investigating Apache Spark as a framework for data mining. Spark builds upon Apache Hadoop, and allows a multitude of operations more than map-reduce. It also supports streaming data with iterative algorithms. Since Spark builds upon Hadoop and … Continue reading →

Posted in Coding, MongoDB, Spark | Tagged , | 33 Comments