Github user mateiz commented on the pull request:
https://github.com/apache/spark/pull/223#issuecomment-39491772
Hey Parviz, FYI, because of the Amazon Software License's restrictions on
Kinesis, it may be difficult to include this in the default build (see
https://issues.apache.org/jira/browse/LEGAL-198). In that case we should add a
Maven profile for enabling it, and give the component a name that makes it
clear it depends on something with a different license (e.g.
`spark-amazonkinesis-asl`). We can also describe that in the docs.
We already have one component like this for reporting metrics to Ganglia
(`spark-ganglia-lgpl`), which depends on an LGPL-licensed library. Users build
it through a special Maven and SBT flag.
The issue BTW is not that Amazon Software License prevents us from
licensing Spark under the Apache License, but that the Apache *foundation*
wants to make sure that code used by its projects offers the same freedoms as
the Apache license. Stuff that doesn't do that can go into optional packages.
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