Re: Test fails when compiling spark with tests

2016-09-13 Thread Jakob Odersky
There are some flaky tests that occasionally fail, my first recommendation would be to re-run the test suite. Another thing to check is if there are any applications listening to spark's default ports. Btw, what is your environment like? In case it is windows, I don't think tests are regularly run

REST api for monitoring Spark Streaming

2016-09-13 Thread Chan Chor Pang
Hi everyone, Trying to monitoring our streaming application using Spark REST interface only to found that there is no such thing for Streaming. I wonder if anyone already working on this or I should just start implementing my own one? -- BR Peter Chan

Nominal Attribute

2016-09-13 Thread Danil Kirsanov
NominalAttribute in MLib is used to represent categorical data internally. It is barely documented though and has a number of limitations: for example, it supports only integer and string data. Is there any current effort to expose it (and categorical data handling in general) to the users, or

Spark SQL - Applying transformation on a struct inside an array

2016-09-13 Thread Olivier Girardot
Hi everyone,I'm currently trying to create a generic transformation mecanism on a Dataframe to modify an arbitrary column regardless of the underlying the schema. It's "relatively" straightforward for complex types like struct> to apply an arbitrary UDF on the column and replace the data