Andrew Crozier

[LIVY-769] Fix field name in REST API docs

2

## What changes were proposed in this pull request? The [session and batch log endpoints](https://github.com/apache/incubator-livy/blob/1c656aad3495814fb55b5c2f5be708642b6174f3/server/src/main/scala/org/apache/livy/server/SessionServlet.scala#L105) return the total number of lines under the key "total", however the docs currently describe...

Ideally add tests for basic auth (possibly with Knox) and Kerberos.

Chunked DataFrame Read

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At the moment, we try to read the entire DataFrame in a single request. This task is to implement chunked read.

Support RDDs in `Livy.read()`

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Currently, `Livy.read()` only works with dataframes.

[RFC] Add module to make datasets IO easier with pandas

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This needs tests added before merging. While this is still in draft stage, and prior to implementing tests, I'd like to get review on the API proposed by this PR....

Experiments resource-based interface

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This PR prototypes adding a resource-based interface for experiment runs, with the following features: * New primary models using attrs with class methods for querying / getting resources * Convert...