[ARROW-10979] [Rust] Basic Kafka Reader

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Invalid
• Component/s: Rust
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26902
• Assignee: Unassigned
• Reporter: Kevin Flansburg
• Created: 19/Dec/20 15:10
• Updated: 11/Jan/23 08:16
• Resolved: 26/Apr/21 12:42

Description

Introduce a basic Kafka reader based on `rdkafka`. Exposes an `Iterator` interface which yields `Result<RecordBatch>`.

Columns in the batch are:

key (Binary, nullable): The key of a message, if present.

payload (Binary, nullable): The payload bytes of a message, if present.

topic (Utf8): The topic of the message.

partition (Int32): The partition of the message.

offset (Int64): The offset of the message.

 

Note that `rdkafka` has a C++ dependency (`librdkafka`), but we can choose to make this dynamically linked. `rdkafka` provides an `async` Consumer, but I have explicitly chosen the non-`async` Consumer.

Issue Links

• links to: GitHub Pull Request #8968