GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/7913
[SPARK-9556] [STREAMING][WIP] Make all BlockGenerators subscribe to rate
limit updates
In some receivers, instead of using the default `BlockGenerator` in
`ReceiverSupervisorImpl`, custom generator with their custom listeners are used
for reliability (see
[`ReliableKafkaReceiver`](https://github.com/apache/spark/blob/master/external/kafka/src/main/scala/org/apache/spark/streaming/kafka/ReliableKafkaReceiver.scala#L99)
and [updated
`KinesisReceiver`](https://github.com/apache/spark/pull/7825/files)). These
custom generators do not receive rate updates. This PR modifies the code to
allow custom `BlockGenerator`s to be managed (created, started and stopped) by
the `ReceiverSupervisorImpl` so that rate updates can be applied.
In the process, I did some simplification, and de-flaki-fication of some
rate controller related tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-9556
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7913.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #7913
----
commit 51759cbb76e078ea787f90c18dcdf07674469f37
Author: Tathagata Das <[email protected]>
Date: 2015-08-04T00:46:15Z
Refactored rate controller tests and added the ability to update rate of
any custom block generator
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