GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/4467
[SPARK-5681][Streaming] Add tracker status and stop to receive messages
when stopping tracker
Related to #4364.
Sometimes the receiver will be registered into tracker after `ssc.stop()`
is called. Especially when `stop()` is called immediately after `start()`. So
the receiver doesn't get the `StopReceiver` message from the tracker. In this
case, when you call `stop()` in graceful mode, `stop()` would get stuck
indefinitely.
This pr adds a status to `ReceiverTracker` and asks `ReceiverTracker` stop
to receive messages when stopping.
This also adds a timeout check to `ReceiverLauncher.stop`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 tracker_status_timeout
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4467.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 #4467
----
commit 77983f35c634083d5a0398bd86f6f594221bba7a
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-02-09T07:43:18Z
Add tracker status and stop to receive messages when stopping tracker.
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