GitHub user kosii opened a pull request:
https://github.com/apache/storm/pull/1437
Ack late tuples in windowed mode
The current implementation simply ignores late tuples without acking
them, which causes timeouts and replays after
TOPOLOGY_MESSAGE_TIMEOUT_SECS. A tuple which was late at a some time
is going to be late at any moment in the future, so there is no point
of replaying it, because the lingering late tuples will just block the
topology (especially if TOPOLOGY_MAX_SPOUT_PENDING is set).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kosii/storm master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/1437.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 #1437
----
commit 7b24dfa6523322b84f496d9533b87cb8bedb2461
Author: Balazs Kossovics <[email protected]>
Date: 2016-05-20T15:36:42Z
Ack late tuples in windowed mode
The current implementation simply ignores late tuples without acking
them, which causes timeouts and replays after
TOPOLOGY_MESSAGE_TIMEOUT_SECS. A tuple which was late at a some time
is going to be late at any moment in the future, so there is no point
of replaying it, because the lingering late tuples will just block the
topology (especially if TOPOLOGY_MAX_SPOUT_PENDING is set).
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