Repository: kafka Updated Branches: refs/heads/0.10.2 e3c5f4122 -> 76f8028d9
MINOR: Increase max.poll time for streams consumers Author: Eno Thereska <[email protected]> Reviewers: Damian Guy, Matthias J. Sax, Guozhang Wang Closes #2770 from enothereska/minor-increase-max-poll (cherry picked from commit 5f88cf79fb51996e77614aafdfbb15e4989e159b) Signed-off-by: Guozhang Wang <[email protected]> Project: http://git-wip-us.apache.org/repos/asf/kafka/repo Commit: http://git-wip-us.apache.org/repos/asf/kafka/commit/76f8028d Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/76f8028d Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/76f8028d Branch: refs/heads/0.10.2 Commit: 76f8028d9d6473e6ec084e4258bf0e2d84f8a428 Parents: e3c5f41 Author: Eno Thereska <[email protected]> Authored: Thu Mar 30 15:58:24 2017 -0700 Committer: Guozhang Wang <[email protected]> Committed: Thu Mar 30 15:59:55 2017 -0700 ---------------------------------------------------------------------- .../src/main/java/org/apache/kafka/streams/StreamsConfig.java | 7 +++++++ 1 file changed, 7 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kafka/blob/76f8028d/streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java ---------------------------------------------------------------------- diff --git a/streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java b/streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java index 57db027..3d22742 100644 --- a/streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java +++ b/streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java @@ -404,6 +404,13 @@ public class StreamsConfig extends AbstractConfig { tempConsumerDefaultOverrides.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, "1000"); tempConsumerDefaultOverrides.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); tempConsumerDefaultOverrides.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false"); + // MAX_POLL_INTERVAL_MS_CONFIG needs to be large for streams to handle cases when + // streams is recovering data from state stores. We may set it to Integer.MAX_VALUE since + // the streams code itself catches most exceptions and acts accordingly without needing + // this timeout. Note however that deadlocks are not detected (by definition) so we + // are losing the ability to detect them by setting this value to large. Hopefully + // deadlocks happen very rarely or never. + tempConsumerDefaultOverrides.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, Integer.toString(Integer.MAX_VALUE)); CONSUMER_DEFAULT_OVERRIDES = Collections.unmodifiableMap(tempConsumerDefaultOverrides); }
