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https://issues.apache.org/jira/browse/STORM-650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582177#comment-14582177
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ASF GitHub Bot commented on STORM-650:
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Github user d2r commented on the pull request:
https://github.com/apache/storm/pull/406#issuecomment-111192307
> Is it better to open separate JIRA issue or this pull request is
considered as part of subjects discussed in STORM-650?
@ogorun I am sorry I did not see the notification for you comment earlier.
Yes, I think the place to discuss this is STORM-650. We might ask on
STORM-650 whether we should add a new JIRA Issue for this to the STORM-650
epic. We might ask on STORM-650 whether we should add a new JIRA Issue for
this to the STORM-650 epic. So far, I am not sure this specific issue is
addressed in STORM-650, and it seems some kafka API changes are coming as well.
> Storm-Kafka Refactoring and Improvements
> ----------------------------------------
>
> Key: STORM-650
> URL: https://issues.apache.org/jira/browse/STORM-650
> Project: Apache Storm
> Issue Type: Epic
> Components: storm-kafka
> Reporter: P. Taylor Goetz
>
> This is intended to be a parent/umbrella JIRA covering a number of
> efforts/suggestions aimed at improving the storm-kafka module. The goal is to
> facilitate communication and collaboration by providing a central point for
> discussion and coordination.
> The first phase should be to identify and agree upon a list of high-level
> points we would like to address. Once that is complete, we can move on to
> implementation/design discussions, followed by an implementation plan,
> division of labor, etc.
> A non-exhaustive, initial list of items follows. New/additional thoughts can
> be proposed in the comments.
> * Improve API for Specifying the Kafka Starting point
> Configuring the kafka spout's starting position (e.g. forceFromStart=true) is
> a common source of confusion. This should be refactored to provide an easy to
> understand, unambiguous API for configuring this property.
> * Use Kafka APIs Instead of Internal ZK Metadata (STORM-590)
> Currently the Kafka spout relies on reading Kafka's internal metadata from
> zookeeper. This should be refactored to use the Kafka Consumer API to protect
> against changes to the internal metadata format stored in ZK.
> * Improve Error Handling
> There are a number of failure scenarios with the kafka spout that users may
> want to react to differently based on their use case. Add a failure handler
> API that allows users to implement and/or plug in alternative failure
> handling implementations. It is assumed that default (sane) implementations
> would be included and configured by default.
> * Configuration/General Refactoring (BrokerHosts, etc.) (STORM-631)
> (need to flesh this out better) Reduce unnecessary marker
> interfaces/"instance of" checks. Unify configuration of core storm/trident
> spout implementations.
> * Kafka Spout doesn't pick up from the beginning of the queue unless
> forceFromStart specified (STORM-563)
> Discussion Items:
> * How important is backward compatibility?
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