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Posted to dev@storm.apache.org by "Kai Sasaki (JIRA)" <ji...@apache.org> on 2014/12/03 12:38:12 UTC

[jira] [Updated] (STORM-391) KafkaSpout to await for the topic

     [ https://issues.apache.org/jira/browse/STORM-391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kai Sasaki updated STORM-391:
-----------------------------
    Assignee:     (was: Kai Sasaki)

> KafkaSpout to await for the topic
> ---------------------------------
>
>                 Key: STORM-391
>                 URL: https://issues.apache.org/jira/browse/STORM-391
>             Project: Apache Storm
>          Issue Type: Improvement
>    Affects Versions: 0.9.2-incubating
>            Reporter: Alexey Raga
>              Labels: features
>
> When topic does not yet exist and the consumer is asked to consume from it, the default behaviour for Kafka heigh-level consumer is to "await" for the topic without a failure.
> KafkaSpout currently fails trying to get the partition information about the topic that does not exist.
> It may be a good idea to have the same common behaviour in KafkaSpout and it can probably be implemented through the zookeeper watchers: if topic does not exist, then set up a watcher and don't do anything until it yields.



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