[jira] [Assigned] (KAFKA-10317) Global thread should honor shutdown signal during bootstrapping

["Matthias J. Sax (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-10317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax reassigned KAFKA-10317:
---------------------------------------

    Assignee: Matthias J. Sax

> Global thread should honor shutdown signal during bootstrapping
> ---------------------------------------------------------------
>
>                 Key: KAFKA-10317
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10317
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Matthias J. Sax
>            Assignee: Matthias J. Sax
>            Priority: Major
>
> During startup, the global thread will bootstrap all global stores before it enters its main store-update-loop. The store-update-loop exits, when `KafkaStreams#close()` is called.
> However, during the bootstrap phase there is no check if `KafkaStreams#close()` was called. And thus, KafkaStreams cannot be stopped during bootstrapping (ie, the bootstrapping cannot be interrupted).
> To make Kafka Streams more responsive, we should check if `close()` was called during bootstrapping, too.
> Note, that `KafkaStreams#start()` actually blocks during bootstrapping atm (cf KAFKA-7380) and thus we should fix both issue at once if possible.



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