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

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

Matthias J. Sax created KAFKA-10317:
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             Summary: 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


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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