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https://issues.apache.org/jira/browse/KAFKA-8180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18060523#comment-18060523
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James Cheng commented on KAFKA-8180:
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[KIP-599|https://cwiki.apache.org/confluence/display/KAFKA/KIP-599%3A+Throttle+Create+Topic%2C+Create+Partition+and+Delete+Topic+Operations]
shipped as [KAFKA-9915|https://issues.apache.org/jira/browse/KAFKA-9915] as
part of [Kafka
2.7.0|https://archive.apache.org/dist/kafka/2.7.0/RELEASE_NOTES.html]
We can close this JIRA.
> Deleting large number of topics can block the controller for the time it
> takes to delete all of them
> ----------------------------------------------------------------------------------------------------
>
> Key: KAFKA-8180
> URL: https://issues.apache.org/jira/browse/KAFKA-8180
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Reporter: Gwen Shapira
> Priority: Major
>
> Scenario:
> - Create large number of topics (In my experiment: 400 topics with 12
> partitions each )
> - Use the admin client to delete all of them in a single batch operation
> - Try to bounce another broker while this is going on
> As you can see from the logs and metrics - topic deletion happens
> synchronously in the controller and it does not do anything else (leader
> elections for instance) while it is busy deleting (which can take many
> minutes for large batches).
> I recommend fixing it by throttling the deletes - no matter how large a batch
> the client sent, the controller should delete a subset and complete a full
> cycle before deleting the next subset.
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