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https://issues.apache.org/jira/browse/KAFKA-1125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889898#comment-13889898
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Todd Palino commented on KAFKA-1125:
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I believe an option for each of these tools to make them block would be very
useful. As noted, in scripts where I want to perform tasks in sequence (such as
moving partitions one topic at a time so as not to overload the cluster), I
need to check for completion of each command by using the reassignment JSON
file with --verify and parsing the response.
On the separate issue of creating a queue of admin tasks, this is probably a
good idea as, for the most part, we do not want to perform two actions at the
same time. However, I would request that if we have that queue of tasks, tools
to view and modify the queue (removing tasks or potentially reordering them)
would be helpful.
> Add options to let admin tools block until finish
> -------------------------------------------------
>
> Key: KAFKA-1125
> URL: https://issues.apache.org/jira/browse/KAFKA-1125
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.1
> Reporter: Guozhang Wang
> Assignee: Guozhang Wang
>
> Topic config change as well as create-topic, add-partition,
> partition-reassignment and preferred leader election are all asynchronous in
> the sense that the admin command would return immediately and one has to
> check himself if the process has finished. It is better to add an option to
> make these commands blocking until the process is done.
> Also, it would be good to order admin tasks in order so that they can be
> executed sequentially in logic.
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