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https://issues.apache.org/jira/browse/KAFKA-16552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17837163#comment-17837163
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Kuan Po Tseng commented on KAFKA-16552:
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+1 on this !
> Create an internal config to control InitialTaskDelayMs in LogManager to
> speed up tests
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-16552
> URL: https://issues.apache.org/jira/browse/KAFKA-16552
> Project: Kafka
> Issue Type: Improvement
> Reporter: Luke Chen
> Assignee: Luke Chen
> Priority: Major
>
> When startup LogManager, we'll create schedule tasks like:
> kafka-log-retention, kafka-recovery-point-checkpoint threads...etc
> ([here|https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/log/LogManager.scala#L629]).
> All of them have public configs to configure the interval, like
> `log.retention.check.interval.ms`. But in addition to the scheduler interval,
> there's a hard coded InitialTaskDelayMs (30 seconds) for all of them. That
> might not be a problem in production env, since it'll make the kafka server
> start up faster. But in test env, the 30 secs delay means if there are tests
> verifying the behaviors like log retention, it'll take 30 secs up to complete
> the tests.
> To speed up tests, we should create an internal config (ex:
> "log.initial.task.delay.ms") to control InitialTaskDelayMs in LogManager to
> speed up tests. This is not intended to be used by normal users, just for
> speeding up testing usage.
>
>
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