[
https://issues.apache.org/jira/browse/KAFKA-16588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chia-Ping Tsai updated KAFKA-16588:
-----------------------------------
Description:
see
[https://github.com/apache/kafka/blob/f22ad6645bfec0b38e820e0090261c9f6b421a74/core/src/main/scala/kafka/log/LogManager.scala#L1154]
We call `take` even though the `logsToBeDeleted` is empty, and
`KafkaScheduler#shutdown` call `shutdown` rather than `shudownNow`
([https://github.com/apache/kafka/blob/trunk/server-common/src/main/java/org/apache/kafka/server/util/KafkaScheduler.java#L134)]
Hence, the thread won't be completed forever, and it blocks the shutdown of
broker.
We should replace the `take` by `poll` since we have checked the element before.
BTW, the zero is allowed
(https://github.com/apache/kafka/blob/f22ad6645bfec0b38e820e0090261c9f6b421a74/storage/src/main/java/org/apache/kafka/storage/internals/log/LogConfig.java#L258)
was:
see
https://github.com/apache/kafka/blob/f22ad6645bfec0b38e820e0090261c9f6b421a74/core/src/main/scala/kafka/log/LogManager.scala#L1154
We call `take` even though the `logsToBeDeleted` is empty, and
`KafkaScheduler#shutdown` call `shutdown` rather than `shudownNow`
([https://github.com/apache/kafka/blob/trunk/server-common/src/main/java/org/apache/kafka/server/util/KafkaScheduler.java#L134)]
Hence, the thread won't be completed forever, and it blocks the shutdown of
broker.
We should replace the `take` by `poll` since we have checked the element before.
> broker shutdown hangs when `log.segment.delete.delay.ms` is zero
> -----------------------------------------------------------------
>
> Key: KAFKA-16588
> URL: https://issues.apache.org/jira/browse/KAFKA-16588
> Project: Kafka
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Minor
>
> see
> [https://github.com/apache/kafka/blob/f22ad6645bfec0b38e820e0090261c9f6b421a74/core/src/main/scala/kafka/log/LogManager.scala#L1154]
> We call `take` even though the `logsToBeDeleted` is empty, and
> `KafkaScheduler#shutdown` call `shutdown` rather than `shudownNow`
> ([https://github.com/apache/kafka/blob/trunk/server-common/src/main/java/org/apache/kafka/server/util/KafkaScheduler.java#L134)]
> Hence, the thread won't be completed forever, and it blocks the shutdown of
> broker.
> We should replace the `take` by `poll` since we have checked the element
> before.
> BTW, the zero is allowed
> (https://github.com/apache/kafka/blob/f22ad6645bfec0b38e820e0090261c9f6b421a74/storage/src/main/java/org/apache/kafka/storage/internals/log/LogConfig.java#L258)
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