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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/01/18 22:02:00 UTC

[jira] [Commented] (SPARK-26665) BlockTransferService.fetchBlockSync may hang forever

    [ https://issues.apache.org/jira/browse/SPARK-26665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16746711#comment-16746711 ] 

Apache Spark commented on SPARK-26665:
--------------------------------------

User 'zsxwing' has created a pull request for this issue:
https://github.com/apache/spark/pull/23590

> BlockTransferService.fetchBlockSync may hang forever
> ----------------------------------------------------
>
>                 Key: SPARK-26665
>                 URL: https://issues.apache.org/jira/browse/SPARK-26665
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.4.0
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>            Priority: Major
>
> `ByteBuffer.allocate` may throw OutOfMemoryError when the block is large but no enough memory is available. However, when this happens, right now BlockTransferService.fetchBlockSync will just hang forever.



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