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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-26665) BlockTransferService.fetchBlockSync may hang forever
Date Wed, 06 Feb 2019 16:53:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-26665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen updated SPARK-26665:
------------------------------
    Fix Version/s:     (was: 2.3.4)
                   2.3.3

> 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: 2.3.0, 2.3.1, 2.3.2, 2.4.0
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>            Priority: Major
>             Fix For: 2.3.3, 2.4.1, 3.0.0
>
>
> `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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