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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2022/12/12 13:04:00 UTC

[jira] [Commented] (HADOOP-18569) NFS Gateway may release buffer too early

    [ https://issues.apache.org/jira/browse/HADOOP-18569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17646079#comment-17646079 ] 

Steve Loughran commented on HADOOP-18569:
-----------------------------------------

added as a blocker for 3.3.5; can you do a patch ASAP. pretty significant

> NFS Gateway may release buffer too early
> ----------------------------------------
>
>                 Key: HADOOP-18569
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18569
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 3.4.0, 3.3.5, 3.2.5, 3.3.9
>            Reporter: Attila Doroszlai
>            Assignee: Attila Doroszlai
>            Priority: Blocker
>
> After upgrading Netty from 4.1.68 to 4.1.77 (HADOOP-18079), NFS Gateway started crashing when writing data (can be easily reproduced by a few 10MB+ files).  The problem was triggered by [reduced default chunk size in PooledByteBufAllocator|https://github.com/netty/netty/commit/f650303911] (in 4.1.75), but it turned out to be caused by a buffer released too early in NFS Gateway.



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