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https://issues.apache.org/jira/browse/HADOOP-18569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HADOOP-18569.
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Fix Version/s: 3.4.0
3.3.5
3.2.5
3.3.9
Resolution: Fixed
Thanks [~ste...@apache.org], [~szetszwo], [~weichiu] for the reviews.
> 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
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.5, 3.2.5, 3.3.9
>
>
> 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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