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MINOR: Upgrade Hadoop to 3.3.6 - #3783

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dossett wants to merge 2 commits into
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dossett:hadoop-335-upgrade
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MINOR: Upgrade Hadoop to 3.3.6#3783
dossett wants to merge 2 commits into
apache:masterfrom
dossett:hadoop-335-upgrade

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@dossett

@dossett dossett commented Sep 8, 2026

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I used CODEX to write this PR and I stand by it. This summary was written by me.

I tried upgrading this dependency in a separate PR and ran into an interesting failure that I wanted to pull into its own change. We hit a known issue with a leak of vectored read buffers [1]. To address that we create an anonymous ByteBufferAllocator wrapper to track all allocated buffers and ensure they get released.

This upgrade isn't critical for anything, but does seem like good hygiene.

[1] https://issues.apache.org/jira/browse/HADOOP-19901
[2] https://hadoop.apache.org/release/3.3.6.html

@dossett dossett changed the title MINOR: Upgrade Hadoop to 3.3.5 MINOR: Upgrade Hadoop to 3.3.6 Sep 8, 2026
@Fokko

Fokko commented Sep 8, 2026

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Thanks @dossett for working on this. This is something that we try to tackle in #3559

@dossett

dossett commented Sep 8, 2026

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Thanks @Fokko, I completely missed that. I'll see if I have something to offer over there and close this PR.

@dossett dossett closed this Sep 8, 2026
@Fokko

Fokko commented Sep 8, 2026

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No problem, thank you for your understanding

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2 participants