We have always voted on release tar-balls, not svn branches / git commit-ids or 
tags.

When we were on SVN, we used to paste in the voting thread the release branch 
URL.

Since we moved to git, we stopped creating release branches and have always 
used signed tags for snapshotting and posted tags in the voting threads.

To my knowledge, we never reuse tags - as they are themselves versioned - for 
e.g. hadoop-2.7.1-RC0 etc. So we don’t run the risk of tags getting replaced 
from under the rug.

To me, tags are a simple way of going back to the code we ship in a release 
without creating and maintaining explicit release branches. No one can remember 
Commit IDs.

All that said, we can post the commit-IDs in future release votes for the sake 
of convenience, but I disagree with the statement that we vote on git-commits.

+Vinod


> On Nov 12, 2015, at 10:01 AM, Steve Loughran <ste...@hortonworks.com> wrote:
> 
> we should be voting on git commits, not tags. 
> 
> What's the relevant SHA1?

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