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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1488) support BigDecimal encoding for basic built-in combiners
Date Mon, 17 Jun 2013 00:45:20 GMT


Josh Elser commented on ACCUMULO-1488:

I tend to agree with [~kturner]'s initial view on this: we have no precedent and the community
has been split on this issue for quite some time.

Honestly, for something as seemingly standalone as this change, I tend to be on the side of
backporting the change. However, posting a patch on a fixVersion=1.5.1 issue isn't the friendly
way to approach this [~afuchs] as I'm fairly sure you knew about this community split for
quite some time (I could be making it up that you weren't a part of any of the previous conversations
on the subject).

The problem as I see it is that the decision to backport a fix or feature is currently subjective,
which causes these arguments/discussions to repetitively happen without making future decisions
any easier. Additionally, this problem *will* compound itself when we move to Git, as this
won't simply be an issue of "did someone `svn merge -r` the commit", but dorking with history
itself. That being said, I want to also note that I don't believe "I'll take on maintenance.."
is a statement that anyone can make in a community such as this. 95% of the time, your fix,
as standalone as it is, won't affect anyone. That 5% change when a different dev will run
into a conflict, that dev is going to resolve it on their own as this is the 1minute solution
as opposed to 1+day solution. Again, the difficulty isn't the issue, it's the principle of
the matter.

Sans major performance issues, Accumulo tends to get away with not having to make many minor
release versions which I think is a good thing. Up until 1.5, we've had a rather pedantic
release process and someone had to be guilted or volun-told to handle the RC, testing, voting,
deploying and promoting. As such, my opinion would be to not backport things that aren't performance
or availability related. This opinion is also formed by users who are very familiar with the
dynamic classloaders (which tends to work _most_ of the time even in production environments)
and don't view `scp`'ing or `pdcp`'ing a new jar out to the cluster as pedantic or problematic.

Then again, this is still all very subjective of me, and just prolongs the larger issue as
I see it.
> support BigDecimal encoding for basic built-in combiners
> --------------------------------------------------------
>                 Key: ACCUMULO-1488
>                 URL:
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: Adam Fuchs
>             Fix For: 1.5.1, 1.6.0
>         Attachments: ACCUMULO-1488.patch
> Support sum, min, and max operations for decimal numbers using the java.math.BigDecimal
String encoding and decoding functions (BigDecimal.toString() and BigDecimal(String)).

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