Hi Chris,

I think it's feasible to complete those tasks in the next 7 days.
Andrew is on HDFS-5386.

The test plan document is a great idea.  We'll try to get that up
early next week.  We have a lot of unit tests now, clearly, but some
manual testing is important too.

If we discover any issues during testing, then we can push out the
merge timeframe.  For example, one area that probably needs more
testing is caching+federation.

I would like to get HDFS-5378 and HDFS-5366 in as well.

The other subtasks are "nice to have" but not really critical, and I
think it would be just as easy to do them in trunk.  We're hoping that
having this in trunk will make it easier for us to collaborate on
HDFS-2832 and other ongoing work.

> Also, I want to confirm that this vote only covers trunk.
> I don't see branch-2 mentioned, so I assume that we're
> not voting on merge to branch-2 yet.

Yeah, this vote is only to merge to trunk.

cheers.
Colin

On Fri, Oct 18, 2013 at 10:48 AM, Chris Nauroth
<cnaur...@hortonworks.com> wrote:
> I agree that the code has reached a stable point.  Colin and Andrew, thank
> you for your contributions and collaboration.
>
> Throughout development, I've watched the feature grow by running daily
> builds in a pseudo-distributed deployment.  As of this week, the full
> feature set is working end-to-end.  I also think we've reached a point of
> API stability for clients who want to control caching programmatically.
>
> There are several things that I'd like to see completed before the merge as
> pre-requisites:
>
> - HDFS-5203: Concurrent clients that add a cache directive on the same path
> may prematurely uncache from each other.
> - HDFS-5385: Caching RPCs are AtMostOnce, but do not persist client ID and
> call ID to edit log.
> - HDFS-5386: Add feature documentation for datanode caching.
> - Standard clean-ups to satisfy Jenkins pre-commit on the merge patch.
>  (For example, I know we've introduced some Javadoc warnings.)
> - Full test suite run on Windows.  (The feature is not yet implemented on
> Windows.  This is just intended to catch regressions.)
> - Test plan posted to HDFS-4949, similar in scope to the snapshot test plan
> that was posted to HDFS-2802.  For my own part, I've run the new unit
> tests, and I've tested end-to-end in a pseudo-distributed deployment.  It's
> unlikely that I'll get a chance to test fully distributed before the vote
> closes, so I'm curious to hear if you've done this on your side yet.
>
> Also, I want to confirm that this vote only covers trunk.  I don't see
> branch-2 mentioned, so I assume that we're not voting on merge to branch-2
> yet.
>
> Before I cast my vote, can you please discuss whether or not it's feasible
> to complete all of the above in the next 7 days?  For the issues assigned
> to me, I do expect to complete them.
>
> Thanks again for all of your hard work!
>
> Chris Nauroth
> Hortonworks
> http://hortonworks.com/
>
>
>
> On Thu, Oct 17, 2013 at 3:07 PM, Colin McCabe <cmcc...@alumni.cmu.edu>wrote:
>
>> +1.  Thanks, guys.
>>
>> best,
>> Colin
>>
>> On Thu, Oct 17, 2013 at 3:01 PM, Andrew Wang <andrew.w...@cloudera.com>
>> wrote:
>> > Hello all,
>> >
>> > I'd like to call a vote to merge the HDFS-4949 branch (in-memory caching)
>> > to trunk. Colin McCabe and I have been hard at work the last 3.5 months
>> > implementing this feature, and feel that it's reached a level of
>> stability
>> > and utility where it's ready for broader testing and integration.
>> >
>> > I'd also like to thank Chris Nauroth at Hortonworks for code reviews and
>> > bug fixes, and everyone who's reviewed the HDFS-4949 design doc and left
>> > comments.
>> >
>> > Obviously, I am +1 for the merge. The vote will run the standard 7 days,
>> > closing on October 24 at 11:59PM.
>> >
>> > Thanks,
>> > Andrew
>>
>
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