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HDFS, mail # dev - VOTE: HDFS-347 merge


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Re: VOTE: HDFS-347 merge
Azuryy Yu 2013-04-12, 21:37
Thanks Colin.

--Send from my Sony mobile.
On Apr 13, 2013 4:06 AM, "Colin McCabe" <[EMAIL PROTECTED]> wrote:

> Hi Azuryy,
>
> The branch adds new APT documentation which describes the new configuration
> that is needed.
> It's
> in
> ./hadoop-hdfs-project/hadoop-hdfs/src/site/apt/ShortCircuitLocalReads.apt.vm
>
> best,
> Colin
>
>
> On Thu, Apr 11, 2013 at 6:37 PM, Azuryy Yu <[EMAIL PROTECTED]> wrote:
>
> > It's good to know HDFS-347 win the votes finally.
> >
> > Does there need some additional configuration to enable these features?
> >
> >
> >
> > On Fri, Apr 12, 2013 at 2:05 AM, Colin McCabe <[EMAIL PROTECTED]
> > >wrote:
> >
> > > The merge vote is now closed.  With three +1s, it passes.
> > >
> > > thanks,
> > > Colin
> > >
> > >
> > > On Wed, Apr 10, 2013 at 10:00 PM, Aaron T. Myers <[EMAIL PROTECTED]>
> > wrote:
> > >
> > > > I'm +1 as well. I've reviewed much of the code as well and have
> > > personally
> > > > seen it running in production at several different sites. I agree
> with
> > > Todd
> > > > that it's a substantial improvement in operability.
> > > >
> > > > Best,
> > > > Aaron
> > > >
> > > > On Apr 8, 2013, at 1:19 PM, Todd Lipcon <[EMAIL PROTECTED]> wrote:
> > > >
> > > > > +1 for the branch merge. I've reviewed all of the code in the
> branch,
> > > and
> > > > > we have people now running this code in production scenarios. It is
> > as
> > > > > functional as the old version and way easier to set up/configure.
> > > > >
> > > > > -Todd
> > > > >
> > > > > On Mon, Apr 1, 2013 at 4:32 PM, Colin McCabe <
> [EMAIL PROTECTED]
> > >
> > > > wrote:
> > > > >
> > > > >> Hi all,
> > > > >>
> > > > >> I think it's time to merge the HDFS-347 branch back to trunk.
>  It's
> > > been
> > > > >> under
> > > > >> review and testing for several months, and provides both a
> > performance
> > > > >> advantage, and the ability to use short-circuit local reads
> without
> > > > >> compromising system security.
> > > > >>
> > > > >> Previously, we tried to merge this and the objection was brought
> up
> > > > that we
> > > > >> should keep the old, insecure short-circuit local reads around so
> > that
> > > > >> platforms for which secure SCR had not yet been implemented could
> > use
> > > it
> > > > >> (e.g. Windows).  This has been addressed-- see HDFS-4538 for
> > details.
> > > > >> Suresh has also volunteered to maintain the insecure SCR code
> until
> > > > secure
> > > > >> SCR can be implemented for Windows.
> > > > >>
> > > > >> Please cast your vote by EOD Monday 4/8.
> > > > >>
> > > > >> best,
> > > > >> Colin
> > > > >>
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Todd Lipcon
> > > > > Software Engineer, Cloudera
> > > >
> > >
> >
>