Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS >> mail # dev >> VOTE: HDFS-347 merge


Copy link to this message
-
Re: VOTE: HDFS-347 merge
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
> > >
> >
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB