accumulo-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Billie Rinaldi <billie.rina...@gmail.com>
Subject Re: Request for mentor for project on ACCUMULO-1197
Date Wed, 17 Jul 2013 18:51:33 GMT
Both. You could also mention that it could be useful for HBase as well, but
that you aren't planning to do the HBase integration as part of your
project.
On Jul 17, 2013 2:41 PM, "Sreejith Ramakrishnan" <sreejith.code@gmail.com>
wrote:

> So, when I'm putting an email in the HDFS list, shall I cite ACCUMULO-1197
> or HDFS-4680?
>
>
> On Thu, Jul 18, 2013 at 12:03 AM, Billie Rinaldi
> <billie.rinaldi@gmail.com>wrote:
>
> > I suspect people may be reluctant due to the unknown nature of making
> > changes to HDFS.  Perhaps if you could find someone to agree to be your
> > mentor on the HDFS side, it would be easier to find an Accumulo mentor
> for
> > the part of the project that involves integrating the HDFS changes with
> > Accumulo.
> >
> > Billie
> >
> >
> > On Wed, Jul 17, 2013 at 11:23 AM, Sreejith Ramakrishnan <
> > sreejith.code@gmail.com> wrote:
> >
> > > Oh. I saw the ticket. I'll try that direction as well. Also, what do
> you
> > > think are my odds at getting a mentor since its too close to the
> > deadline?
> > >
> > > I'm still requesting mentorship since its a formality for the
> programme.
> > > Still keeping my hopes up.
> > >
> > >
> > > On Wed, Jul 17, 2013 at 11:45 PM, Billie Rinaldi
> > > <billie.rinaldi@gmail.com>wrote:
> > >
> > > > I realize there isn't a lot of time before the deadline, but if you
> are
> > > > interested in submitting a patch to HDFS I would encourage you to
> > engage
> > > > with the HDFS community to see if they are interested in such a
> feature
> > > to
> > > > increase the likelihood of your patch being accepted.  Their dev
> > mailing
> > > > list is hdfs-dev@hadoop.apache.org.
> > > >
> > > > I found one reference to Dapper in the HDFS tickets, HDFS-4680.  The
> > > ticket
> > > > isn't about tracing, but Todd Lipcon comments that he's experimented
> > with
> > > > adding tracing to Hadoop RPC and asks if people would find that
> useful.
> > > > (There doesn't appear to be a reply.)
> > > >
> > > > Billie
> > > >
> > > >
> > > > On Wed, Jul 17, 2013 at 11:01 AM, Sreejith Ramakrishnan <
> > > > sreejith.code@gmail.com> wrote:
> > > >
> > > > > I think its a good idea to modify HDFS and Accumulo to support
> HTrace
> > > > since
> > > > > HBase has also started working in this direction. The progress made
> > > could
> > > > > benefit both projects. And also, HTrace follows the Dapper
> > conventions.
> > > > >
> > > > > I'm not an expert. But from what I read in Google's paper and
> what's
> > > > being
> > > > > provided in HTrace, we can modify HDFS instrumentation to add a
> > 64-bit
> > > > > span-id to the RPC when tracing is enabled. And on the receiver
> side,
> > > if
> > > > it
> > > > > receives a span-id, it shall also be traced with both the parent
> and
> > > > child
> > > > > nodes having the same trace-id.
> > > > >
> > > > > What do you think? Please do correct me if I'm wrong.
> > > > >
> > > > > P.S: Also, the last date for application for the mentoring ends on
> > 19th
> > > > > July. So, I request all the experts here to please let me know if
> > > you're
> > > > > ready to be a mentor. And I assure you, I won't bug you too much
in
> > > your
> > > > > busy scheduler. It's a mandatory rule for the ICFOSS programme -
> > > > > http://community.apache.org/mentoringprogramme-icfoss-pilot.html
> > > > >
> > > > >
> > > > > On Wed, Jul 17, 2013 at 6:01 PM, Keith Turner <keith@deenlo.com>
> > > wrote:
> > > > >
> > > > > > On Wed, Jul 17, 2013 at 7:32 AM, Sreejith Ramakrishnan <
> > > > > > sreejith.code@gmail.com> wrote:
> > > > > >
> > > > > > > Wouldn't modifying HDFS in any way mean forking the project?
> > > Wouldn't
> > > > > > that
> > > > > > > have problems in the long run?
> > > > > > >
> > > > > > >
> > > > > > Forking HDFS is not the way to go.  Getting your ideas and
> patches
> > > > > accepted
> > > > > > by HDFS is the way to go.
> > > > > >
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > On Wed, Jul 17, 2013 at 12:04 AM, Sreejith Ramakrishnan
<
> > > > > > > sreejith.code@gmail.com> wrote:
> > > > > > >
> > > > > > > > Hey,
> > > > > > > >
> > > > > > > > I have an idea to tackle this Jira. I've read the
dapper
> paper
> > > and
> > > > > > > > currently examining the work done in thrift. Shall
I make a
> > > > detailed
> > > > > > post
> > > > > > > > here?
> > > > > > > >
> > > > > > > > I'm part of the ICFOSS Joint Mentoring Programme.
So if
> someone
> > > can
> > > > > > > please
> > > > > > > > be my mentor, I'll be happy to work with you :)
> > > > > > > >
> > > > > > > > [1]
> > > > http://community.apache.org/mentoringprogramme-icfoss-pilot.html
> > > > > > > >
> > > > > > > > Thank you,
> > > > > > > > Sreejith R
> > > > > > > >
> > > > > > > >
> > > > > > > > On Tue, Jul 16, 2013 at 8:46 AM, German Gutierrez
<
> > > > > > > gutierrezga00@gmail.com
> > > > > > > > > wrote:
> > > > > > > >
> > > > > > > >> On Jul 12, 2013 8:53 PM, "Keith Turner" <keith@deenlo.com>
> > > wrote:
> > > > > > > >> >
> > > > > > > >> > On Thu, Jul 11, 2013 at 11:47 AM, Ajay Bhat
<
> > > > > a.ajay.bhat@gmail.com>
> > > > > > > >> wrote:
> > > > > > > >> >
> > > > > > > >> > > Thanks Keith. I am looking into it now.
> > > > > > > >> > >
> > > > > > > >> > > Accumulo has done Dapper design based
tracing and called
> > it
> > > > > > > >> Cloudtrace.
> > > > > > > >> I
> > > > > > > >> > > am not aware of the ins and outs of
this and would like
> to
> > > > know
> > > > > > more
> > > > > > > >> > > indepth about it. Can anyone help out
here?
> > > > > > > >> > >
> > > > > > > >> >
> > > > > > > >> > Cloudtrace is an implementation of the ideas
mentioned in
> > the
> > > > > Dapper
> > > > > > > >> paper.
> > > > > > > >> >  Its only used by Accumulo at this point.
  The reason I
> > > > mentioned
> > > > > > the
> > > > > > > >> > HBase work is so you could asses the status
of that work.
> >  You
> > > > > > should
> > > > > > > >> > determine if any other work besides the HBase
and Accumulo
> > > > efforts
> > > > > > > >> exists.
> > > > > > > >> >
> > > > > > > >> > I can think of a few ways to tackle this
problem.
> > > > > > > >> >
> > > > > > > >> >  1. Modify HDFS to use cloudtrace.  Cloudtrace
is
> currently
> > > > > > > implemented
> > > > > > > >> on
> > > > > > > >> > top of thrift, HDFS does not use thrift.
> > > > > > > >> >  2. Modify HDFS and Accumulo to use HBase
 tracing.
> > > > > > > >> >  3. Modify HDFS to support hooks for tracing.
 Make
> > cloudtrace
> > > > use
> > > > > > > these
> > > > > > > >> > hooks.
> > > > > > > >> >  4. Create completely new tracing system
> > > > > > > >> >
> > > > > > > >> > What are your thoughts on this project? 
What do you hope
> to
> > > > > > > accomplish?
> > > > > > > >> > What is your timeframe?
> > > > > > > >> >
> > > > > > > >> >
> > > > > > > >> > > I have checked out the HBase trunk also.
> > > > > > > >> > >
> > > > > > > >> > >  Some additional info about ASF ICFOSS:
The ASF-ICFOSS
> > > > > Programme [
> > > > > > > >> > > http://icfoss.org/mentor.html] was conducted
by Luciano
> > > > > Resende [
> > > > > > > >> > > http://people.apache.org/~lresende]
on June 21-23rd,
> 2013
> > > and
> > > > > as
> > > > > > > >> part of
> > > > > > > >> > > the Programme, students are encouraged
to take up an
> > Apache
> > > > JIRA
> > > > > > as
> > > > > > > a
> > > > > > > >> > > project.
> > > > > > > >> > >
> > > > > > > >> > >
> > > > > > > >> > > On Thu, Jul 11, 2013 at 7:27 PM, Keith
Turner <
> > > > keith@deenlo.com
> > > > > >
> > > > > > > >> wrote:
> > > > > > > >> > >
> > > > > > > >> > > > Some HBase guys were also looking
into doing something
> > w/
> > > > > > tracing.
> > > > > > > >>  I
> > > > > > > >> am
> > > > > > > >> > > > not sure what has been done, but
it would be useful to
> > > look
> > > > > into
> > > > > > > >> that.  I
> > > > > > > >> > > > linked HBASE-6449 to the Accumulo
ticket.
> > > > > > > >> > > >
> > > > > > > >> > > >
> > > > > > > >> > > > On Wed, Jul 10, 2013 at 8:41 PM,
Ajay Bhat <
> > > > > > a.ajay.bhat@gmail.com
> > > > > > > >
> > > > > > > >> > > wrote:
> > > > > > > >> > > >
> > > > > > > >> > > > > Hi all,
> > > > > > > >> > > > >
> > > > > > > >> > > > > I had attended the ASF-ICFOSS
workshop held in June.
> > > > > > > >> > > > >
> > > > > > >
> http://community.apache.org/mentoringprogramme-icfoss-pilot.html
> > > > > > > >> > > > >
> > > > > > > >> > > > > I'd like to take up this issue
as a project.
> > > > > > > >> > > > > https://issues.apache.org/jira/browse/ACCUMULO-1197
> > > > > > > >> > > > > Could someone in the community
act as a mentor for
> > this
> > > > > > project?
> > > > > > > >> The
> > > > > > > >> > > > > process of selection is very
similar to GSoC.
> > > > > > > >> > > > >
> > > > > > > >> > > > > I've checked out the source
code and used Accumulo.
> I
> > > hope
> > > > > to
> > > > > > > have
> > > > > > > >> > > made a
> > > > > > > >> > > > > formal proposal by Saturday,
July 13th. I'd be happy
> > to
> > > > get
> > > > > > some
> > > > > > > >> advice
> > > > > > > >> > > > on
> > > > > > > >> > > > > how I could get started on
it, and also any minor
> > > issues I
> > > > > > could
> > > > > > > >> work
> > > > > > > >> > > on
> > > > > > > >> > > > in
> > > > > > > >> > > > > the interim.
> > > > > > > >> > > > >
> > > > > > > >> > > > > Regards,
> > > > > > > >> > > > > Ajay
> > > > > > > >> > > > >
> > > > > > > >> > > >
> > > > > > > >> > >
> > > > > > > >>
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message