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From Billie Rinaldi <billie.rina...@gmail.com>
Subject Re: Current Work on Accumulo in Hoya
Date Wed, 04 Dec 2013 00:09:00 GMT
The stdout and stderr should go to files under
$YARN_LOG_DIR/userlogs/<appid>/<containerid>.  That is, unless you set
yarn.log-aggregation-enable to true in your yarn site file.  In that case,
logs will get aggregated into HDFS, and you can access them with the "yarn
logs" command.


On Tue, Dec 3, 2013 at 3:57 PM, Roshan Punnoose <roshanp@gmail.com> wrote:

> I am now getting an exception when Hoya tries to initialize the accumulo
> cluster:
>
> Service accumulo failed in state STARTED; cause:
> org.apache.hadoop.yarn.service.launcher.ServiceLaunchException: accumulo
> failed with code 1
> org.apache.hadoop.yarn.service.launcher.ServiceLaunchException: accumulo
> failed with code 1
> at
>
> org.apache.hadoop.hoya.yarn.service.ForkedProcessService.reportFailure(ForkedProcessService.java:162)
>
> Any ideas as to where logs of a Forked process may go in Yarn?
>
>
> On Tue, Dec 3, 2013 at 4:24 PM, Roshan Punnoose <roshanp@gmail.com> wrote:
>
> > Ah never mind. Got further. Basically, I had specified
> > the yarn.resourcemanager.address to use the rescourcemanager scheduler
> port
> > by mistake. Using the proper port got me further. Thanks!
> >
> >
> > On Tue, Dec 3, 2013 at 4:17 PM, Roshan Punnoose <roshanp@gmail.com>
> wrote:
> >
> >> Yeah, it seems to be honoring the kinit cache properly and retrieving
> the
> >> correct kerberos ticket for validation.
> >>
> >>
> >> On Tue, Dec 3, 2013 at 4:02 PM, Billie Rinaldi <
> billie.rinaldi@gmail.com>wrote:
> >>
> >>> I haven't tried that out yet.  Were you following the instructions at
> >>>
> >>>
> https://github.com/hortonworks/hoya/blob/master/src/site/markdown/security.md
> >>> ?
> >>>
> >>>
> >>> On Tue, Dec 3, 2013 at 12:46 PM, Roshan Punnoose <roshanp@gmail.com>
> >>> wrote:
> >>>
> >>> > I am trying to run Hoya on a Kerberos Secure cluster. I believe I
> have
> >>> all
> >>> > the keytabs in place, and have been able to run mapreduce jobs with
> my
> >>> > user, etc. However, when I run the "hoya create" command I get this
> >>> > exception:
> >>> >
> >>> > org.apache.hadoop.security.AccessControlException: Client cannot
> >>> > authenticate via:[TOKEN]
> >>> > at
> >>> >
> >>> >
> >>>
> org.apache.hadoop.security.SaslRpcClient.selectSaslClient(SaslRpcClient.java:170)
> >>> >
> >>> > I thought that Hoya should be using Kerberos instead of the TOKEN.
> >>> >
> >>> > Also noticed that the SASL NEGOTIATE is responding with "TOKEN" as
> >>> well:
> >>> >
> >>> > 2013-12-03 20:45:04,530 [main] DEBUG security.SaslRpcClient -
> Received
> >>> SASL
> >>> > message state: NEGOTIATE
> >>> > auths {
> >>> >   method: "TOKEN"
> >>> >   mechanism: "DIGEST-MD5"
> >>> >   protocol: ""
> >>> >   serverId: "default"
> >>> > }
> >>> >
> >>> > That doesn't seem right either. Is there something I might be
> missing?
> >>> >
> >>> >
> >>> > On Fri, Oct 18, 2013 at 12:28 PM, Roshan Punnoose <roshanp@gmail.com
> >
> >>> > wrote:
> >>> >
> >>> > > Yeah I noticed the git-flow style branching. Pretty cool.
> >>> > >
> >>> > >
> >>> > > On Fri, Oct 18, 2013 at 12:22 PM, Ted Yu <yuzhihong@gmail.com>
> >>> wrote:
> >>> > >
> >>> > >> Roshan:
> >>> > >> FYI
> >>> > >> The develop branch of Hoya repo should be more up-to-date.
> >>> > >>
> >>> > >> Cheers
> >>> > >>
> >>> > >>
> >>> > >> On Fri, Oct 18, 2013 at 8:33 AM, Billie Rinaldi <
> >>> > billie.rinaldi@gmail.com
> >>> > >> >wrote:
> >>> > >>
> >>> > >> > Adding --debug to the command may print out more things
as well.
> >>> >  Also,
> >>> > >> the
> >>> > >> > start-up is not instantaneous.  In the Yarn logs, you
should see
> >>> at
> >>> > >> first
> >>> > >> > one container under the application (e.g.
> >>> > >> >
> >>> > >> >
> >>> > >>
> >>> >
> >>>
> logs/userlogs/application_1381800165150_0014/container_1381800165150_0014_01_000001)
> >>> > >> > and its out.txt will contain information about the
> initialization
> >>> > >> process.
> >>> > >> > If that goes well, it will start up containers for the
other
> >>> > processes.
> >>> > >> >
> >>> > >> >
> >>> > >> > On Fri, Oct 18, 2013 at 8:20 AM, Roshan Punnoose <
> >>> roshanp@gmail.com>
> >>> > >> > wrote:
> >>> > >> >
> >>> > >> > > Ah ok, will check the logs. When the create command
did not
> >>> seem to
> >>> > do
> >>> > >> > > anything, I assumed it was just initializing the
cluster.json
> >>> > >> descriptor
> >>> > >> > in
> >>> > >> > > hdfs.
> >>> > >> > >
> >>> > >> > >
> >>> > >> > > On Fri, Oct 18, 2013 at 11:15 AM, Billie Rinaldi
> >>> > >> > > <billie.rinaldi@gmail.com>wrote:
> >>> > >> > >
> >>> > >> > > > Sounds like we should plan a meetup.  The examples
page [1]
> >>> has an
> >>> > >> > > example
> >>> > >> > > > create command to use for Accumulo (it requires
a few more
> >>> options
> >>> > >> than
> >>> > >> > > the
> >>> > >> > > > HBase create command).  After that your instance
should be
> up
> >>> and
> >>> > >> > > running.
> >>> > >> > > > If not, look in the Yarn application logs to
see what's
> going
> >>> > >> wrong.  I
> >>> > >> > > > haven't tried freezing and thawing an instance
yet, just
> >>> freezing
> >>> > >> and
> >>> > >> > > > destroying to clean up.  I've noticed freezing
leaves some
> of
> >>> the
> >>> > >> > > processes
> >>> > >> > > > running, but this is probably because I'm supposed
to be
> >>> testing
> >>> > on
> >>> > >> > Linux
> >>> > >> > > > instead of OS X.
> >>> > >> > > >
> >>> > >> > > > [1]:
> >>> > >> > > >
> >>> > >> > > >
> >>> > >> > >
> >>> > >> >
> >>> > >>
> >>> >
> >>>
> https://github.com/hortonworks/hoya/blob/develop/src/site/markdown/examples.md
> >>> > >> > > >
> >>> > >> > > >
> >>> > >> > > > On Fri, Oct 18, 2013 at 7:58 AM, Roshan Punnoose
<
> >>> > roshanp@gmail.com
> >>> > >> >
> >>> > >> > > > wrote:
> >>> > >> > > >
> >>> > >> > > > > I would be very interested in looking
into Hoya as well. I
> >>> > pulled
> >>> > >> > down
> >>> > >> > > > the
> >>> > >> > > > > code and got as far as being able to create
the accumulo
> >>> cluster
> >>> > >> > > > descriptor
> >>> > >> > > > > through the "hoya create" command. When
I tried the "hoya
> >>> thaw"
> >>> > >> > nothing
> >>> > >> > > > > seemed to happen. Still debugging, but
it would be very
> >>> useful
> >>> > to
> >>> > >> > see a
> >>> > >> > > > > quick tutorial on the usage over google+
if possible.
> >>> Thanks!
> >>> > >> > > > >
> >>> > >> > > > >
> >>> > >> > > > > On Fri, Oct 18, 2013 at 10:35 AM, Steve
Loughran <
> >>> > >> > > stevel@hortonworks.com
> >>> > >> > > > > >wrote:
> >>> > >> > > > >
> >>> > >> > > > > > Hi, I'm working on it, with bille
helping on accumulo
> >>> > specifics
> >>> > >> &
> >>> > >> > > > testing
> >>> > >> > > > > >
> >>> > >> > > > > >    1. The code is up on github;
> >>> > >> > https://github.com/hortonworks/hoya.
> >>> > >> > > > > what
> >>> > >> > > > > >    we don't have is any good issue
tracking -I'm using
> our
> >>> > >> internal
> >>> > >> > > > JIRA
> >>> > >> > > > > >    server for that which is bad as
it keeps the project
> >>> less
> >>> > >> open
> >>> > >> > > -and
> >>> > >> > > > > > loses
> >>> > >> > > > > >    decision history
> >>> > >> > > > > >    2.  we're on a two week sprint
cycle, next one ends
> on
> >>> > monday
> >>> > >> > with
> >>> > >> > > > > >    another release coming out -focus
on secure cluster
> >>> support
> >>> > >> and
> >>> > >> > > > better
> >>> > >> > > > > >    liveness monitoring
> >>> > >> > > > > >    3. Bille has been deploying accumulo
with it.
> >>> > >> > > > > >
> >>> > >> > > > > > We're doing development with the
focus on hbase, though
> >>> it is
> >>> > >> > > designed
> >>> > >> > > > to
> >>> > >> > > > > > have different back ends "providers"
-the accumulo one
> is
> >>> the
> >>> > >> > > > > alternative,
> >>> > >> > > > > > and most of what we do benefits both
of them, it's just
> >>> we are
> >>> > >> > > testing
> >>> > >> > > > > more
> >>> > >> > > > > > with HBase and adding some features
(liveness probes)
> >>> there
> >>> > >> first.
> >>> > >> > > > > >
> >>> > >> > > > > > If we could get broader participation
that would help
> >>> with the
> >>> > >> > > accumulo
> >>> > >> > > > > > testing and mean that we could put
it into the Apache
> >>> > Incubation
> >>> > >> > > > process
> >>> > >> > > > > > -they insist on that broadness by
the time you get out
> of
> >>> > >> > incubation.
> >>> > >> > > > > >
> >>> > >> > > > > > -contact me if you want to know more
> >>> > >> > > > > >
> >>> > >> > > > > > -i'd be happy to do a remote presentation
of hoya over
> >>> google+
> >>> > >> or
> >>> > >> > > > webex.
> >>> > >> > > > > >
> >>> > >> > > > > > I'm actually trying to set up a remote-only-YARN-HUG
> group
> >>> > >> between
> >>> > >> > > the
> >>> > >> > > > > US,
> >>> > >> > > > > > EU and Asia, where we'd have remote-only
sessions in
> >>> different
> >>> > >> > > > timezones;
> >>> > >> > > > > > Hoya would be one of the topics.
> >>> > >> > > > > >
> >>> > >> > > > > >
> >>> > >> > > > > >
> >>> > >> > > > > > On 17 October 2013 20:07, Ed Kohlwey
<
> ekohlwey@gmail.com>
> >>> > >> wrote:
> >>> > >> > > > > >
> >>> > >> > > > > > > I was wondering if anyone knows
what the current
> status
> >>> of
> >>> > >> > Accumulo
> >>> > >> > > > in
> >>> > >> > > > > > Hoya
> >>> > >> > > > > > > is. We're really interested
in running Accumulo in
> Yarn
> >>> in a
> >>> > >> > > > production
> >>> > >> > > > > > > environment and helping to mature
the project to the
> >>> point
> >>> > >> that
> >>> > >> > we
> >>> > >> > > > > could
> >>> > >> > > > > > do
> >>> > >> > > > > > > so.
> >>> > >> > > > > > >
> >>> > >> > > > > > > Are the current issues mostly
around testing or are
> >>> there
> >>> > some
> >>> > >> > > known
> >>> > >> > > > > > issues
> >>> > >> > > > > > > already? Would it help to be
able to run over a large
> >>> > cluster
> >>> > >> or
> >>> > >> > is
> >>> > >> > > > > there
> >>> > >> > > > > > > some additional development
that needs to be done?
> >>> > >> > > > > > >
> >>> > >> > > > > >
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