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Subject: Re: notes from first-time user on Ubuntu 12.04
From: Matei Zaharia <matei@eecs.berkeley.edu>
In-Reply-To: <3CC450FF-34F2-4E88-AB63-D2D67204EC77@cs.brown.edu>
Date: Wed, 1 Aug 2012 20:04:49 -0400
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References: <3CC450FF-34F2-4E88-AB63-D2D67204EC77@cs.brown.edu>
To: mesos-user@incubator.apache.org,
 mesos-dev <mesos-dev@incubator.apache.org>

Hi Andrew,

We actually use mesos-dev for all the Mesos discussions -- didn't know =
that mesos-user even worked! But anyway thanks for the comments, this is =
really useful.

Matei

On Aug 1, 2012, at 7:56 PM, Andrew Ferguson wrote:

> hi,
>=20
> (not sure if this is a "real" mailing list yet :-)
>=20
> I just wanted to write down a few notes for other first-time users on =
Ubuntu 12.04. I was following https://github.com/mesos/mesos/wiki/
>=20
> - while the wiki lists packages for redhat, the corresponding ubuntu =
packages are "libcppunit-dev" and "python-dev". you also need "autoconf" =
and "libtool"  (maybe only when building from svn)
>=20
> - In the 0.9 release, one needs to change src/scripts/killtree.sh to =
use /bin/bash instead of /bin/sh (I see this is already fixed in trunk. =
nice!)
>=20
> - to get "src/test-framework" to run, I had to copy =
src/.libs/libmesos-0.9.0.so to /usr/lib by hand (I hadn't done 'make =
install' or anything -- I was just running from a local directory, as =
the wiki directions walk you through). The Java and Python frameworks =
work like a charm.   I imagine it's libtool's responsibility to make =
this "just work"? sorry I didn't manage to debug this on my own.
>=20
>=20
> also, out of curiosity, when the test-framework was failing (because =
it couldn't find the library), its tasks just sat in the TASK_STAGING =
state -- would they eventually timeout? also, it seems a little strange =
that they're in TASK_STAGNING and not TASK_FAILED or something like =
that, but I'm new to Mesos. :-)
>=20
>=20
> kudos on all the hard work!
>=20
>=20
> cheers,
> Andrew
>=20
>=20
> PS -- a few more log details. here's a snip my Mesos slave:
>=20
> I0801 16:35:15.350121 17190 slave.cpp:436] Got assigned task 4 for =
framework 20120801163516842879-5050-17155-0000
> I0801 16:35:15.350195 17190 slave.cpp:1484] Generating a unique work =
directory for executor 'default' of framework =
20120801163516842879-5050-17155-0000
> I0801 16:35:15.350390 17190 slave.cpp:501] Using =
'/tmp/mesos/slaves/20120801163516842879-5050-17155-0/frameworks/2012080116=
3516842879-5050-17155-0000/executors/default/runs/1' as work directory =
for executor 'default' of framework 20120801163516842879-5050-17155-0000
> I0801 16:35:15.396283 17193 process_based_isolation_module.cpp:91] =
Launching default (/home/adf/mesos/mesos-0.9.0/src/.libs/test-executor) =
in =
/tmp/mesos/slaves/20120801163516842879-5050-17155-0/frameworks/20120801163=
516842879-5050-17155-0000/executors/default/runs/1 with resources ' for =
framework 20120801163516842879-5050-17155-0000
> I0801 16:35:15.396702 17193 process_based_isolation_module.cpp:114] =
Forked executor at 17257
> I0801 16:35:16.343758 17191 process_based_isolation_module.cpp:207] =
Telling slave of lost executor default of framework =
20120801163516842879-5050-17155-0000
> I0801 16:35:16.343873 17192 slave.cpp:1307] Executor 'default' of =
framework 20120801163516842879-5050-17155-0000 has exited with status =
127
>=20
>=20
> then, if we look at the stderr for the file the above log snippet =
references:
>=20
> $ cat =
/tmp/mesos/slaves/20120801163516842879-5050-17155-0/frameworks/20120801163=
516842879-5050-17155-0000/executors/default/runs/1/stderr=20
> /home/adf/mesos/mesos-0.9.0/src/.libs/test-executor: error while =
loading shared libraries: libmesos-0.9.0.so: cannot open shared object =
file: No such file or directory
>=20