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Date: Tue, 27 Sep 2011 19:10:18 -0400
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Subject: Re: Minimum Erlang Libraries for CouchDB
From: Robert Jones <rjones@salientsystems.com>
To: user@couchdb.apache.org
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Thanks!  That was just the pointer I needed.

Rob

On Tue, Sep 27, 2011 at 5:26 PM, Dale Harvey <dale@arandomurl.com> wrote:

> We recently changed to not launch like this, but
>
>
> https://github.com/couchbase/Android-Couchbase/blob/35ae580f5c57d56b4f4cc927e68a63c4dca5dd2a/src/com/couchbase/android/CouchbaseService.java#L225
>
> is how it booted via erlexec
>
> Cheers
> Dale
>
> On 27 September 2011 22:02, Robert Jones <rjones@salientsystems.com>
> wrote:
>
> > What's the trick for launching directly using erlexec?  I basically used
> > the
> > Android-Couchbase-SourceBuild as a framework, but I stripped out all the
> > Android references and plugged in my own tools as necessary.
> >
> > Now I've come to the rather embarrassing conclusion that I don't know how
> > to
> > attempt to launch this thing.  I suspect the following line from my
> > couchdb_wrapper script is the key, but what should the arguments be?  I
> > guess my question is, how do I launch an OS process with erlexec, and how
> > can I get that process to be couchdb?
> >
> > exec $BINDIR/erlexec $@
> >
> > On Sat, Sep 24, 2011 at 8:48 PM, Dale Harvey <dale@arandomurl.com>
> wrote:
> >
> > > Hey
> > >
> > > The relevant files in the Android build is
> > >
> > >
> > >
> >
> https://github.com/couchbase/Android-Couchbase-SourceBuild/blob/master/build.final
> > >
> > > on android we strip away a lot of couch and erlangs boot files so you
> > might
> > > not want to do that, we launch directly with erlexec, one of the easy
> > > savings is to strip debug symbols from all the beam files, that reduced
> > the
> > > beams by around a half
> > >
> > >
> > >
> >
> https://github.com/couchbase/Android-Couchbase-SourceBuild/blob/master/build.final#L199
> > >
> > > The current android build (in a compressed archive) is 4.5MB
> > >
> > > Cheers
> > > Dale
> > >
> > > On 25 September 2011 00:37, Paul J. Davis <paul.joseph.davis@gmail.com
> > > >wrote:
> > >
> > > > I can't point you at anything specific, but the two places I would
> look
> > > are
> > > > at the BigCouch `make dist` command as well as what Dale Harvey has
> > been
> > > > cooking up for the Android port. Both should be as minimal of an
> > install
> > > as
> > > > possible. I think Dale's probably got the list as small as possible
> for
> > > the
> > > > time being since he's been operating under similar "make it as small
> as
> > > > possible" constraints as I imagine you'd need.
> > > >
> > > > URLs of note:
> > > >
> > > > https://github.com/couchbase/Android-Couchbase
> > > > https://github.com/cloudant/bigcouch
> > > >
> > > >
> > > >
> > > > On Saturday, September 24, 2011 at 6:11 PM, Robert Jones wrote:
> > > >
> > > > > My evil plan is to use CouchDB on a semi-embedded platform. I'd
> like
> > to
> > > > > conserve space by only installing the Erlang libraries necessary to
> > > > support
> > > > > CouchDB. I've not been able to locate this information. I'm not an
> > > Erlang
> > > > > developer...yet. If I have to dig in, I will.
> > > > >
> > > > > So, does anyone have experience with this, and if so, what did you
> > > find?
> > > > >
> > > > > I'm using Erlang R14B03 and CouchDB 1.1.0 on Linux.
> > > > >
> > > > > I'm also interested in general advice for embedding Erlang/CouchDB.
> > > > >
> > > > > Thanks,
> > > > > Rob
> > > > >
> > > > > --
> > > > > Robert Jones
> > > > > Technical Lead, Software Development
> > > > >
> > > > > L.B. Foster Company - Salient Systems
> > > > > 4393-K Tuller Rd
> > > > > Dublin, OH 43017-5008
> > > > > phone: (614) 792-5800 EX 4636
> > > > > fax: (614) 792-5888
> > > > > email: rjones@salientsystems.com (mailto:rjones@salientsystems.com
> )
> > <
> > > > your%20name@salientsystems.com (mailto:20name@salientsystems.com)>
> > > > >
> > > > > website: www.lbfoster.com (http://www.lbfoster.com)
> > > > > NASDAQ Ticker Symbol: FSTR
> > > >
> > > >
> > >
> >
> >
> >
> > --
> > Robert Jones
> > Technical Lead, Software Development
> >
> > L.B. Foster Company - Salient Systems
> > 4393-K Tuller Rd
> > Dublin, OH  43017-5008
> > phone: (614) 792-5800  EX 4636
> > fax: (614) 792-5888
> > email: rjones@salientsystems.com <your%20name@salientsystems.com>
> >
> > website:  www.lbfoster.com
> > NASDAQ Ticker Symbol: FSTR
> >
>


-- 
Robert Jones
Technical Lead, Software Development

L.B. Foster Company - Salient Systems
4393-K Tuller Rd
Dublin, OH  43017-5008
phone: (614) 792-5800  EX 4636
fax: (614) 792-5888
email: rjones@salientsystems.com <your%20name@salientsystems.com>

website:  www.lbfoster.com
NASDAQ Ticker Symbol: FSTR

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