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From Dave Cottlehuber <d...@muse.net.nz>
Subject Re: Applying a custom patch when building with build-couchdb
Date Tue, 22 May 2012 10:24:24 GMT
On 22 May 2012 10:14, Paul Hirst <paul.hirst@sophos.com> wrote:

> >> I have a custom patch with increases the javascript stack quota (from
> 20M
> >> to 200M). I need this to process some of the ridiculously large
> documents I
> >> have in my database. Without it the view build fails. I've been using it
> >> since Couch 0.10. I recently built version 1.2 using build-couchdb for
> the
> >> first time, previously I was rolling my own Ubuntu packages but I
> figured
> >> build-couchdb might be easier.
> >>
> >> Is there I way I can apply custom patches when using build-couchdb?
> >
> >1.2.0 already supports this;
> >
> >Usage: couchjs [FILE]
> >
> >The couchjs command runs the Apache CouchDB JavaScript interpreter.
> >
> >The exit status is 0 for success or 1 for failure.
> >
> >Options:
> >
> >  -h          display a short help message and exit
> >  -V          display version information and exit
> >  -H          enable couchjs cURL bindings (only avaiable
> >              if package was built with cURL available)
> >  -S SIZE     specify that the interpreter should set the
> >              stack quota for JS contexts to SIZE bytes
> >
> >Report bugs at <https://issues.apache.org/jira/browse/COUCHDB>.
> >
>
> Great. It sounds like I don't need my patch. I have since found the page
> on the wiki which documents this feature. It crept into 1.1.1 without me
> noticing.
> http://wiki.apache.org/couchdb/Performance#JavaScript_View_Server
>
> Unfortunately I've now tried using this option and it doesn't help even if
> I set it to crazy sizes like 1G. I have isolated the offending document
> (22M of JSON) and have been running couchjs manually on it but I get 'out
> of memory' no matter what I do. I also tried applying my original patch but
> that didn't help either (which is good in some sense).
>
> So for the moment I have trimmed down the document and updated it in the
> database and my views are building once again. It only seems to be one
> document out of ~80 million so far and I guess sometimes life is too short.
>
> >
> >Re custom patches on build-couchdb, simplest approach is to fork, apply
> >your patch to a custom branch and then use  something like:
> >
> > rake git="git://me.github.com/couchdb.git a_fork" install=a_spoon
>
> That sounds like a good solution. I'll do that if I need my own patches in
> future.
>
> Thanks a lot (and Jason too),
> Paul.
>
> ________________________________
>
> Sophos Limited, The Pentagon, Abingdon Science Park, Abingdon, OX14 3YP,
> United Kingdom.
> Company Reg No 2096520. VAT Reg No GB 991 2418 08.
>

Hi Paul,

Can you provide a suitably redacted version of the document, privately if
reqd?

A+
Dave

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