[ejabberd] -shared

Matthew Reilly matthew.reilly at sipphone.com
Fri Sep 15 03:27:42 MSD 2006

To allow the -shared option, you can edit erts/Makefile (under the OTP
source dir) and set:


There is another option -hybrid (which should be built by default except
for Windows, VxVorks, and OSE) that tries to get some of the same
benfits by having per-process heaps as well as a shared heap.

I've never done much experimenting though with either of these options,
except when I've tried -hybrid on a web server Erlang project, erlang
would sometimes crash when doing garbage collection. I had a C port
driver in this case, so I don't know if it was something that I did.

On Thu, 2006-09-14 at 16:11 -0700, Simon Yeo wrote:
> So what is the deal with the "-shared" option?  There doesn't seem to be
> much documentation on it.  We had it on when we were running erlang R11B
> without really knowing whether it benefited us or not.  
> But now that we've downgraded erlang to R10B, ejabberd no longer starts
> up when I add the -shared option.  So we're running without the option
> now.  Any ideas?
> Thanks,
> --simon
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Matthew Reilly
matthew.reilly at sipphone.com
Gizmo Project name: matt 

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