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From Karl Wright <>
Subject Re: Where is the poweredby list of ManifoldCF?
Date Fri, 18 Mar 2011 05:41:11 GMT
MetaCarta tests used this software to perform standard repository
crawls up to on the order of five million documents, a number which
was determined by the capacity of other components of system, not
ManifoldCF.  The behavior of the software at scale is determined by
the behavior of the underlying database.  PostgreSQL has been the only
database so tested at that scale; Derby is not recommended for
anything other than small applications at this time.  Web crawls with
hop count limitations (the most database-intensive kind of crawl) have
been done up to about 3 million documents.  For larger web crawls, hop
counting may be disabled.

Hope this helps.


On Thu, Mar 17, 2011 at 9:33 PM, Shinichiro Abe
<> wrote:
> Thank you for your useful information.
> Now, my customer is likely to use open-sourced version of ManifoldCF.
> With solr output connection and windows shares repository connection.
> And large scale repositories.
> I'm worried about the operation in this situation.
> I need to think more and test operation sufficiently.
> Shinichiro Abe
> On 2011/03/17, at 22:13, Karl Wright wrote:
>> ManifoldCF is in incubation.  Prior to incubation it was proprietary
>> software built by MetaCarta Inc.  The customer list of MetaCarta Inc
>> remains proprietary information, but I can tell you that it included
>> pretty near every major oil company and many mining companies, as well
>> as government agencies throughout the world.
>> ManifoldCF was also not considered a "primary" technology of
>> MetaCarta, so companies would likely even be unaware that they had
>> purchased it and were using it.
>> Hope this helps.
>> FWIW, I'd love to hear from others out there who are using the
>> open-sourced version of ManifoldCF within well-known companies.
>> Karl
>> On Thu, Mar 17, 2011 at 6:50 AM, Shinichiro Abe
>> <> wrote:
>>> Hello.
>>> I want to know how many users use ManifoldCF.
>>> Which connection or connector do users use?
>>> How much scale do users operate it?
>>> Please give the user list like Lucene poweredby wiki, if it exists.
>>> Regards,
>>> Shinichiro Abe

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