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Re: [xml-dev] XML aggregation question?
- From: Robert Koberg <rob@xxxxxxxxxx>
- To: xml-dev <xml-dev@xxxxxxxxxxxxx>
- Date: Sun, 27 Aug 2006 09:23:09 -0400
peter murray-rust wrote:
> At 12:26 27/08/2006, Robert Koberg wrote:
>> Hi,
>
> This is very useful and it's good that there are members of XML-DEV who
> have had experience.
Cool. I would hope any others would speak up. I claim no final
experience on the matter :)
>
>> On eXist:
>>
>> the last time I tried eXist, while testing by adding/deleting
>> documents/nodes and frequently restarting the (tomcat) webapp that
>> eXist was embedded in, somehow (???) caused thousands of
>> unidentifiable fragments to be created and added to the DB. Perhaps
>> because it was trying to save some kind of context/session info - I
>> don't know. It was discussed on the list
>
> I assume the eXist list, not here
yes
>> For your situation eXist and XMLDB are both open and free (as in
>> price). For someone who does not wish to open their source, eXist is
>> the only one that is free (as in price). I don't mind paying for
>> something, but XML databases seem to be more of a 'cross you fingers
>> and close your eyes' kind of thing. Tamino just seems way to high
>> priced - it seems like alot of money goes into their salesforce. XMLDB
>> just pissed me off, but still too high priced.
>
> The string "XMLDB" is causing problems, I think. I have found:
<snip/>
Sorry. I remembered 'XML' and and 'DB' in the Sleepycat product name and
misplaced them.
I believe this is the product we are talking about, correct?
http://www.sleepycat.com/products/bdbxml.html
(for some reason I remember the name differently...)
> This is very closely linked to SleepyCat so I begin to understand. It
> seems there may be an unmaintained, potentially out-of-date, engine on
> SF which just about meets the letter of the Open Source license, but is
> of little use and which encourages people to buy a commercial product.
No. Sleepycat's offering is Open Source and free (as in price) for
people who produce open source products.
Here is their license page:
http://www.sleepycat.com/company/licensing.html
You can always call them to verify, which is what I did. To me, they
said just open up your app and you don't have to pay, otherwise it will
cost you -- even though I wasn't distributing anything (in my
understanding of the word).
Again, you should be fine -- IANAL :)
>
> ...
> I may have confused these various databases in my mails - the names are
> sufficiently similar
>
>
>> So I have been sticking with the filesystem,
>
> Yes - I am a great believer in the filesystem as a simple database engine.
>
>> Apache's Lucene for indexing
>
> Yes
>
>> and CVS or Subversion for version control.
>
> Yes
From the code point of view, it works so nicely. Easy to develop on a
local machine just by doing a server commit and local update. Easy to
change on the server by doing a local commit and a server update (and
probably an Ant build). Same for content/metadata if necessary to change
in different locations -- just need to run a lucene update to keep the
UI experience in sync.
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