Thanks for this information Uwe.
- How many XML documents are you routinely storing in eXist?
- Do you ever have any stability issues? ie eXist crashing?
- What kind of load is eXist under? (how often is it queried?)
Thanks
Steve
-----Original Message-----
From: Uwe Klosa [mailto:[email protected]]
Sent: 26 November 2010 09:18
To: [email protected]
Subject: Re: [fcrepo-dev] FeSL: Replace Berkeley DB XML with a Java-friendly
XML database (FCREPO-576)
We have been using eXist as an embedded database in one project. We stored
literature lists of our university's curriculum pages in eXist. It works
very well and is really fast. I recommend to use eXist.
Uwe Klosa
On 26 November 2010 10:13, Steve Bayliss
<[email protected]> wrote:
We would like to hear about your experiences and suggestions for
Java-friendly XML databases.
At a recent committer meeting we discussed the status of FeSL AuthZ and
identified one issue in particular that needs attention before we can really
move to deprecate Fedora's old AuthZ implementation - FeSL AuthZ requires
Oracle Berkeley DBXML to run. This is a non-Java software library which
must be separately downloaded and compiled (if non-Windows), which can be a
lengthly process; and in cases there are issues with dependencies on other
libraries.
We would therefore like to implement a pure Java solution for the default
FeSL PolicyIndex - FCREPO-576. Preferably one that can be "embedded"
directly within Fedora or can be run as a separate web application in the
same container.
For this we would like your help: your knowledge and experiences of
Java-based XML databases.
Factors that we are interested in learning about are:
- ease of integration (both as "embedded" or as a standalone web
application)
- standard APIs
- stability
- scalability
- performance
- and anything else you think is relevant
We have identified a couple of active open-source candidates at this stage -
- eXist http://exist.sourceforge.net/
- BaseX http://www.inf.uni-konstanz.de/dbis/basex/
We'd be keen to learn of any other suggestions. We would be looking for a
database that is license-compatible with Fedora.
This work won't preclude continuing using Berkeley DB XML, or indeed
implementing adapters/connectors for other XML databases in the future.
Please reply either directly to the list, or add comments to FCREPO-576 -
thanks to those who have already added information and experiences about XML
databases to this JIRA issue.
Regards
Steve
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