Approach #1: Hold off on judgement of this until we have all of the Discovery
contributions merged and running. There have been a lot of modifications in
both the XMLUI & JSPUI side of things. Stability of these incarnations of
Discovery at this point is conjecture.
Approach #2: Default to off for 3.0, plan on default on for 3.1. If history
is a guide, it won't be too long until we have a 3.1 bug fix release out. This
would allow us to see what kind of stability we get over the long-term
(month++) and iron out any bugs.
Approach #3: Caution be damned, just enable the thing and trust that the
test-a-thon will catch anything important. (Since architectural components are
being introduced as part of this feature (Solr and new code that interacts with
it) I tend to not favor this approach (IMHO) because test-a-thon work-overs
don't tend to shake out up-time stability issues, i.e. cumulative bugs that
appear only after a resource leak or the like has been allowed to build up to
an error state.)
This is just off the cuff. What are some other approaches or thoughts?
--
sands fish
Senior Software Engineer
MIT Libraries
Technology Research & Development
sa...@mit.edu<mailto:sa...@mit.edu>
E25-131
On Aug 23, 2012, at 1:16 PM, Tim Donohue wrote:
Hi All,
This topic came up in yesterday's Developers Meeting, and we all felt it
worth posting to the dspace-devel list for feedback.
Question: Should Discovery (Solr search/browse) be enabled by default in
3.0?
== What would this mean? ==
It'd mean that Discovery faceted search/browse (backed by Solr) would be
the default search/browse interface in 3.0. Users would still be
welcome to disable Discovery and use the Legacy Search & Browse
mechanism (backed by Lucene & the database), and we'd provide clear
instructions on how to do so.
Discovery could be enabled by default for just XMLUI or for both XMLUI &
JSPUI (see below for more).
== Some possible "Pros" ==
* Discovery has been around since 1.6 (for XMLUI) and is becoming much
more mature
* In 3.0, Discovery will be getting even more exciting features,
including "search snippets", "hit highlighting", "more like this"
recommendations, etc. See this JIRA ticket for more details &
screenshots: https://jira.duraspace.org/browse/DS-1229
* Also, there is a high probably that in 3.0, Discovery will also be
available for the JSPUI. (Please note this hasn't officially been
decided, but the work looks promising so far based on early feedback.)
This work is being done by CILEA and is described at:
https://jira.duraspace.org/browse/DS-1217
== Some possible "Cons" ==
* The JSPUI + Discovery work is still very "young". This may mean we'd
want to closely consider whether Discovery is ready to enable by default
for JSPUI.
* Discovery does require the DSpace "solr" web application to be
installed/enabled in Tomcat. This is a separate webapp which sits
alongside "xmlui" and "jspui". So, if we enable Discovery by default, we
need to make clear in the Documentation that the "solr" webapp is needed
to make the XMLUI and/or JSPUI run properly.
What do you think? Is this worth considering for 3.0? Would you like to
see Discovery enabled by default or should we keep it disabled by default?
- Tim
--
Tim Donohue
Technical Lead for DSpace Project
DuraSpace.org
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