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18:47, 13 November 2009
Added submission by Alexander O'Neill
* Peter Murray, OhioLINK, peter@OhioLINK.edu
== Adding Solr-based Search to Evergreen's OPAC ==
* Alexander O'Neill, Robertson Library, University of Prince Edward Island, firstname.lastname@example.org
The current way the Evergreen OPAC searches records is to use it's database back-end's search system, with heavy use of caching layers to compensate for the relatively long wait to perform a new search.
It is still possible to use Evergreen's OpenSRF messaging system to get live information about each book's current availability status without having to push all of this information into the Solr index.
I will show how I used SolrMarc to import records from Evergreen, taking advantage of the fact that the VuFind and Blacklight projects have collaborated to create a general import utility that is usable by third-party projects. I will discuss some of the hurdles I encountered while using SolrMarc and the resulting changes to SolrMarc's design that this use case helped to motivate.
I'll also make an effort to take measurements of performance when hosting both Solr and Evergreen on the same server compared with putting Solr on a separate server. It will also be informative to see how much of an Evergreen server's system load is devoted to processing user searches.
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