DSpace/DSpace — pull request #69 by KevinVdV (2012-08-20 10:09:52+00:00)
Title: [DS-1243] @mire solr statistics contribution

The Solr based statistics, originally contributed by @mire, will receive the following features & improvements in the new release:
* Upgrade to solr/lucene 3.5
* Sharding of the solr statistics index to one solr core for each year
** This will enhance the performance
** Changes to the Solr database will only be committed to the current year solr core
** Existing installations can be migrated easily to the sharded deployment
* Statistical information on the workflow. Both the old static workflow and the new configurable workflow are supported
** Tracking the frequency of executing workflow tasks
** Includes filters over time, by community/collection
* Statistical information on searches & search results
** Popular search terms, their number of occurrence and the ratio to the total search terms will be logged and displayed
** Includes filters over time, or by community & collection
** Statistics also track the number of item views per search term