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Revision 3612

Added by walbridge over 16 years ago

Updated change log to include additions for 1.8 release

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README
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              Will Tyburczy (tyburczy@ecoinformatics.org)
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              Matthew Perry (perry@nceas.ucsb.edu)
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              Chad Burt (underbluewaters@gmail.com)
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              Ben Leinfelder (leinfelder@nceas.ucsb.edu)
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              Chris Barteau (barteau@nceas.ucsb.edu)
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              Shaun Walbridge (walbridge@nceas.ucsb.edu)
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Patch contributors:


  		




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              Andrea Chadden (chadden@nceas.ucsb.edu)


  		




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Release Notes for 1.8:


  		




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------------------------


  		




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The major focus of this release is the improvement of query performance. The 


  		




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selection query and access control query were modified to make SQL query executed 


  		




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more efficiently.  In order to get better performance, query cache mechanism was 


  		




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introduced to Metacat. Currently cached query mechanism only supports public user.


  		




  
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This release focuses on improving query performance.  Both the selection 


  		




  
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and access control queries were rewritten to execute efficiently.


  		




  
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To improve search performance, a query caching mechanism was introduced. 


  		




  
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Cached queries are currently supported only for public users.


  		




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New Features:


  		




  
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* Data registries now support uploading of data objects along with data 


  		




  
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  packages (Bug 1982)


  		




  
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Bug Fixes:


  		




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* Metacat Performace: Rewrite the xml_nodes queries (Bug 2155)


  		




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* Metacat Performace: Rewrite the xml_access part of the query (Bug 2557)


  		




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 * Metacat Performance: Optimize Postgres and Tomcat (Bug 2157)


  		




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* Metacat Performace: Upgrading hardware setup (Bug 2175)


  		




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* Metacat Performace: Add/drop indices on key columns (Bug 2153)


  		




  
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* Display of metadata documents reorganized, including a new citation format,


  		




  
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  obvious download options, and a redesigned data table layout (Bug 2832)


  		




  
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* NCEAS skin redesigned to use IFRAME-less layout, match new website.


  		




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Compatibility Notices:


  		




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* Tomcat 3 and 4 are no longer tested or supported. Users are 


  		












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