Re: [GeoNetwork-devel] CFV: Proposal: Performance Enhancements for supporting larger catalogs (10s or 100s of thousands of records)

[Jeroen T. <Jer...@ge...>]

Hi Simon,

Excellent work! Congrats to all participants and to you to pull it all together!

+1 from me.
Ciao,
Jeroen

On 29 mrt 2010, at 11:54, <Sim...@cs...> <Sim...@cs...> wrote:

> Dear PSC members,
> 
> Proposal to apply performance enhancements to GeoNetwork trunk (2.5 Unstable) for supporting larger catalogs (10s or 100s of thousands of records) is available at:
> 
> http://trac.osgeo.org/geonetwork/wiki/PerformanceEnhancements2
> 
> A patch is attached to the proposal.
> 
> Effects of this proposal in brief for users of larger catalogs:
> 
> - speed up startup time
> - speed up index building used by massive ops, harvesters, csw transaction, rebuild index, group delete, category delete, bulk import
> - speed up returning search result to user (for large result sets) by introducing configurable limit on number of results used in search summary builder
> 
> Other effects:
> 
> - postgis can be specified as a gast database option and will then be used for spatial index (by CSW spatial searches) - adapted from work of Jessie Eichar
> - system admin can configure the maximum size of 'select all' in Administration>System Configuration
> - system admin can configure how often the background lucene optimizer task runs in Administration>System Configuration
> - optimize lucene index now operation in Administration menu
> 
> Not related to Performance Enhancements but in the patch:
> 
> - elementName support introduced for CSW
> 
> Jar updates:
> 
> geotools 2.6.2
> lucene 2.9.2
> geoapi 2.3
> 
> Thanks to all contributors to this patch - especially Jose Garcia and Francois-Xavier Prunayre!
> 
> Cheers,
> Simon
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