Dynaminc spring beans lookup limits concurrency
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Key: GEOS-4749
URL: https://jira.codehaus.org/browse/GEOS-4749
Project: GeoServer
Issue Type: Improvement
Components: Configuration
Affects Versions: 2.1.1
Reporter: Andrea Aime
Assignee: Justin Deoliveira
Fix For: 2.1.2
Attachments: GEOS-4749.patch
Profiling shows GeoServerExtensions lookup for beans by name is hitting a
synchronized block in Spring and is thus limiting concurrency under heavy load.
The attached patch builds a cache of singleton beans so that they don't need to
be looked up over and over.
The residual singleton beans also have little reason for being singletons, we
should turn them into singletons.
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