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https://issues.apache.org/jira/browse/WINK-115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryant Luk updated WINK-115:
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Patch Info: [Patch Available]
> Add caching to MediaTypeMap.getProvidersbyMediaType()
> ------------------------------------------------------
>
> Key: WINK-115
> URL: https://issues.apache.org/jira/browse/WINK-115
> Project: Wink
> Issue Type: Improvement
> Components: Common
> Affects Versions: 0.1
> Reporter: Nick Gallardo
> Assignee: Nick Gallardo
> Fix For: 0.2
>
> Attachments: WINK-115.patch
>
>
> Calls to MediaTypeMap.getProvidersByMediaType() are expensive, and happen a
> multiple times per invocation. Profiling the runtime shows this as one of
> the major time blocks in successive get() calls.
> Once we've done the work to define a mapping between the MediaType and the
> parameter class, we can cache that content so we don't have to do the same
> level of processing again. One way to cache would be to build a Matrix of
> MediaTypes to Class type mappings. So, for every MediaType, we can lookup a
> particular parameter class type and find the cached list of providers that
> apply to that type.
> Caching this content results in at least 10% performance improvement.
> Working on a patch for this one. Still trying to workout the caching scheme
> exactly.
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