[jira] [Created] (FELIX-5987) Slow ServiceComponentRuntime with delivering ServiceReferenceDTOs

["Carsten Ziegeler (JIRA)" <ji...@apache.org>]

Carsten Ziegeler created FELIX-5987:
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             Summary: Slow ServiceComponentRuntime with delivering ServiceReferenceDTOs
                 Key: FELIX-5987
                 URL: https://issues.apache.org/jira/browse/FELIX-5987
             Project: Felix
          Issue Type: Improvement
          Components: Declarative Services (SCR)
    Affects Versions: scr-2.1.14, scr-2.1.12, scr-2.1.10, scr-2.1.8
            Reporter: Carsten Ziegeler
             Fix For: scr-2.1.16


Since the 2.1.8 we switched the DTO generation in the runtime service to use the ServiceReferenceDTO from the framework instead of duplicating that logic. However, as the framework only provides a method to get all ServiceReferences for a bundle, this results in a huge drop in performance within the DTO generation. This gets even worse if a set of DTOs is to be generated, as each time the framework is asked for all DTOs of a bundle.
As there is no other way to get the ServiceReferenceDTO from the framework, the service runtime should probably cache the information; 



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