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From "Alessio Soldano (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CXF-6739) Reduce memory pressure in org.apache.cxf.attachment.AttachmentDeserializer
Date Fri, 08 Jan 2016 12:28:39 GMT
Alessio Soldano created CXF-6739:
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             Summary: Reduce memory pressure in org.apache.cxf.attachment.AttachmentDeserializer
                 Key: CXF-6739
                 URL: https://issues.apache.org/jira/browse/CXF-6739
             Project: CXF
          Issue Type: Improvement
          Components: Core
            Reporter: Alessio Soldano
            Assignee: Alessio Soldano
             Fix For: 3.0.0


Back in 2013, the api (now core) went through a major refactoring to remove direct dependency
to javax.mail: https://github.com/apache/cxf/commit/6ae8f4afe219581938c0020612212faa3e770064
Custom code for attachment deserialization was added, but unfortunately that seems to be writing
a lot of byte[] to the memory, because of a lot of String instances being created for parsing
the attachment inputstream into the headers TreeMap. The process could be optimized to avoid
useless string / byte[] copies. It also seems that the special handling of lines starting
with spaces there is over complicated and covering a condition that can never be true.



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