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https://issues.apache.org/jira/browse/CXF-2544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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aaron pieper updated CXF-2544:
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Attachment: CxfBug1.java
This is a test case which demonstrates the performance degradation. It needs
apache commons-io.jar on the classpath, for IOUtils.copy(). File.
Executing this test case results in the following output, in CXF v2.2.4:
8,193.82 kb file created: C:\DOCUME~1\piepera\LOCALS~1\Temp\cxf.CxfBug18256
9.75 seconds
Done.
CXF 2.2.2 produces the following output:
8,193.82 kb file created: C:\DOCUME~1\piepera\LOCALS~1\Temp\cxf.CxfBug19656
1.078 seconds
Done.
> Performance degradation in attachment logic in CXF 2.2.4
> --------------------------------------------------------
>
> Key: CXF-2544
> URL: https://issues.apache.org/jira/browse/CXF-2544
> Project: CXF
> Issue Type: Bug
> Affects Versions: 2.2.4
> Reporter: aaron pieper
> Attachments: CxfBug1.java
>
>
> AttachmentDeserializer attaches a DelegatingInputStream to the message, which
> contains the attachment body. The performance of this InputStream has been
> significantly degraded from CXF 2.2.2 to CXF 2.2.4. For example, a 55
> megabyte file used to take around three seconds to parse - now it takes over
> one minute.
> I've attached a performance test which demonstrates the issue, using an 8
> megabyte file. In CXF v2.2.2, this test takes a fraction of a second to run.
> In CXF v2.2.4, this test takes about 10 seconds on my machine.
> I tried to track down the cause of the degradation. AttachmentDeserializer
> line 206 calls "new InternetHeaders(stream)" which takes a long time to
> complete. Since CXF v2.2.2 and CXF v2.2.4 use the same version of this
> InternetHeaders class, I believe it must be a change in the way the stream is
> being put together.
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