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https://issues.apache.org/jira/browse/OPENEJB-1444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419700#comment-13419700
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David Blevins commented on OPENEJB-1444:
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Also noted in OPENEJB-1434 and OPENEJB-1436 to affect:
./openejb-3.1.4-src/server/openejb-webadmin/src/main/java/org/apache/openejb/webadmin/httpd/HttpResponseImpl.java
line : 332
> Copying data from inputStream to OuputStream needs appropriate buffer size
> --------------------------------------------------------------------------
>
> Key: OPENEJB-1444
> URL: https://issues.apache.org/jira/browse/OPENEJB-1444
> Project: OpenEJB
> Issue Type: Bug
> Components: container system
> Affects Versions: 3.1.4
> Reporter: Xiaoming Shi
>
> In the file:
> ./openejb-3.1.4-src/container/openejb-loader/src/main/java/org/apache/openejb/loader/FileUtils.java
> line:149
> It uses a fixed buffer size as 4096.
> To copy 10M data with 1024-byte buffer it takes 338,591,180 nano-second,
> while it takes 105,384,689 nano-second with a 10240-byte buffer.
> This is similar to the Apache Bug
> https://issues.apache.org/bugzilla/show_bug.cgi?id=32546
> Similar code can be found in the files:
> ./openejb-3.1.4-src/container/openejb-core/src/main/java/org/apache/openejb/util/JarExtractor.java
> ./openejb-3.1.4-src/container/openejb-core/src/main/java/org/apache/openejb/util/JuliLogStreamFactory.java
> ./openejb-3.1.4-src/container/openejb-core/src/main/java/org/apache/openejb/util/Log4jLogStreamFactory.java
> ./openejb-3.1.4-src/container/openejb-core/src/main/java/org/apache/openejb/util/Pipe.java
> ./openejb-3.1.4-src/container/openejb-javaagent/src/main/java/org/apache/openejb/javaagent/Agent.java
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