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ID Category Severity Reproducibility Date Submitted Last Update
0005784 [Resin] minor always 08-04-14 10:52 09-08-14 10:25
Reporter alex View Status public  
Assigned To ferg
Priority normal Resolution fixed Platform
Status closed   OS
Projection none   OS Version
ETA none Fixed in Version 4.0.41 Product Version 4.0.40
  Product Build
Summary 0005784: WINDOWS ONLY: FileServlet: improve download speed
Description On big file before the download starts we spend considerable amount of time building CRC64.
- After the download starts the profile is below

92.763% 29.800s 92.763% JniSocketImpl.writeNative(

at com.caucho.vfs.JniSocketImpl.writeNative()
  at com.caucho.vfs.JniSocketImpl.write()
  at com.caucho.vfs.JniStream.write()
  at com.caucho.vfs.WriteStream.nextBuffer()
  at com.caucho.server.http.HttpResponseStream.writeNextBufferImpl()
  at com.caucho.server.http.ResponseStream.writeNextBuffer()
  at com.caucho.server.http.ResponseStream.nextBuffer()
  at com.caucho.vfs.Path.writeToStream()
  at com.caucho.server.http.HttpResponseStream.sendFile()
  at com.caucho.servlets.FileServlet.service()
  at com.caucho.server.dispatch.ServletFilterChain.doFilter()
  at com.caucho.server.webapp.WebAppFilterChain.doFilter()
  at com.caucho.server.webapp.AccessLogFilterChain.doFilter()
  at com.caucho.server.dispatch.ServletInvocation.service()
  at com.caucho.server.http.HttpRequest.handleRequest()
Additional Information This is on a 7G zip file.


Tomcat | Resin + JNI | Resin JNI
70M/s | 18 M/s | 28M/S
Steps To Reproduce
Additional Information
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- Issue History
Date Modified Username Field Change
08-04-14 10:52 alex New Issue
09-08-14 10:25 ferg Assigned To  => ferg
09-08-14 10:25 ferg Status new => closed
09-08-14 10:25 ferg Resolution open => fixed
09-08-14 10:25 ferg Fixed in Version  => 4.0.41

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