0005784: WINDOWS ONLY: FileServlet: improve download speed

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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

Status

closed

Product Version

4.0.40

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()
  at com.caucho.network.listen.TcpSocketLink.dispatchRequest()
Additional Information This is on a 7G zip file.

WINDOWS:

Tomcat | Resin + JNI | Resin – JNI
70M/s | 18 M/s | 28M/S

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

Mantis 1.0.0rc3[^]

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