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

Platform

Status

closed

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()
  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

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

Mantis 1.0.0rc3[^]

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