Sorry. I forgot to include that this is from the Tomcat-5.5.20 source.
On Jan 8, 2007, at 9:17 PM, Lenny Marks wrote:
I posted a long while ago about not being able to decrease the
response buffer below 8K.
http://marc.theaimsgroup.com/?l=tomcat-dev&m=109218414305332&w=2
See also:
Re: AJP/Java connector issues http://marc.theaimsgroup.com/?
l=tomcat-dev&m=111653712502047&w=2
I realize that I'm not familiar with all the low level reasons why
this is such a bad thing but IMO, it seems like a reasonable
tradeoff depending on the situation to increase the the number of
packets going across the network in favor of faster initial
response times. At the very least, I think it would be a good thing
if it was documented with the Tomcat Connector configuration for
bufferSize that the it cannot be decreased and preferably also why.
Even better if that documentation could just advise and leave the
decision up to the deployer. Actually the documentation for the
AJP connector says that the default bufferSize = -1(not buffered).
From what I can see, I don't think the setting has any effect on
the actual buffer size. I've applied the following patch for us,
but I wasn't sure why it(or something similar) would be bad for the
Tomcat code base in general. I did notice that
Connector.getBufferSize() is deprecated, however this would allow
each of the different Connector implementations to override with
their own default bufferSize values.
-lenny
Index: catalina/src/share/org/apache/catalina/connector/Response.java
===================================================================
--- catalina/src/share/org/apache/catalina/connector/
Response.java (revision 494201)
+++ catalina/src/share/org/apache/catalina/connector/
Response.java (working copy)
@@ -129,12 +129,7 @@
*/
public void setConnector(Connector connector) {
this.connector = connector;
- if("AJP/1.3".equals(connector.getProtocol())) {
- // default size to size of one ajp-packet
- outputBuffer = new OutputBuffer(8184);
- } else {
- outputBuffer = new OutputBuffer();
- }
+ outputBuffer = new OutputBuffer(connector.getBufferSize());
outputStream = new CoyoteOutputStream(outputBuffer);
writer = new CoyoteWriter(outputBuffer);
}
Lenny Marks
Software Architect
American Physical Society
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Lenny Marks
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