snichol 2002/07/30 13:32:05
Modified: java/docs changes.html
java/src/org/apache/soap/transport/http
SOAPHTTPConnection.java
Log:
Disable the Nagle algorithm on the client by default.
This dramatically decreases latency when the payload is smaller
than the TCP segment size, assuming the server platform uses
a long delayed ACK timer (typically 200 ms).
Revision Changes Path
1.34 +4 -0 xml-soap/java/docs/changes.html
Index: changes.html
===================================================================
RCS file: /home/cvs/xml-soap/java/docs/changes.html,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -r1.33 -r1.34
--- changes.html 26 Jul 2002 04:48:29 -0000 1.33
+++ changes.html 30 Jul 2002 20:32:04 -0000 1.34
@@ -49,6 +49,10 @@
DOMResult on a per-Call basis. This is on the client only.
If testing establishes that the Transform offers a significant
speed improvement, the server code may be changed as well.</li>
+ <li>Disable the Nagle algorithm on the client by default.
+ This dramatically decreases latency when the payload is smaller
+ than the TCP segment size, assuming the server platform uses
+ a long delayed ACK timer (typically 200 ms).</li>
</ul>
</li>
<li><A name="v2.3.1"><STRONG>Version 2.3.1</STRONG></A>
1.25 +5 -1
xml-soap/java/src/org/apache/soap/transport/http/SOAPHTTPConnection.java
Index: SOAPHTTPConnection.java
===================================================================
RCS file:
/home/cvs/xml-soap/java/src/org/apache/soap/transport/http/SOAPHTTPConnection.java,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -r1.24 -r1.25
--- SOAPHTTPConnection.java 9 Jul 2002 16:30:55 -0000 1.24
+++ SOAPHTTPConnection.java 30 Jul 2002 20:32:05 -0000 1.25
@@ -387,7 +387,11 @@
{
TransportMessage msg = new TransportMessage(payload, ctx, headers);
msg.save();
-
+
+ // Default to best setting for payloads smaller than TCP segment
+ // size. For larger payloads, Nagle makes no difference.
+ if (tcpNoDelay == null)
+ tcpNoDelay = Boolean.TRUE;
response = HTTPUtils.post (sendTo, msg,
timeout, httpProxyHost, httpProxyPort,
outputBufferSize, tcpNoDelay,
--
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