Author: kwall
Date: Mon Oct 13 16:32:20 2014
New Revision: 1631460
URL: http://svn.apache.org/r1631460
Log:
QPID-6108: [Java Broker Documentation] Add statement that message compression
is not yet supported on 1.0.
Modified:
qpid/trunk/qpid/doc/book/src/java-broker/Java-Broker-Runtime-Message-Compression.xml
Modified:
qpid/trunk/qpid/doc/book/src/java-broker/Java-Broker-Runtime-Message-Compression.xml
URL:
http://svn.apache.org/viewvc/qpid/trunk/qpid/doc/book/src/java-broker/Java-Broker-Runtime-Message-Compression.xml?rev=1631460&r1=1631459&r2=1631460&view=diff
==============================================================================
---
qpid/trunk/qpid/doc/book/src/java-broker/Java-Broker-Runtime-Message-Compression.xml
(original)
+++
qpid/trunk/qpid/doc/book/src/java-broker/Java-Broker-Runtime-Message-Compression.xml
Mon Oct 13 16:32:20 2014
@@ -22,19 +22,19 @@
<section id="Java-Broker-Runtime-Message-Compression">
<title>Message Compression</title>
- <para>The Java Broker supports message compression. This feature works in
co-operation with
- Qpid Clients implementing the same feature.</para>
+ <para>The Java Broker supports<footnote><para>Message compression is not yet
supported for the 1.0
+ protocol.</para></footnote> message compression. This feature works in
co-operation with Qpid
+ Clients implementing the same feature.</para>
<para>Once the feature is enabled (using Broker context variable
<emphasis>broker.messageCompressionEnabled</emphasis>), the Broker will
advertise support for the
message compression feature to the client at connection time. This allows
clients to opt to turn
on message compression, allowing message payload sizes to be reduced.</para>
- <para>If the Broker has connections from client who have message compression
enabled and other who
- do not, it will internally, on-tyhe-fly, decompress compressed messages when
sending to clients
- without support and conversely, compress uncomressed messages when sending
to clients who support
- it.</para>
+ <para>If the Broker has connections from clients who have message compression
enabled and others who
+ do not, it will internally, on-the-fly, decompress compressed messages when
sending to clients
+ without support and conversely, compress uncomressed messages when sending
to clients who do.</para>
<para>The Broker has a threshold below which it will not consider compressing
a message, this is
controlled by Broker content variable
- (<literal>connection.messageCompressionThresholdSize</literal>).</para>
+ (<literal>connection.messageCompressionThresholdSize</literal>) and
expresses a size in bytes.</para>
<para>This feature <emphasis>may</emphasis> have a beneficial effect on
performance by:</para>
<itemizedlist>
<listitem>
@@ -42,7 +42,8 @@
in the HA case, Broker to Broker, for replication purposes.</para>
</listitem>
<listitem>
- <para>Reducing storage space when data is at rest within the Broker, both
on disk and in memory.</para>
+ <para>Reducing storage space when data is at rest within the Broker, both
on disk and in
+ memory.</para>
</listitem>
</itemizedlist>
<para>Of course, compression and decompression is computationally expensive.
Turning on the feature
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
