Author: orudyy
Date: Thu Nov 3 15:44:13 2016
New Revision: 1767909
URL: http://svn.apache.org/viewvc?rev=1767909&view=rev
Log:
QPID-7479: Change memory estimation formulas to account for worst case
scenarios when messages are persistent and TLS is used
Modified:
qpid/java/trunk/doc/java-broker/src/docbkx/runtime/Java-Broker-Runtime-Memory.xml
Modified:
qpid/java/trunk/doc/java-broker/src/docbkx/runtime/Java-Broker-Runtime-Memory.xml
URL:
http://svn.apache.org/viewvc/qpid/java/trunk/doc/java-broker/src/docbkx/runtime/Java-Broker-Runtime-Memory.xml?rev=1767909&r1=1767908&r2=1767909&view=diff
==============================================================================
---
qpid/java/trunk/doc/java-broker/src/docbkx/runtime/Java-Broker-Runtime-Memory.xml
(original)
+++
qpid/java/trunk/doc/java-broker/src/docbkx/runtime/Java-Broker-Runtime-Memory.xml
Thu Nov 3 15:44:13 2016
@@ -214,12 +214,14 @@
<para>
<informalequation>
<mathphrase>
- memory<subscript>heap</subscript> = 15 MB + 15 kB *
N<subscript>sessions</subscript> + 1 kB * N<subscript>messages</subscript> + 17
kB * N<subscript>connections</subscript>
+ memory<subscript>heap</subscript> = 15 MB + 15 kB *
N<subscript>sessions</subscript> + 1.5 kB * N<subscript>messages</subscript> +
17 kB * N<subscript>connections</subscript>
</mathphrase>
</informalequation>
+ </para>
+ <para>
<informalequation>
<mathphrase>
- memory<subscript>direct</subscript> = 2 MB + (200 B +
averageSize<subscript>msg</subscript> *2)* N<subscript>messages</subscript> +
512 kB * N<subscript>connections</subscript>
+ memory<subscript>direct</subscript> = 2 MB + (200 B +
averageSize<subscript>msg</subscript> *2)* N<subscript>messages</subscript> +
1MB * N<subscript>connections</subscript>
</mathphrase>
</informalequation>
Where <mathphrase>N</mathphrase> denotes the total number of
connections/sessions/messages on the broker. Furthermore, for direct memory
only the messages that have not been flown to disk are relevant.
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