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From "Saliya Ekanayake (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SYNAPSE-408) Improve Synapse Memory Footprint under HTTP 1.0
Date Mon, 28 Jul 2008 06:05:31 GMT

     [ https://issues.apache.org/jira/browse/SYNAPSE-408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Saliya Ekanayake updated SYNAPSE-408:
-------------------------------------

    Priority: Minor  (was: Major)

> Improve Synapse Memory Footprint under HTTP 1.0
> -----------------------------------------------
>
>                 Key: SYNAPSE-408
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-408
>             Project: Synapse
>          Issue Type: Improvement
>            Reporter: Saliya Ekanayake
>            Priority: Minor
>
> Synapse serializes the SOAP envelope in order to calculate the content length of the
message under HTTP 1.0. This serialization is done inside the class Axis2HttpRequest which
is inside the transports module. The serialized bytes are then stored in the message context
for future use by the streamMessageContents() method inside the same class.
> Thus, the entire content of the SOAP envelope is stored inside the memory leading to
a possible out of memory situation when the XML data is large. A solution to this would be
to write some of the data to a permanent storage (like hard disk) based on a threshold value.
The TemporaryData class inside the core module is a good solution to this kind of work. It
would, however, incur a cyclic dependency if used inside the Axis2HttpRequest class. 
> If we can resolve this issue (probably by moving the TemporaryData class to a utility
module and then making the core too depend on that) it will of great use in improving the
memory footprint of Synapse.

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