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Posted to c-dev@axis.apache.org by "Manjula Peiris (JIRA)" <ji...@apache.org> on 2008/02/12 07:06:08 UTC
[jira] Commented: (AXIS2C-862) Sending big binary data fails
[ https://issues.apache.org/jira/browse/AXIS2C-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12567974#action_12567974 ]
Manjula Peiris commented on AXIS2C-862:
---------------------------------------
In the current implementation it reallocates the whole buffer when ever it reads from the stream. I changed the current logic to first allocates a large buffer and read whole message to it. Then I removed most of the AXIS2_MALLOC calls and instead kept pointers for those in the buffer.(New source code is attached). For example in the new logic it uses new buffers to keep the soap_body_str and to keep the mime_binary. All the other in between memory allocations has being removed. I think we can't reduce memory usage in the mime_parse_parse method than this. (even with a array of buffer approach) .
The results are quite promising. With Apache2 current implementation uses around 1100MB to process a 40MB attachment. But with the modification it uses around 400MB. I don't think we can reduce this any more from Axis2.
But the problem is httpd does not release the acquired memory. So even with this fix the server cannot handle more than 10 requests. Previously it is 2. Solution for this is to use our own apr_allocator. But Sandesah2/C have problems with this.
> Sending big binary data fails
> -----------------------------
>
> Key: AXIS2C-862
> URL: https://issues.apache.org/jira/browse/AXIS2C-862
> Project: Axis2-C
> Issue Type: Bug
> Environment: Ubuntu 7.04
> Reporter: Lahiru Gunathilake
> Assignee: Manjula Peiris
>
> I used mtom sample in Axis2c.And i tried to send a file which is a size of 1GB.In client side it give this soap fault.
> I used this command to run mtom sample
> ./mtom http://localhost:8080/axis2/services/mtom resources//VTS_01_1.VOB
> <ns1:mtomSample xmlns:ns1="http://ws.apache.org/axis2/c/samples/mtom"><ns1:fileName>test.jpg</ns1:fileName><ns1:image><xop:Include href="cid:1.7796d028-b90c-1dc1-3797-0019d1a2067f@apache.org" xmlns:xop="http://www.w3.org/2004/08/xop/include"/></ns1:image></ns1:mtomSample>
> Recieved Fault : <soapenv:Fault><faultcode>env:Sender</faultcode><faultstring>NULL parameter was passed when a non NULL parameter was expected</faultstring><detail><EchoServiceError/></detail></soapenv:Fault>
> In server side It gives this output
> Echo client ERROR: attachment is missing.
> I've done the samething giving file which have the size of 700MB.It works fine with simple axis server.
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