Forum Discussion
Chris_Phillips
Nimbostratus
Nimbostratusstream + content-length + chunking
Hi,
i have an xml application for which i'm using a stream profile to do hostname rewrites. as i've seen from deb's comments on a number of posts, the resulting variance in the payload size ...
hoolio
Cirrostratus
CirrostratusIf I understand Deb's explanation of the process correctly, it's not a limitation in the rule functionality, but a limitation of the scenarios.
The stream profile is fast because it doesn't buffer all of the content. As the full content isn't being collected before the substitution is done, you don't know what the content length will be after the substitution(s) are complete. Therefore, you can't set the content-length. To resolve this you need to use chunking.
If you want to avoid chunking and set the content-length correctly, then you have to buffer the full content. This can be done with TCP/HTTP::collect, but uses more resources to do.
Aaron
