buffer chains optimisation
François Battail
fb at francois.battail.name
Fri Apr 25 22:31:11 MSD 2008
Chavelle Vincent <lists at ...> writes:
> I read the guide about the Nginx module development and I don't find any
> description about how buffer chains are processed. For example, I send a
> file line by line and I would like to know if it's optimized to create
> one buffer (ngx_buf_t) and one chain (ngx_chain_t) for each line or to
> concatenate entire document and send it with only one buffer/chain.
One buffer and one chain is OK. You can use a static string to setup a buffer
(without copying) or a dynamically allocated string (via the pool of memory
automagically freed when the request is done); that way you can mix buffers in a
chain with different kind of data. So in your case one buffer for the entire
document should be a good approach.
Best regards.
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