will NGX_AGAIN kill performance?
agentzh at gmail.com
Sun Sep 25 07:23:36 UTC 2011
On Sat, Sep 24, 2011 at 10:47 PM, Abioy Sun <abioy.sun at gmail.com> wrote:
> i currently dev a module which makes multi subrequest sequently in the
> access phase handler, via returning NGX_AGAIN.
> my question is, will this kill the performance? and how far could it go in
> killing performance.
NGX_AGAIN is usually for non-blocking I/O operations, it's key for
good performance under high concurrency levels.
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