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From Luca Toscano <>
Subject Re: Async write completion broken in trunk?
Date Wed, 18 Jan 2017 13:27:23 GMT
2017-01-18 13:50 GMT+01:00 Graham Leggett <>:

> On 17 Jan 2017, at 7:40 PM, Luca Toscano <> wrote:
> > Since this email thread seems important, is there any update from
> anybody working on it? It would be great to open a bugzilla task otherwise,
> to track everything and make sure that we don't forget about it :)
> I looked at this a while back - I found that pipelining support is causing
> the blocking.
> When we’re handling pipelined requests and we reach a limit, we block.
> What we should be doing instead is looping round back to WRITE_COMPLETION,
> waiting for permission to write again. This should be reasonably
> straightforward to fix, but my financial year end is the end of this month
> so can’t look at this till February.
> I suspect pipelining support has been suppressed in v2.4.x event MPM, and
> was at some point “fixed” on trunk, bringing this problem back.
Thanks a lot for the explanation, I didn't mean to rush you but just to
ping the list to figure out if anything new came up :)


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