2017-01-18 13:50 GMT+01:00 Graham Leggett <[email protected]>: > On 17 Jan 2017, at 7:40 PM, Luca Toscano <[email protected]> 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 :)
Luca
