Ok Willy, thanks a lot! So far 1.4.13 is really rocking. Cheers.
On Mar 22, 2011, at 6:32 AM, Willy Tarreau wrote: > Hi Pedro, > > On Mon, Mar 21, 2011 at 11:56:23PM +0000, Pedro Mata-Mouros Fonseca wrote: >> Greetings, >> >> We had an issue with 1.3.18 that pushed us to update HAProxy's version to >> the latest stable on the 1.4 branch. After almost two days, it seems the >> update solved this, so I'm guessing a bug was somewhere along the line. >> >> The issue was on a POST file upload to a backend, where HAProxy would send >> several segments of the file and receive ACKs as it went along, but then >> suddenly it stopped sending more segments to the backend (don't know now if >> it happened only on the last segment or not). After this stall, "timeout >> server" would kick in and a 504 would be returned to the client. Right after >> "timeout server" got triggered, the rest of the file was then sent to the >> backend successfully. >> >> I don't want to waste anybody's time, but I'd really love to know what >> happened. Going through the changelogs I found the following, but I don't >> really know if this was the bug or what was the underlying cause: >> >> 1.3.19/1.4-dev1 => [BUG] fix random pauses on last segment of a series >> >> Does anyone know/remember this issue and what was causing it? > > In theory, it was different, it would only delay the last data chunk. > However, it's possible that if the last chunk was also the first one, > then it would have caused that issue, I can't be certain. Anyway, > 1.3.18 was quite old, and a number of fixes has been issued since ! > > Regards, > Willy > >
