embedded On Wednesday, January 10, 2024 at 1:32:52 PM UTC-6 Graham Dumpleton wrote:
> Are you using mod_wsgi embedded mode or daemon mode? > > Graham > > On 11 Jan 2024, at 2:44 am, Greg Popp <pop...@gmail.com> wrote: > > Hello! > > My version of mod_wsgi is running on a Centos-7 system and is at version > 3.4, (I know - very old) with python 2.7 > > I have been using mod_wsgi for a python application that runs a > command-line program and marshals the output of the command line program > back to an http client. The data being sent is binary and can be tens of > gigs in size. > > This app is "unconventional", in that it calls 'write' directly, instead > of returning an iterable. The problem I have had recently, is that some > clients are slow to read the data and the TCP buffer gets filled up. When > this happens, the next call to write on a full buffer causes a "failed to > write data" exception (which I trap) but if I try again to send the data I > get "client connection closed". > > Is there some config setting or methodology I can use to alleviate this > issue? In other words, some way to back off and wait for the buffer to > drain sufficiently to resume sending the data? OR - is there some way to > get the current size (fullness) of the TCP write buffer on the connected > socket? (Something like what you see from the 'ss' command line utility > "Send-Q" column). If I could tell how full it is and what the max size is, > I could implement a sleep/retry cycle of some kind. > > I have looked - even in the source code - but haven't been able to figure > it out if there is a way to achieve this. Thanks in advance, for your > attention. > > > > -- > You received this message because you are subscribed to the Google Groups > "modwsgi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to modwsgi+u...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/modwsgi/3d97c06f-38ff-4345-af2f-eb86c2ef204cn%40googlegroups.com > > <https://groups.google.com/d/msgid/modwsgi/3d97c06f-38ff-4345-af2f-eb86c2ef204cn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- You received this message because you are subscribed to the Google Groups "modwsgi" group. To unsubscribe from this group and stop receiving emails from it, send an email to modwsgi+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/modwsgi/9fc6ab3e-b791-4503-a3c0-20ba273b92bdn%40googlegroups.com.
