Hi,
I've found that enabling any option (touch-reopen, log-maxsize, or just
log-master) that enables master logging causes a significant change in the
way that uWSGI handles application startup logs. Instead of line buffering,
the startup log is fully buffered and appears to be truncated at 32KB.
log-master-bufsize can increase this limit up to 64KB but does not seem to
go higher - and my reading on log-max-bufsize suggests it's only supposed
to be the tunable parameter for the size of a single message anyway. Is the
worker end of the log pipe buffering output from the application and
sending it as a single message?
The application I work with is large and loads a huge number of components,
and as such, the startup log is very large, and unfortunately, unless I
disable master logging, almost all of this is lost.
I've created a very simple example to reproduce the truncation:
https://gist.github.com/natefoo/7c9c072e4e46225028f8
Thanks,
--nate
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