Re: Performance monitor signal handler - Mailing list pgsql-hackers

From Jan Wieck
Subject Re: Performance monitor signal handler
Date
Msg-id 200103162118.QAA07843@jupiter.jw.home
Whole thread Raw
In response to Re: Performance monitor signal handler  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Performance monitor signal handler
List pgsql-hackers
Tom Lane wrote:
> Now this would put a pretty tight time constraint on the collector:
> fall more than 4K behind, you start losing data.  I am not sure if
> a UDP socket would provide more buffering or not; anyone know?
   Looks  like Linux has something around 16-32K of buffer space   for UDP sockets. Just from eyeballing the
fprintf(3) output   of my destructively hacked postleprechaun.
 


Jan

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