| From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Jan Wieck <JanWieck(at)Yahoo(dot)com>, PostgreSQL HACKERS <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Performance monitor signal handler |
| Date: | 2001-03-16 21:18:13 |
| Message-ID: | 200103162118.QAA07843@jupiter.jw.home |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | 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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