Re: Performance monitor - Mailing list pgsql-hackers

From Richard J Kuhns
Subject Re: Performance monitor
Date
Msg-id 15015.54005.969629.634328@localhost.grauel.com
Whole thread Raw
In response to Re: Performance monitor  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: Performance monitor  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Bruce Momjian writes:
...> The problem I see with the shared memory idea is that some of the> information needed may be quite large.  For
example,query strings can> be very long.  Do we just allocate 512 bytes and clip off the rest.  And> as I add more
info,I need more shared memory per backend.  I just liked> the file system dump solution because I could modify it
prettyeasily,> and because the info only appears when you click on the process, it> doesn't happen often.> 
 
Have you thought about using a named pipe?  They've been around for quite a
while, and should (he said with a :-)) be available on most-if-not-all
currently supported systems.
-- 
Richard Kuhns            rjk@grauel.com
PO Box 6249            Tel: (765)477-6000 \
100 Sawmill Road                    x319
Lafayette, IN  47903             (800)489-4891 /


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