Re: COPYable logs status - Mailing list pgsql-hackers

From Markus Schiltknecht
Subject Re: COPYable logs status
Date
Msg-id 466A7C3B.3040702@bluegap.ch
Whole thread Raw
In response to Re: COPYable logs status  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: COPYable logs status  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hi,

Tom Lane wrote:
> We *have* a log-writing process.  The problem is in getting the data to it.

Remember the imessages approach I'm using for Postgres-R? It passes 
messages around using shared memory and signals the receiver on incoming 
data. It's not perfect, sure, but it's a general solution to a common 
problem.

Maybe it's worth a thought, instead of fiddling with signals, special 
shmem areas and possible races every time the 'getting data to another 
process'-problem comes up?

Regards

Markus



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