Re: [ADMIN] Syslog line wrapping

2010-09-24 Thread Vladimir Rusinov
On Fri, Sep 24, 2010 at 7:55 AM, Evan Rempel erem...@uvic.ca wrote:

 I am running Postgresql 8.3 and would like to get postgres to
 NOT wrap the syslog lines. Is ther any configuration to do this.
 Perhaps I can wrap them at a very large line number?

 The problem is that we want a program to analyze the logs for us, and with
 the line breaks it
 is very difficult, although not impossible, to get a program to do this.


pgFounie handles multi-line logs easilty. You might want to check it's
source to get how.
Or just use stderr logging (which is actually more stable).

-- 
Vladimir Rusinov
http://greenmice.info/


Re: [ADMIN] Syslog line wrapping

2010-09-24 Thread Peter Eisentraut
On tor, 2010-09-23 at 20:55 -0700, Evan Rempel wrote:
 I am running Postgresql 8.3 and would like to get postgres to
 NOT wrap the syslog lines. Is ther any configuration to do this.
 Perhaps I can wrap them at a very large line number?

PostgreSQL 8.4 increased the line length.



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Re: [ADMIN] Syslog line wrapping

2010-09-23 Thread Tom Lane
Evan Rempel erem...@uvic.ca writes:
 I am running Postgresql 8.3 and would like to get postgres to
 NOT wrap the syslog lines. Is ther any configuration to do this.
 Perhaps I can wrap them at a very large line number?

The problem we're up against is explained in src/backend/utils/error/elog.c:

 * Our problem here is that many syslog implementations don't handle 
long
 * messages in an acceptable manner. While this function doesn't help 
that
 * fact, it does work around by splitting up messages into smaller 
pieces.

If you are fortunate enough to have a less-broken-than-average syslog
facility, you could increase the PG_SYSLOG_LIMIT constant defined there.
On the whole, though, I'd suggest not depending on syslog.  It has
other issues besides this one, like sometimes losing messages entirely.

regards, tom lane

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