| From: | Neil Conway <neilc(at)samurai(dot)com> |
|---|---|
| To: | simon(at)2ndquadrant(dot)com |
| Cc: | josh(at)agliodbs(dot)com, 'Rob Fielding' <rob(at)dsvr(dot)net>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: WAL Optimisation - configuration and usage |
| Date: | 2004-03-03 00:01:11 |
| Message-ID: | 40452047.6030501@samurai.com |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-hackers-pitr pgsql-performance |
Simon Riggs wrote:
>>Josh Berkus wrote
>>
>>>Simon Riggs wrote
>>>Please set WAL_DEBUG to 1 so we can see a bit more info: thanks.
>>
>>I'm pretty sure that WAL_DEBUG requires a compile-time option.
>
> I'm surprised, but you are right, the manual does SAY this requires a
> compile time option; it is unfortunately not correct.
Actually, the manual is correct: in 7.4 and earlier releases, enabling
wal_debug can be done without also setting a compile-time #ifdef. As
of current CVS HEAD, the WAL_DEBUG #ifdef must be defined before this
variable is available.
-Neil
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