Re: Idea for reducing planning time - Mailing list pgsql-hackers

From ncm@zembu.com (Nathan Myers)
Subject Re: Idea for reducing planning time
Date
Msg-id 20001215133751.D10336@store.zembu.com
Whole thread Raw
In response to Re: Idea for reducing planning time  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
On Fri, Dec 15, 2000 at 03:20:27PM -0500, Bruce Momjian wrote:
> [ Charset ISO-8859-1 unsupported, converting... ]
> > > It seems that Tom has committed his fixups but we're still waiting
> > > on Vadim?
> > 
> > Sorry guys, I'm busy with WAL issues currently.
> > CRC will require initdb, so it's better to implement it
> > first...
> 
> Can someone please remind me?  CRC allows us to know of WAL log is
> corrupt?

There are two uses for CRC in connection with the WAL log 
("write-ahead log log").  First, it helps to reveal corruption 
in the log.  Second, it makes it possible to identify the end of 
the log when the log lives on a raw partition.

Nathan Myers
ncm@zembu.com


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