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Some *very* major changes by darrenk@insightdist.com (Darren King)

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==========================================
What follows is a set of diffs that cleans up the usage of BLCKSZ.

As a side effect, the person compiling the code can change the
value of BLCKSZ _at_their_own_risk_.  By that, I mean that I've
tried it here at 4096 and 16384 with no ill-effects.  A value
of 4096 _shouldn't_ affect much as far as the kernel/file system
goes, but making it bigger than 8192 can have severe consequences
if you don't know what you're doing.  16394 worked for me, _BUT_
when I went to 32768 and did an initdb, the SCSI driver broke and
the partition that I was running under went to hell in a hand
basket. Had to reboot and do a good bit of fsck'ing to fix things up.

The patch can be safely applied though.  Just leave BLCKSZ = 8192
and everything is as before.  It basically only cleans up all of the
references to BLCKSZ in the code.

If this patch is applied, a comment in the config.h file though above
the BLCKSZ define with warning about monkeying around with it would
be a good idea.

Darren  darrenk@insightdist.com

(Also cleans up some of the #includes in files referencing BLCKSZ.)
==========================================
This commit is contained in:
Marc G. Fournier
1998-01-13 04:05:12 +00:00
parent f0445dcbc4
commit 374bb5d261
15 changed files with 156 additions and 167 deletions
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10
src/backend/executor/nodeHash.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHash.c,v 1.15 1998/01/07 21:02:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeHash.c,v 1.16 1998/01/13 04:03:53 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -31,15 +31,11 @@
#include "postgres.h"
#include "storage/fd.h" /* for SEEK_ */
#include "storage/ipc.h"
#include "storage/bufmgr.h" /* for BLCKSZ */
#include "executor/execdebug.h"
#include "executor/executor.h"
#include "executor/nodeHash.h"
#include "executor/nodeHashjoin.h"
#include "executor/execdebug.h"
#include "utils/palloc.h"
#include "storage/ipc.h"
#include "utils/hsearch.h"
extern int NBuffers;