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Support an optional asynchronous commit mode, in which we don't flush WAL

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before reporting a transaction committed.  Data consistency is still
guaranteed (unlike setting fsync = off), but a crash may lose the effects
of the last few transactions.  Patch by Simon, some editorialization by Tom.
This commit is contained in:
Tom Lane
2007-08-01 22:45:09 +00:00
parent c722628a43
commit 4a78cdeb6b
25 changed files with 998 additions and 303 deletions
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4
src/include/access/gist_private.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.26 2007/01/20 18:43:35 neilc Exp $
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.27 2007/08/01 22:45:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -200,8 +200,6 @@ typedef struct GistSplitVector
* distributed between left and right pages */
} GistSplitVector;
#define XLogRecPtrIsInvalid( r ) ( (r).xlogid == 0 && (r).xrecoff == 0 )
typedef struct
{
Relation r;