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Additional mop-up for sync-to-fsync changes: avoid issuing fsyncs for

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temp tables, and avoid WAL-logging truncations of temp tables.  Do issue
fsync on truncated files (not sure this is necessary but it seems like
a good idea).
This commit is contained in:
Tom Lane
2004-05-31 20:31:33 +00:00
parent e674707968
commit 91d20ff7aa
5 changed files with 94 additions and 52 deletions
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20
src/include/storage/smgr.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/smgr.h,v 1.42 2004/05/31 03:48:10 tgl Exp $
* $PostgreSQL: pgsql/src/include/storage/smgr.h,v 1.43 2004/05/31 20:31:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -55,11 +55,14 @@ extern void smgrclosenode(RelFileNode rnode);
extern void smgrcreate(SMgrRelation reln, bool isTemp, bool isRedo);
extern void smgrscheduleunlink(SMgrRelation reln, bool isTemp);
extern void smgrdounlink(SMgrRelation reln, bool isTemp, bool isRedo);
extern void smgrextend(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern void smgrextend(SMgrRelation reln, BlockNumber blocknum, char *buffer,
bool isTemp);
extern void smgrread(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern void smgrwrite(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern void smgrwrite(SMgrRelation reln, BlockNumber blocknum, char *buffer,
bool isTemp);
extern BlockNumber smgrnblocks(SMgrRelation reln);
extern BlockNumber smgrtruncate(SMgrRelation reln, BlockNumber nblocks);
extern BlockNumber smgrtruncate(SMgrRelation reln, BlockNumber nblocks,
bool isTemp);
extern void smgrDoPendingDeletes(bool isCommit);
extern int smgrGetPendingDeletes(bool forCommit, RelFileNode **ptr);
extern void smgrcommit(void);
@@ -78,11 +81,14 @@ extern bool mdinit(void);
extern bool mdclose(SMgrRelation reln);
extern bool mdcreate(SMgrRelation reln, bool isRedo);
extern bool mdunlink(RelFileNode rnode, bool isRedo);
extern bool mdextend(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern bool mdextend(SMgrRelation reln, BlockNumber blocknum, char *buffer,
bool isTemp);
extern bool mdread(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern bool mdwrite(SMgrRelation reln, BlockNumber blocknum, char *buffer);
extern bool mdwrite(SMgrRelation reln, BlockNumber blocknum, char *buffer,
bool isTemp);
extern BlockNumber mdnblocks(SMgrRelation reln);
extern BlockNumber mdtruncate(SMgrRelation reln, BlockNumber nblocks);
extern BlockNumber mdtruncate(SMgrRelation reln, BlockNumber nblocks,
bool isTemp);
extern bool mdsync(void);
extern void RememberFsyncRequest(RelFileNode rnode, BlockNumber segno);