database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-12-21 05:21:08 +03:00
Code Activity

Arrange to preallocate all required space for the buffer and FSM hash

Browse Source 
tables in shared memory.  This ensures that overflow of the lock table
creates no long-lasting problems.  Per discussion with Merlin Moncure.
This commit is contained in:
Tom Lane
2004-09-28 20:46:37 +00:00
parent d9b68c8061
commit 3a246cc285
6 changed files with 42 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/include/utils/hsearch.h
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/hsearch.h,v 1.32 2004/08/29 05:06:59 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/hsearch.h,v 1.33 2004/09/28 20:46:37 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -135,7 +135,7 @@ typedef struct HASHCTL
#define HASH_FFACTOR 0x008 /* Set fill factor */
#define HASH_FUNCTION 0x010 /* Set user defined hash function */
#define HASH_ELEM 0x020 /* Set key/entry size */
#define HASH_SHARED_MEM 0x040 /* Set shared mem const */
#define HASH_SHARED_MEM 0x040 /* Hashtable is in shared memory */
#define HASH_ATTACH 0x080 /* Do not initialize hctl */
#define HASH_ALLOC 0x100 /* Set memory allocator */
#define HASH_CONTEXT 0x200 /* Set explicit memory context */