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When using BDB_IDL_MULTI, there are no longer any issues with storing

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large IDLs. Concurrency is improved by using as small a page size as
possible. So, set the pagesize back to the default 4096 in this case.
This commit is contained in:
Howard Chu 2001-12-07 01:40:08 +00:00
parent ac2cd34aaf
commit a19a5d8c15
1 changed files with 8 additions and 1 deletions
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9
servers/slapd/back-bdb/back-bdb.h
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@ -16,7 +16,7 @@
LDAP_BEGIN_DECL
#define BDB_FILTER_INDICES 1
/* #define BDB_IDL_MULTI 1 */
#define BDB_IDL_MULTI 1
#define DN_BASE_PREFIX SLAP_INDEX_EQUALITY_PREFIX
#define DN_ONE_PREFIX '%'
@ -50,10 +50,17 @@ LDAP_BEGIN_DECL
* fit into a single database page, more is better. 64K is BDB's
* upper bound. The same issues arise with IDLs in the index databases,
* but it's nearly impossible to avoid overflows there.
*
* When using BDB_IDL_MULTI, the IDL size is no longer an issue. Smaller
* pages are better for concurrency.
*/
#ifndef BDB_PAGESIZE
#ifdef BDB_IDL_MULTI
#define BDB_PAGESIZE 4096 /* BDB's original default */
#else
#define BDB_PAGESIZE 16384
#endif
#endif
#define BDB_INDICES 128