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help for tuning slapd



Hi all,

Sometimes my sladd process take more than 100% CPU and I don't know why.
Searching on google I foud nsome tips about tunning but I don't understand some part of the article (set_cachesize chapter)  (http://www.openldap.org/doc/admin23/tuning.html)

openldap 2.3.43 with BDB db-4.2.52 on Redhat Enterprise Linux 5.3

Some output :

db_stat -d dn2id.bdb
53162        Btree magic number.
9        Btree version number.
Flags:        duplicates, little-endian
2        Minimum keys per-page.
4096        Underlying database page size.
2        Number of levels in the tree.
1588        Number of unique keys in the tree.
3159        Number of data items in the tree.
5        Number of tree internal pages.
19000        Number of bytes free in tree internal pages (7% ff).
51        Number of tree leaf pages.
113150        Number of bytes free in tree leaf pages (46% ff).
10        Number of tree duplicate pages.
18790        Number of bytes free in tree duplicate pages (54% ff).
0        Number of tree overflow pages.
0        Number of bytes free in tree overflow pages (0% ff).
0        Number of pages on the free list.

db_stat -d id2entry.bdb
53162        Btree magic number.
9        Btree version number.
Flags:        little-endian
2        Minimum keys per-page.
16384        Underlying database page size.
2        Number of levels in the tree.
792        Number of unique keys in the tree.
792        Number of data items in the tree.
1        Number of tree internal pages.
13792        Number of bytes free in tree internal pages (16% ff).
117        Number of tree leaf pages.
717074        Number of bytes free in tree leaf pages (63% ff).
0        Number of tree duplicate pages.
0        Number of bytes free in tree duplicate pages (0% ff).
25        Number of tree overflow pages.
276539        Number of bytes free in tree overflow pages (32% ff).
4        Number of pages on the free list.

anyone can help me for tuning mu openldap DB ?

thanks

        Stéphane Purnelle




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Stéphane PURNELLE                         Admin. Systèmes et Réseaux
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