From 59a29c980137e1d6f4b1ac8ee72d75e8d9c9194e Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Thu, 18 Jun 2009 00:16:30 +0000 Subject: [PATCH] ITS#6176 silently raise dncache to cachesize if smaller --- doc/man/man5/slapd-bdb.5 | 5 ++++- servers/slapd/back-bdb/init.c | 5 +++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/doc/man/man5/slapd-bdb.5 b/doc/man/man5/slapd-bdb.5 index ec3210e0ae..f0a6d4cf92 100644 --- a/doc/man/man5/slapd-bdb.5 +++ b/doc/man/man5/slapd-bdb.5 @@ -147,7 +147,10 @@ will return a different result. .BI dncachesize \ Specify the maximum number of DNs in the in-memory DN cache. The default is twice the \fBcachesize\fP. Ideally this cache should be -large enough to contain the DNs of every entry in the database. +large enough to contain the DNs of every entry in the database. If +set to a smaller value than the \fBcachesize\fP it will be silently +increased to equal the \fBcachesize\fP. + It should be noted that the \fBDN cache\fP is allowed to temporarily grow beyond the configured size. It does this if many entries are locked when it tries to do a purge, because that means they're diff --git a/servers/slapd/back-bdb/init.c b/servers/slapd/back-bdb/init.c index 653d0e9e78..fe480e59a9 100644 --- a/servers/slapd/back-bdb/init.c +++ b/servers/slapd/back-bdb/init.c @@ -374,6 +374,11 @@ shm_retry: bdb->bi_cache.c_eimax = bdb->bi_cache.c_maxsize * 2; } + /* dncache must be >= entrycache */ + if ( bdb->bi_cache.c_eimax < bdb->bi_cache.c_maxsize ) { + bdb->bi_cache.c_eimax = bdb->bi_cache.c_maxsize; + } + if ( bdb->bi_idl_cache_max_size ) { bdb->bi_idl_tree = NULL; bdb->bi_idl_cache_size = 0; -- 2.39.2