Pierangelo Masarati schrieb:
Ralf Narozny wrote:
Hi,
Pierangelo Masarati schrieb:
Buchan Milne wrote:
/me notes that it would be nice to have more detail on the entry
cache available via back-monitor, such as the number of entries in
the cache, and the amount of entry cache that is used ...
Something like
bash-3.1$ ldapsearch -x -H ldap://:9011 -b 'cn=Databases,cn=Monitor' \
'(objectclass=olmBDBDatabase)' @olmBDBDatabase
I configured the slapd to create a monitor, but the information you
want is not present.
Maybe I missed something to configure, but the manual is not too
thouroughly written by now ;-)
database monitor
rootdn "cn=root,cn=monitor"
rootpw {SSHA}...
ldapsearch -D 'cn=root,cn=monitor' -W -b 'cn=Databases,cn=Monitor'
'objectclass=*' '*' '+'
(as far as I understood, this should show all data for the entries
below cn=Databases,cn=Monitor')
Well, that information is only available since OpenLDAP 2.4; I infer
you're using an earlier distribution. In any case, the monitor has
nothing to do with the entry cache configuration, it only shows the
current usage. Refer to slapd.conf or back-config for what is
configured for your system.
Yep, as I wrote in my initial mail, we are using 2.3.32 (for testing so
far).
And I wrote that we are using BDB which is configured to use 4GB of
shared mem. The only problem I have is that with 1000000 entries
configured as entry cache, slapd uses 11GB out of 16 GB of RAM after the
insert with ldapadd. Which makes it use 7GB for entry cache (and
whatever else).
Our entries have (in LDIF of course) an average size of below 200 Bytes.
So taking 6GB out of the 7GB used as size of the entry cache, it would
mean that each entry consumes about 6K of RAM. Is that correct?
If so, is there any documentation on how to configure the slapd for a
larger amount of entries like ours?
p.
Ing. Pierangelo Masarati
OpenLDAP Core Team
SysNet s.r.l.
via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
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