The SNMP counters are not always interesting, but they can provide the system memory use and some LDAP BIND info.
Under
cn=monitor , the most important are:
the difference between opsinitiated and opscompleted
and also
threads
currentconnections
and
backendmonitordn
so under
cn=monitor,cn=<backend-name>,cn=ldbm\ database,cn=plugins,cn=config objectclass=*
like for example
dn: cn=monitor,cn=userRoot,cn=ldbm database,cn=plugins,cn=config
the following are important:
entrycachehitratio
currententrycachesize
maxentrycachesize
dncachehitratio
currentdncachesize
maxdncachesize
and the pagein and pageout values if too high
under
cn=monitor,cn=ldbm\ database,cn=plugins,cn=config
nsslapd-db-current-locks
nsslapd-db-configured-locks
nsslapd-db-page-ro-evict-rate
nsslapd-db-page-rw-evict-rate
the dbmon.sh tool can provide some info/hints/details
for replication, the attribute
nsDS5ReplicaLastUpdateStatus
nsDS5ReplConflict
nsruvReplicaLastModified
/usr/bin/ldapsearch -xLLL -h xx -p xx -D "cn=directory manager" -W -b "cn=mapping tree,cn=config" "(&(objectClass=nsDS5ReplicationAgreement)(nsDS5ReplicaHost=*)(nsDS5ReplicaPort=xx))" nsDS5ReplicaChangesSentSinceStartup nsDS5ReplicaLastUpdateStatus nsDS5ReplicaUpdateInProgress nsDS5ReplicaLastUpdateStart nsDS5ReplicaLastUpdateEnd
/usr/bin/ldapsearch -LLLx -o ldif-wrap=no -D "cn=directory manager" -W -b dc=example,dc=com nsds5ReplConflict=* dn cn
see
there is also an old tool called
from the "Admin Express" feature, HTML colored page:
I may have forgotten some attributes.
Thanks,
M.
On Thu, Dec 21, 2017 at 11:50 AM, Sergei Gerasenko <gerases@xxxxxxxxx> wrote:
I’ve implemented the solution described in the thread. My question now is: what should I really monitor?There are so many metrics to consider. The thread talks about cn=snmp,cn=monitor. But there are also cn=monitor suffixes under each backend for example. Is there a recommended mininum set of things to monitor?On Dec 14, 2017, at 6:23 PM, Marc Sauton <msauton@xxxxxxxxxx> wrote:There is no collectd 389-ds plug-in, but there was a post with an example:May be other users already run some similar plug-in?Should we have such plug-in?Thanks,
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