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Re: syncrepl replication on 2.4.19 (stable)



On 04/11/2009 08:48, Brett @Google wrote:
Hello,

I am having a very odd problem after upgrading from openldap 2.4.16 (stable)

I have a syncrepl provider/ consumer setup using openldap 2.4.19
(stable) and when i start an empty consumer, in the provider logs i am
getting:

Nov  4 17:07:51 producer slapd[7250]: [ID 702911 local4.debug] @(#)
$OpenLDAP: slapd 2.4.19 (Nov  4 2009 12:53:47) $
Nov  4 17:07:51 producer
@qgdevpro:/home/govops/build.local/openldap-2.4.19/servers/slapd
Nov  4 17:07:51 producer slapd[7286]: [ID 100111 local4.debug] slapd
starting
Nov  4 17:08:04 producer slapd[7286]: [ID 848112 local4.debug] conn=0
fd=16 ACCEPT from IP=10.0.0.2:53951 <http://10.0.0.2:53951>
(IP=10.0.0.1:389 <http://10.0.0.1:389>)
Nov  4 17:08:04 producer slapd[7286]: [ID 215403 local4.debug] conn=0
op=0 BIND dn="cn=replicator,dc=example,dc=org" method=128
Nov  4 17:08:04 producer slapd[7286]: [ID 600343 local4.debug] conn=0
op=0 BIND dn="cn=replicator,dc=example,dc=org" mech=SIMPLE ssf=0
Nov  4 17:08:04 producer slapd[7286]: [ID 588225 local4.debug] conn=0
op=0 RESULT tag=97 err=0 text=
Nov  4 17:08:04 producer slapd[7286]: [ID 469902 local4.debug] conn=0
op=1 SRCH base="dc=example,dc=org" scope=2 deref=0 filter="(objectClass=*)"
Nov  4 17:08:04 producer slapd[7286]: [ID 744844 local4.debug] conn=0
op=1 SRCH attr=* +
Nov  4 17:08:04 producer slapd[7286]: [ID 832699 local4.debug] conn=0
op=1 SEARCH RESULT tag=101 err=0 nentries=0 text=
Nov  4 17:08:04 producer slapd[7286]: [ID 218904 local4.debug] conn=0
op=2 UNBIND
Nov  4 17:08:04 producer slapd[7286]: [ID 952275 local4.debug] conn=0
fd=16 closed

on the consumer i get a lot of (one set after each refresh attempt) :

Nov  4 17:41:04 consumer slapd[7660]: [ID 365351 local4.debug]
do_syncrep2: rid=001 LDAP_RES_SEARCH_RESULT
Nov  4 17:41:04 consumer slapd[7660]: [ID 664938 local4.debug]
do_syncrepl: rid=001 rc -2 retrying

Important part being "nentries=0", i run the equivalent command at the
command propmt of the consumer, ie:

ldapsearch -b dc=example,dc=org -D 'cn=replicator,dc=example,dc=org' -w
<password> -s sub -x '(objectclass=*) ' '* +'

I get the result i would expect above, ie:

Nov  4 17:20:14 producer slapd[7286]: [ID 848112 local4.debug] conn=16
fd=16 ACCEPT from IP=10.0.0.2:54049 <http://10.0.0.2:54049>
(IP=10.0.0.1:389 <http://10.0.0.1:389>)
Nov  4 17:20:14 producer slapd[7286]: [ID 215403 local4.debug] conn=16
op=0 BIND dn="cn=replicator,dc=example,dc=org" method=128
Nov  4 17:20:14 producer slapd[7286]: [ID 600343 local4.debug] conn=16
op=0 BIND dn="cn=replicator,dc=example,dc=org" mech=SIMPLE ssf=0
Nov  4 17:20:14 producer slapd[7286]: [ID 588225 local4.debug] conn=16
op=0 RESULT tag=97 err=0 text=
Nov  4 17:20:14 producer slapd[7286]: [ID 469902 local4.debug] conn=16
op=1 SRCH base="dc=example,dc=org" scope=2 deref=0 filter="(objectClass=*)"
Nov  4 17:20:14 producer slapd[7286]: [ID 744844 local4.debug] conn=16
op=1 SRCH attr=* +
Nov  4 17:21:03 producer slapd[7286]: [ID 832699 local4.debug] conn=16
op=1 SEARCH RESULT tag=101 err=0 nentries=85611 text=
Nov  4 17:21:03 producer slapd[7286]: [ID 218904 local4.debug] conn=16
op=2 UNBIND
Nov  4 17:21:03 producer slapd[7286]: [ID 952275 local4.debug] conn=16
fd=16 closed

Note here i get nentries=85611 (with a phole bunch of results) for what
is essentialy the same query.

I'd appreciate any feedback, surely i must be missing something really
obvious?

My config is below.

Cheers
Brett

<< begin of provider slapd >>

######################################################################
# global options
######################################################################

include /usr/local/openldap/etc/openldap/schema/core.schema
include /usr/local/openldap/etc/openldap/schema/cosine.schema
include /usr/local/openldap/etc/openldap/schema/inetorgperson.schema

modulepath    /usr/local/openldap/libexec/openldap
#moduleload back_ldbm.la <http://back_ldbm.la>
#moduleload back_monitor.la <http://back_monitor.la>

pidfile         /var/openldap/run/slapd.pid
argsfile        /var/openldap/run/slapd.args

# threads for faster concurrent slapadd
tool-threads    4

######################################################################
# global database ACLs
######################################################################

# allow replicator to read all
access to *
     by dn.exact="cn=replicator,dc=example,dc=org" read
     by * break

[ ..etc.. ]

# default rules
access to *
     by self write
     by * read

######################################################################
# logging configuration
######################################################################

# testing
loglevel stats sync

######################################################################
# primary database
######################################################################

database        hdb
suffix "dc=example,dc=org"

directory       /var/openldap/data
rootdn "cn=Manager, dc=example,dc=org"
rootpw <password>

checkpoint      2000 15
cachesize       20000
idlcachesize    60000
cachefree       4000

# unlimited dn cache (openldap 2.4.16 and above)
dncachesize     0

# General Indexes (there is more than this - but they are all the same form)
index default pres,eq
index objectClass,uid,mail pres,eq
index cn,sn,ou,streetAddress,givenName,title,telephoneNumber eq,sub

# Indices for Syncrepl
index entryCSN,entryUUID eq

# allow replicator DN have unlimited searches (per-database)
limits dn.exact="cn=replicator,dc=example,dc=org" time=unlimited
size=unlimited

######################################################################
# replication information - monitor backend
######################################################################

database monitor

<< end of provider slapd >>

You don't seem to have "overlay syncprov" on your provider.

Regards,
Jonathan