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Re: syncrepl failure over time

--On Wednesday, March 10, 2010 4:06 PM -0500 Aaron Bennett <abennett@clarku.edu> wrote: 


Hi,

openldap-2.3.43
db4-4.3.29
CentOS 5.3

We're observing that syncrepl with refreshandpersist is failing at some
point after an ldap restart.  I've written a script to try to figure out
exactly when, but it's sometime within 24 hours.

A slapd restart on the consumer always picks up any pending changes.

Here's our configuration:

syncrepl provider:
database        bdb
overlay ppolicy
ppolicy_default "cn=default,ou=policies,dc=clarku,dc=edu"
# readonly   on
overlay syncprov
suffix          "dc=clarku,dc=edu"
rootdn          "cn=Manager,ou=Services,dc=clarku,dc=edu"
rootpw          --snip--
directory       /var/lib/ldap
checkpoint  5120 60
cachesize 50000
idlcachesize 150000
dbconfig set_cachesize 0 524288000 1
dbconfig set_lg_regionmax 262144
dbconfig set_lg_bsize 2097152
dbconfig set_flags DB_LOG_AUTOREMOVE

sizelimit 30
conn_max_pending 400
concurrency 25
threads 25
limits dn="cn=Replicator,ou=Services,dc=clarku,dc=edu" size=none

syncrepl consumer:
database        bdb
overlay ppolicy
ppolicy_default "cn=default,ou=policies,dc=clarku,dc=edu"
# readonly   on
suffix          "dc=clarku,dc=edu"
rootdn          "cn=Manager,ou=Services,dc=clarku,dc=edu"
rootpw          --snip--
directory       /var/lib/ldap
checkpoint  5120 60
cachesize 50000
idlcachesize 150000
dbconfig set_cachesize 0 524288000 1
dbconfig set_lg_regionmax 262144
dbconfig set_lg_bsize 2097152
dbconfig set_flags DB_LOG_AUTOREMOVE

syncrepl rid=001
        provider=ldap://nyx.clarku.edu
        type=refreshandpersist
        searchbase="dc=clarku,dc=edu"
        scope=sub
        retry= 30 10 120 +


This retry line should be quoted I'd think.

In any case, use delta-syncrepl with 2.3 if you want it to work.

--Quanah

--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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