Re: syncrepl failure over time

--On Wednesday, March 10, 2010 4:06 PM -0500 Aaron Bennett 
<[email protected]> 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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