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Re: Delta-syncrepl and latency

To: openldap-software@openldap.org
Subject: Re: Delta-syncrepl and latency
From: "Sam Tran" <stlist@gmail.com>
Date: Wed, 9 May 2007 12:48:42 -0400
Content-disposition: inline
In-reply-to: <cee681b00705081750t2b57ba70od40fecf83d8aba15@mail.gmail.com>
References: <cee681b00705081750t2b57ba70od40fecf83d8aba15@mail.gmail.com>

On 5/8/07, Sam Tran <stlist@gmail.com> wrote:
[snip]


I've been running some LDAP writes (batches of 10 to 10000 sequential
writes) on the provider to test the replication on the consumer.
Sometimes I observed some latency up to 35 sec. on the consumer with
the following messages in the logs:
May  8 16:52:08 info-ldap-006 slapd[24480]: do_syncrep2: rid 006 Can't
contact LDAP server
May  8 16:52:08 info-ldap-006 slapd[24480]: do_syncrepl: rid 006 retrying

Some other times, there was not replication at all until I restarted
the consumer.

Am I missing something in the configuration? Please could you shed
some light on the matter?

Thanks in advance.
Sam


Some additional information:

The provider is in the internal network while the consumer is in a
separated DMZ. A static IP mapping for the provider and the
appropriate FW rule are necessary to allow the consumer to reach the
provider.

Sam

References:
- Delta-syncrepl and latency
  - From: "Sam Tran" <stlist@gmail.com>

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