Re: syncrepl loosing connection

--On October 7, 2009 10:53:27 AM +0200 Peter Mogensen <[email protected]> wrote:

> Hi,
>
> I found the reason that slapd was hanging at startup. It turned out to be
> a schema, which hadn't been properly replicated after being dynamicly
> added.
> So not replication is actually moving entries. However... it seems to
> constantly loose connection (which may be why the schema sometimes fails
> to replicate on load).
>
> The setup is 2 mirrormode servers (slapd 2.4.17). Server 1 has the
> database and is trying to replicate it to Server 2 which was empty from
> start.
>
> I have syncrepl for both cn=config and for the actual database.
> Which means that I should see 4 connections (2 each way) between server 1
> and 2. But the last connection (server2->server1) seems to open and close
> constantly.
>
> On server 2 I see repeated:
>
> Oct  7 09:47:14 s02 slapd[26723]: do_syncrepl: rid=001 rc -1 retrying
> Oct  7 09:47:28 s02 slapd[26723]: do_syncrep2: rid=003 (-1) Can't contact
> LDAP server
> Oct  7 09:47:28 s02 slapd[26723]: do_syncrepl: rid=003 rc -1 retrying
> Oct  7 09:48:49 s02 slapd[26723]: do_syncrep2: rid=003 (-1) Can't contact
> LDAP server
>
> When Adding olcLogLevel: conns sync trace none I se the logmessages I
> would expect mixed with a lot of these:
>
> Oct  7 10:41:52 s02 slapd[26723]: slap_sl_malloc of 48 bytes failed,
> using ch_malloc
> Oct  7 10:41:52 s02 slapd[26723]: slap_sl_malloc of 40 bytes failed,
> using ch_malloc
>
>
> ... coming in burts with varying number of bytes. However, the machine
> doesn't look like it's running out of mem.

Unable to malloc means your system is running out of memory.  That's bad.

--Quanah


--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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