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Re: Q: Multiple accesslog overlays?

On Mon, Aug 19, 2019 at 08:54:43 -0700, Quanah Gibson-Mount wrote:
> --On Monday, August 19, 2019 1:21 PM +0200 Ulrich Windl wrote:
> > I have a question preparing a transition of syncrepl to delta-syncrepl:
> > Our database already has an accesslog overlay (olcAccessLogOps: writes)
> > and a corresponding database configured for monitoring purposes.
> 
> You haven't noted the value for olcAccessLogSuccess.  Generally for
> delta-syncrepl *only* databases, this is set to TRUE.  However, that's not
> mandatory (see the end for why).


Incidentally, we just toggled olcAccessLogSuccess to FALSE on a database
last week, to debug a provisioning issue where the client did not log
enough details.  But our failed writes were still not logged.

Turns out that writes failed by an overlay (slapo-unique in our case) are
only logged to the accesslog, if this overlay is defined in the config
BEFORE the accesslog overlay (as overlays are loaded on a stack, see topic
12.18 in the admin guide).  So we now put the accesslog overlay as last
instead of first.


	Geert


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