Re: overlay order important and not documented?

[Pierangelo Masarati <ando@sys-net.it>]

Howard Chu wrote:

> Not documented... The accesslog overlay serializes all write operations 
> by taking a lock. This means only one write operation is allowed to 
> progress at any time.
>
> The refint overlay creates multiple write operations from a single write 
> operation. If the accesslog overlay has already locked the current 
> operation, then yes, the refint overlay will deadlock at that point 
> because its write operations still go through the entire overlay stack. 
> I think the fix for this will be to change the refint overlay to bypass 
> any overlays above it when performing its own writes.

Wouldn't this prevent writes by refint from being logged by accesslog?

p.



Ing. Pierangelo Masarati
OpenLDAP Core Team

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