brad.chand...@mbchandler.net:
> On 2015-06-03 10:49 am, wie...@porcupine.org wrote:
> > brad.chand...@mbchandler.net:
> >> How does the memcache interact with the
> >> proxy:btree:/var/lib/postfix/postscreen_cache?
> > 
> > It happens in the Postfix memcache client.
> > 
> > When you specify a backup store in the Postfix memcache client
> > configuration file, the Postfix memcache client will update
> > both the memcache and the backup store, and will query the
> > backup store only if information isn't found in the memcache.
> > 
> >     Wietse
> 
> Thank you. Since I have the proxy_write_maps set, I need to comment out 
> or remove the postscreen_cache_cleanup_interval=0 on each server, 
> correct? I'm not sharing the backup database. I am sharing the memcache.
> 
> Does the cache cleanup run only affect 
> /var/lib/postfix/postscreen_cache?

As noted before, when you specify a backup store in the Postfix
memcache client configuration file, Postfix memcache client will
update both the memcache and the backup store. That includes adding
entries and deleting entries that are too old. *Some* Postfix
memcache client will need to remove old entries from the backup
database. If the text in memcache_table(5) is incorrect, report a
bug.

        Wietse

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