"lmtpunix[32741]: DBERROR db4: 474 lockers"

Andreas Hasenack ahasenack at terra.com.br
Thu Jul 20 16:34:04 EDT 2006

On Thu, Jul 20, 2006 at 08:29:01PM -0400, Ciprian Vizitiu wrote:
> Hi everybody,
> Early this morning a Cyrus  2.2.12 running on a RHEL 4 started refusing 
> delivery under the reason(s):
> lmtpunix[30668]: DBERROR db4: Logging region out of memory; you may need 
> to increase its size
> lmtpunix[30668]: DBERROR: opening /var/lib/imap/deliver.db: Cannot 
> allocate memory
> lmtpunix[30668]: DBERROR: opening /var/lib/imap/deliver.db: cyrusdb error
> lmtpunix[30668]: FATAL: lmtpd: unable to init duplicate delivery database
> Being hard pressed I've simply restarted the server and... uh, it works. 
> Later on (some 1 h) the log started showing increasing numbers of  
> "lmtpunix[32741]: DBERROR db4: XYZ lockers" with XYZ steady increasing.
> How do I increase the "Logging region"? And what's the meaning of the 
> DB4 lockers in this context? Any hints on decreasing them? =:-o

Do you have a DB_CONFIG file in there somewhere?

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