history/dbz limits

[Bill Davidsen]

Maarten Thibaut wrote:
> Hi,
>
> I'm wondering about the limits for the size of the history file and the 
> DBZ index for it. We use inn as an archive server for email lists and news 
> groups.
>
> Compiled as a 32 bit app with largefiles enabled:
>   

We did this with 6TB of data and didn't hit issues. What hardware and 
O/S (including versions)?
> $ makehistory -F -O -s 200000000
> ...
> makehistory: dbz: getcore: read failed: Invalid argument
> makehistory: openhashtable: getcore failure: Invalid argument
> makehistory: can't dbzfresh /etc/operator/db/history Invalid argument
> makehistory: dbzclose: not opened!
> makehistory: can't dbzclose /etc/operator/db/history Invalid argument
> makehistory: cannot open /etc/operator/db/history: Invalid argument
>
> So I decided to compile it as a 64 bit app (Solaris), and then I don't get 
> this problem so I decided to use a larger size argument which is closer to 
> our future needs:
>
> $ makehistory -F -O -s 1000000000
> ...
> makehistory: dbzsync: putcore failed
> makehistory: can't dbzclose /etc/operator/db/history Invalid argument
> makehistory: cannot close history file: Invalid argument
>
> So are the limits known for 32 and 64 bit or can I easily calculate them? 
> I can use trial and error, but knowing the hard limits sounds like a good 
> idea so we can plan for it...
>
> Thanks!
> maarten
>
>   


-- 
bill davidsen <davidsen at tmr.com>
  CTO TMR Associates, Inc
  Doing interesting things with small computers since 1979