On 2/10/2013 4:37 AM, Stefan Foerster wrote:
> Hello world,
> 
> does anyone have experience with very large (about 2k entries) hash
> tables?

Hash tables scale very well to hundreds of thousands of entries; 2k
entries on an Atom processor with 1G ram won't be an issue.



  -- Noel Jones



> 
> I'll have to implement a check_recipient_access rule within
> smtpd_recipient_restrictions - it will be only temporary, three days
> at most, but I'm still worried about the possible performance impact.
> 
> OS would be a recent CentOS 6.3, server is some mid-end hexacore form
> last year (I guess I/O does not matter in context of evaluationg hash
> tables), daily usage is about 80k deliveries and 200k connections,
> resulting in absolutely no load at all... until now.
> 
> 
> Stefan
> 

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