Re: [exim] High Perf server - was (exim allowed someone to s…

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Autor: Mark Lowes
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A: exim-users
Assumpte: Re: [exim] High Perf server - was (exim allowed someone to slam my mail server for 3 hours)
Tony Finch wrote:
>>     http://sourceforge.net/projects/tdb/
>>and Exim supports it. But whether that would actually help in practice,
>>I don't know.

>
>
> The crucial feature is multiple symultaneous readers and writers (i.e. row
> locking rather than table locking, to use RDBMS terminology). Since tdb
> supports that then it should (hopefully) give us the improvement we want.
> An extended version of Exim's DB abstraction layer could support
> concurrent access with tdb and recent Berkeley DB.


Sounds like a job for the cold spare :) I might give it a go sometime
over the next week or so, assuming of course that the current problems
(non-exim related) go away so I'm not chasing around after those.