Re: Benchmarked tcpserver dlopen() -> qmail_smtpd() VS tcpserver --> fork() --> exec qmail-smtpd

On 4 Apr 2017, at 16:11, Manvendra Bhangui wrote:

> On 2 April 2017 at 20:47, Charles Cazabon 
> <[email protected]> wrote:
...
>> As djb himself says, measure, don't speculate.

> So finally I measured and now I have data, and it so consistent, that
> I too am surprised. Using dlopen() to load the control files in
> tcpserver gives a huge, huge gain if the control files are large.

Nice work.

Just a thought though. It seems to me that control files weren't 
designed
to handle huge lists of this sort and that a better approach would be to
move to a more efficient file format or database, say, cdb, sqlite, LMDB
or postgresql.


Regards,
Malte