svn commit: r295465 - head/usr.sbin/services_mkdb

Don Lewis truckman at FreeBSD.org
Wed Feb 10 18:29:36 UTC 2016


On 10 Feb, Stefan Esser wrote:
> Author: se
> Date: Wed Feb 10 09:40:45 2016
> New Revision: 295465
> URL: https://svnweb.freebsd.org/changeset/base/295465
> 
> Log:
>   Remove O_SYNC from the options passed to dbmopen().
>   
>   The services db is created as a temporary file that is moved over the
>   existing file after completion. Thus there is no need to immediately
>   flush all created db records to the temporary file.
>   
>   This speeds up creation of the services db by a factor of 500 on my
>   ZFS based /var/db filesytem (from 110 seconds to 0.235 seconds).

Thanks!  I was wondering why this was so s...l...o...w...



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