what if native systemd service is slower than old sysvinit script?

Ralf Corsepius rc040203 at freenet.de
Wed Sep 14 15:34:05 UTC 2011

On 09/14/2011 04:31 PM, drago01 wrote:
> On Wed, Sep 14, 2011 at 4:22 PM, Richard W.M. Jones<rjones at redhat.com>  wrote:
>> On Wed, Sep 14, 2011 at 01:03:04AM +0200, Michał Piotrowski wrote:
>>> Hi
>>> 2011/9/13 Tom Lane<tgl at redhat.com>:
>>>> (This isn't new with 9.1, btw --- the last version or so of 9.0
>>>> for F16 was the same, since we switched over to native systemd
>>>> files.)
>>> I used this service file on F15 and it starts slower
>>>    4214ms postgresql.service
>>> if we compare with an old SysVinit script
>>>    2469ms postgresql.service
>>> So I wonder if it makes sense to convert in such case?
>>> (I know that it is not about boot speed, it can start slower if needed.)
>> Is systemd boot actually any faster?

Not from my personal experience.

>>  There seems to be no
>> noticable difference in boot times for me over whatever we
>> were using in F14.  ie. both methods still takes ages, far
>> longer than should be necessary.
> My laptop (using a Samsung ssd) booted up in 14-16 seconds on F14. Now
> (F15) it boots up in 7-8 seconds. Which is a rather huge boost. (Not
> using lvm or any fancy stuff).

My netbook boots up F14 in ca. 60 secs, while F15 boots up in 62 secs. 
I'd call this "below measurement accuracy".


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