=?ISO-8859-2?Q?Miloslav_Trma=E8?= <[email protected]> writes:
> 2011/9/14 "Jóhann B. Guðmundsson" <[email protected]>:
>> An simple test to measure this reliably is to strip down the legacy sysv
>> init script to the start up command only and have a strip down unit file to
>> the startup command only.
>>
>> Then time the startup of either.
> Why? The current numbers show that the service file is _slower_ even
> when the old init script is supposedly doing much more work in shell.
> If anything, stripping the unessential parts should make the service
> file _even slower_ in relative terms.
Yes. The unit file is already stripped down: it does nothing except
"pg_ctl start". The init script had accumulated a whole lot of
perhaps-unnecessary sanity-checking, which frankly I'd rather have kept
but the systemd mantra seems to be "no shell scripting" so I didn't.
Michal's numbers look pretty damning, and I find it remarkable that the
systemd advocates seem to have managed not to read them, let alone admit
that they suggest something's seriously wrong.
regards, tom lane
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