Re: runit and "sv check" for dependencies

From: Charlie Brady <charlieb-supervision_at_budge.apana.org.au>
Date: Fri, 16 Jan 2015 11:43:23 -0500 (EST)

On Fri, 16 Jan 2015, Wayne Marshall wrote:

> Your assertion sounds scary and foreboding in theory, but is not an
> issue in practice.

You've never had a system crawl when some process is being restarted every
second? For example, apache?

> Certainly not an issue with the example runscript provided.

Very good to know.

>
> Wayne
> http://b0llix.net/perp/
>
>
> On Fri, 16 Jan 2015 11:11:06 -0500 (EST)
> Charlie Brady <charlieb-supervision_at_budge.apana.org.au> wrote:
>
> >
> > On Fri, 16 Jan 2015, Wayne Marshall wrote:
> >
> > > The better paradigm for dependency checking is this: for a service
> > > with any unmet dependency, fail immediately.
> >
> > That's great in theory, but can be very expensive in CPU and other
> > resources in practice. The dependency check code needs to be very
> > lightweight.
> >
>
>
Received on Fri Jan 16 2015 - 16:43:23 UTC

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