changes post-freeze

[Stephen John Smoogen]

On Tue, Apr 28, 2009 at 12:42 PM, Matt Domsch <Matt_Domsch at dell.com> wrote:
> A few things I'd like to change starting tomorrow (post-freeze).
>
> * change the MM update-master-directory-list cronjob to start at 0 and
>  30 past the hour, from its current schedule of trying to start every
>  15 minutes.  It is taking about 20 minutes on average to run, so
>  really is only running twice an hour anyhow.
>
> * bump back the MM update-mirrorlist cronjob to start at :40 past the
>  hour.  It takes about 20 minutes to complete, and I would like the
>  new content to land at the top of the hour.

Is the 20 minutes a maximum or average? I was just wondering if
somewhere between 35 and 40 would make sure it doesn't conflict with a
job at the top of the hour?

> * in modules/rsync/files/rsyncd.conf.secondary1, exclude alt/stage.
>  Mirrors shouldn't be able to sync this content.
>
> * in MM prod.cfg, exclude pub/alt/stage.  Mirrors shouldn't have
>  this content, and it's extra directory walks we don't need.
>
> * increase the number of crawlers, from 45 to 75.  A full run is
>  taking about 3 hours now, I'd like to bring this down to under 2.
>  This only affects bapp1, whose load average is still under 1 and has
>  plenty of free RAM and CPU it seems.

sorry for clueless question number 2. What is the limiting factors for
the crawlers? Network bandwidth/latency or CPU?

> Objections or comments?
>
> Thanks,
> Matt
>
> --
> Matt Domsch
> Linux Technology Strategist, Dell Office of the CTO
> linux.dell.com & www.dell.com/linux
>
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-- 
Stephen J Smoogen. -- BSD/GNU/Linux
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"