[CentOS-mirror] How often to synchronize mirror?

Wed Jun 5 15:26:09 UTC 2019
Daniel Watson <daniel at hostlink.com.au>

Hi Valeri,

Every 6 hours is MORE than enough.

If you sync from Tier 1 Mirror every 6 hours, you will find that you will be keeping up to date with all content.

From: CentOS-mirror <centos-mirror-bounces at centos.org> on behalf of Valeri Galtsev <galtsev at kicp.uchicago.edu>
Sent: Thursday, 6 June 2019 1:21 AM
To: centos-mirror at centos.org
Subject: [CentOS-mirror] How often to synchronize mirror?

Dear All,

I run public mirror (bay.uchicago.edu), and today I have noticed that
the status page


shows in red it is not in sync for 5 hours, or so. It's been quite some
time ago when I first installed it, and that time decent practice was to
sync 3 times a day (about once every eight hours). More often was
assumed to overwhelm higher tier source.

What is good practice these days: how often it is OK to synchronize
mirror? I changed sync to every other hour (once I notices it shining
red on mirror status page). Is that OK, or that will overwhelm higher
tier mirror?

Thanks a lot for your advises!


Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
CentOS-mirror mailing list
CentOS-mirror at centos.org
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