Here is the latest report for ClamAV virus update mirror delays since
the end of July.  DNS TXT vs actual file availability has gotten worse!
Now, over 57% of updates are DNS-announced prematurely. (Last time, only
about 1/3 were announced prematurely.)

2018-07-31 21:33:01  No delay
2018-08-01 05:03:01  00:14:59 delay
2018-08-01 13:18:01  No delay
2018-08-01 21:03:02  00:15:00 delay
2018-08-02 05:18:02  No delay
2018-08-02 13:48:02  00:30:00 delay
2018-08-02 21:48:01  00:15:00 delay
2018-08-03 05:18:02  No delay
2018-08-03 14:18:02  00:30:01 delay
2018-08-03 21:48:02  00:30:01 delay
2018-08-04 05:18:01  No delay
2018-08-04 13:18:02  No delay
2018-08-04 21:33:01  00:14:59 delay
2018-08-05 05:48:02  01:00:00 delay
2018-08-05 13:03:02  00:15:00 delay
2018-08-05 21:03:02  00:15:00 delay
2018-08-06 05:18:02  No delay
2018-08-06 13:18:02  No delay
2018-08-07 00:03:01  02:45:00 delay
2018-08-07 05:18:02  No delay
2018-08-07 13:18:02  No delay
2018-08-07 21:48:01  00:29:59 delay
2018-08-08 05:48:01  01:00:00 delay
2018-08-08 13:48:02  00:30:01 delay
2018-08-08 21:18:01  No delay
2018-08-09 05:33:02  No delay
2018-08-09 14:33:01  01:15:00 delay
2018-08-09 22:33:01  00:44:59 delay
2018-08-10 05:48:01  01:00:00 delay
2018-08-10 13:48:02  00:30:00 delay
2018-08-11 00:48:02  03:30:00 delay
2018-08-11 05:33:02  No delay
2018-08-11 13:18:02  No delay




On Tue, 31 Jul 2018 13:47:39 -0400
Paul Kosinski <clamav-us...@iment.com> wrote:

> There are still over 1/3 signature update sync errors with the new
> ClamAV mirrors.
> 
> You may remember that I previously added code to our ClamAV update
> protocol to verify that the actually available daily.cvd etc. matched
> the version number reported by the DNS TXT record. (This is done by
> using curl to retrieve a short prefix of the daily.cvd etc. files.)
> 
> Some days ago I also added code to summarize any synchronization
> problems. This code logs how much, if any, delay obtains between the
> DNS TXT record reporting a new version and curl agreeing that the new
> version is actually available from a mirror. This protocol operates
> every 15 minutes (giving rise to a rounding error of up to 15
> minutes).
> 
> Recent results are as follows:
> 
> 2018-07-26 05:18:02  No delay
> 2018-07-26 13:18:02  No delay
> 2018-07-26 13:33:01  No delay
> 2018-07-26 13:48:01  No delay
> 2018-07-26 14:03:01  No delay
> 2018-07-26 14:18:02  No delay
> 2018-07-26 21:33:02  00:45:00 delay
> 2018-07-27 05:03:02  No delay
> 2018-07-27 13:18:02  No delay
> 2018-07-27 13:18:02  No delay
> 2018-07-27 21:34:05  No delay
> 2018-07-27 21:34:05  No delay
> 2018-07-28 05:48:02  00:30:01 delay
> 2018-07-28 13:18:02  No delay
> 2018-07-28 21:18:02  00:30:01 delay
> 2018-07-29 05:33:01  00:29:59 delay
> 2018-07-29 14:18:02  01:30:00 delay
> 2018-07-29 21:18:02  00:30:00 delay
> 2018-07-30 04:48:02  No delay
> 2018-07-30 13:33:01  00:44:59 delay
> 2018-07-30 21:48:02  01:00:00 delay
> 2018-07-31 05:18:02  No delay
> 2018-07-31 13:33:02  No delay
> 
> Note: The ClamAV update protocol uses the URL "database.clamav.net",
> which in turn resolves to 1 of 5 IP addresses, which in turn route to
> one of many geographically separated systems. Thus, the delays may not
> correspond to problems with particular paths and/or mirror instances.
> 
> 
> P.S. I can provide a more detailed freshclam log for this if desired.

> 
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