Re: [Sks-devel] disk full, keys.niif.hu crashed

[Keith Erekson]

This has happened to my keyserver twice in the last two days. I assumed
it was some sort of malicious behavior, because it happened quite
suddenly both times and had the effect of a DoS. ;-)

For example, I have over 1700 binary log files like "log.0000002014",
each 10MB, created in the last 24 hours. (It would have kept going, but
the filesystem filled up.)

The timestamps show that often 30 or 40 of them are created in the same
minute.

~Keith


On 06/14/2018 11:54 PM, Kiss Gabor (Bitman) wrote:
> Yesterday at 18:15 (CEST) keys.niif.hu started to produce tons
> of logs in /var/lib/sks/DB. In less than 2 hours the 40 GB filesystem
> got fulfilled.
> Deleting files and restarting processes did not help:
>
> recon.log:
> 2018-06-15 05:50:09 Opening log
> 2018-06-15 05:50:09 sks_recon, SKS version 1.1.6
> 2018-06-15 05:50:09 Using BerkelyDB version 5.3.28
> 2018-06-15 05:50:09 Copyright Yaron Minsky 2002-2013
> 2018-06-15 05:50:09 Licensed under GPL.  See LICENSE file for details
> 2018-06-15 05:50:09 recon port: 11370
> 2018-06-15 05:50:09 Opening PTree database
> 2018-06-15 05:50:09 Setting up PTree data structure
> 2018-06-15 05:50:09 PTree setup complete
> 2018-06-15 05:50:09 Initiating catchup
> 2018-06-15 05:50:10 DB closed
>
> db.log:
> 2018-06-15 05:50:09 Opening log
> 2018-06-15 05:50:09 sks_db, SKS version 1.1.6
> 2018-06-15 05:50:09 Using BerkelyDB version 5.3.28
> 2018-06-15 05:50:09 Copyright Yaron Minsky 2002, 2003, 2004
> 2018-06-15 05:50:09 Licensed under GPL. See LICENSE file for details
> 2018-06-15 05:50:09 http port: 11371
> 2018-06-15 05:50:09 Membership: (zimmermann.mayfirst.org 11370)[], ... 
> (keys.jpbe.de 11370)[]
> 2018-06-15 05:50:09 address for zimmermann.mayfirst.org:11370 changed from [] 
> to
>  [<ADDR_INET [2001:470:1:116::6]:11370>, <ADDR_INET [216.66.15.2]:11370>]
> ...
> 2018-06-15 05:50:10 address for keys.jpbe.de:11370 changed from [] to 
> [<ADDR_INET [2001:67c:16c8:32cc::1]:11370>, <ADDR_INET [185.120.22.22]:11370>]
> 2018-06-15 05:50:10 Opening KeyDB database
> 2018-06-15 05:50:10 Shutting down database
>
> Unfortunately I cannot work on restoration till Sunday evening.
>
> Gabor
>
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