Perl 6 - the future is here, just unevenly distributed

IRC log for #metacpan, 2017-10-11

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All times shown according to UTC.

Time Nick Message
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02:47 Topic for #metacpan is now https://github.com/metacpan/metacpan-api/wiki/MetaCPAN-V1-announcement-and-migration-plan | MetaCPAN Developer VM https://github.com/metacpan/metacpan-developer | Chat logs available at http://irclog.perlgeek.de/metacpan/ | Can't find your module on MetaCPAN? https://metacpan.org/about/missing_modules
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15:27 jberger wow metacpan is running slow today
16:26 karjala Yes
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18:27 Grinnz indeed...
18:27 Grinnz API seems fine though
19:18 alh Metacpan has been reaaaaaaaaaly slow for me today as well
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19:44 trs It looks like there's a large spike in network traffic that started yesterday: http://munin.metacpan.org/munin-cgi/munin-cgi-html/metacpan.org/lw-mc-03.metacpan.org/if_eth0.html
19:44 trs combined with a jump in disk reads: http://munin.metacpan.org/munin-cgi/munin-cgi-html/metacpan.org/lw-mc-03.metacpan.org/diskstats_throughput/index.html
19:45 trs and spending more time in iowait states: http://munin.metacpan.org/munin-cgi/munin-cgi-html/metacpan.org/lw-mc-03.metacpan.org/cpu.html
20:10 trs https://gist.github.com/tsibley/7b4ec2ab0e5c3b2cb0fca6f14716603a
20:10 trs Looks like something's hammering an endpoint.
20:12 Grinnz that request looks super messed up
20:12 Grinnz %3B is a semicolon fwiw
20:16 jberger do the requests come from the same ip?
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21:05 trs Grinnz: yes, I know.  It's a ridiculously bad request.
21:06 trs jberger: fastly makes it hard to know that.
21:06 trs since what we're currently logging are fastly's IPs
21:07 trs The request does work just fine, so our servers still do the work required to fulfill it.
21:07 ranguard I've blocked the user
21:07 trs ranguard++
21:08 ranguard trs: the nginx logs have BOTH the client ip and then the fastly ip in them already
21:08 trs oh whomp.
21:08 trs I didn't see it, but must have missed it!
21:08 trs ooooh, I see.
21:09 Grinnz nice and fast now. ranguard++
21:09 Grinnz could you tell if the request itself was super taxing, or if there was just such a high volume?
21:10 ranguard Grinnz: 490246 requests today.. that's a lot
21:10 ranguard fastly++ # very easy to just add a rule to block :)
21:12 jberger holy carp!
21:14 oalders what was the request?
21:15 Grinnz see the above gist
21:15 ranguard oalders: lots of different ones... all from `2001:da8:8001:2303:1618:77ff:fe3d:240c`
21:15 trs They seemed to mostly pointed at /requires/distribution/Foo…
22:28 grantm whois says that IP belongs to Fudan University, Shanghai, China
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22:54 Grinnz my first assumption would be it's a fuzzer, but the query string is bizarre enough to suggest that it's wildly broken code

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