Perl 6 - the future is here, just unevenly distributed

IRC log for #metacpan, 2015-06-17

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All times shown according to UTC.

Time Nick Message
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10:44 tomred1 mo: I'm getting a warning when using the traits => ['Chained'].
10:44 tomred1 Implicit use of the Chained trait is deprecated. Please load MooseX::Attribute::Chained explicitly at /opt/perl5/lib/site_perl/5.20.2/Moose/Meta/Attribute/Custom/Trait/Chained.pm line 19.
10:45 tomred1 Someone suggested the warning may be old
10:45 tomred1 Any thoughts?
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13:58 oalders tomred1: this is in metacpan-web?
14:03 tomred1 oalders: No.  mo is the maintainer of that module and i'm using it at $work
14:04 oalders tomred1: i'd email him. he's not on IRC that much
14:13 tomred1 oalders: Ok. Thanks.
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18:59 ianburrell I’m trying to track down corrupted downloads from http://cpan.metacpan.org/
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20:22 trs ianburrell: corrupted how?
20:22 ianburrell Right length but with some bytes changed.
20:25 trs do you have a reproducible example?
20:25 * trs uses that mirror many times daily with automatic checksum validation, and it's never failed.
20:27 ianburrell I don’t think the files on mirror are corrupted since it is random and each corrupt version is different.
20:28 ianburrell It definitely could be our network but it only seems to affect this host.
20:28 ianburrell Could be problem with particular CDN node we are hitting.
20:29 ianburrell I have been testing with this command: for n in `seq 1 50`; do curl -s -o DBD-CSV-0.41.tgz.$n http://cpan.metacpan.org/authors/id/H/HM/HMBRAND/DBD-CSV-0.41.tgz; md5sum DBD-CSV-0.41.tgz.$n; done
20:30 ianburrell Some have a few errors, some have lots. They do look like single bit errors from cmp.
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20:43 oalders ranguard: ^^
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21:11 trs ianburrell: hmm.  I can't replicate.
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21:14 trs I'm using this: for n in `seq 1 50`; do curl -s -o DBD-CSV-0.41.tgz http://cpan.metacpan.org/authors/id/H/HM/HMBRAND/DBD-CSV-0.41.tgz; echo "9f444850fc0c03f465b2ff9a222a2809  DBD-CSV-0.41.tgz" | md5sum -c; done
21:14 trs tried from both Seattle and Philadelphia.
21:15 trs also London
21:18 ianburrell I can’t recreate from other location either. I’m pretty sure it is just the one CDN cache we are hitting. Or could be our network but would expect problems with other hosts.
21:18 trs ianburrell: does it still happen if you switch to https
21:18 trs ?
21:25 ianburrell trs: It fails with SSL errors
21:25 trs what kind of SSL errors?
21:29 ianburrell curl: (56) SSL read: errno -12273
21:29 trs that sounds to me like your network traffic is getting bitflipped.
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21:33 trs 12273 is SSL_ERROR_BAD_MAC_READ
21:33 trs MAC is Message Authentication Code
21:33 trs i.e. a checksum
21:33 trs of sort
21:33 ianburrell trs: Hopefully, just between us and the Fastly CDN.
21:34 ianburrell That’s what I figured.
21:34 trs so either a) network is flaky or b) openssl stack is flaky on either your end or their end.
21:35 trs where network is either physical hardware or the software networking stack.
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