Who am I?
Tech Lead, Varnish PFID @ Fastly
Personal interest in performance,
debugging, concurrency, and
introspection.
Usually confused about something.
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Why does debugging matter?
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The Root of the Problem
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“Everyone knows that debugging is
twice as hard as writing a program in
the first place. So if you're as clever as
you can be when you write it, how will
you ever debug it?” (Brian Kernighan,
TEOPS, 1974)
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“The relationships between debugging success
and individual factors … have not been
researched… Given that debugging presents
challenges for many novices, exploring the
influence of self theories on student approaches
to debugging appears worthwhile.”
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sub vcl_recv {
if (req.http.answer ~ “^42) {
log “enlightened client”;
}
return vcl_fetch;
}