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Race condition inside of the cache #8

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mailgun opened this Issue Apr 10, 2012 · 1 comment

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@ghost

ghost commented Apr 10, 2012

See the bottom of the stack trace below. This happens under load, when multiple threads are invoking query()

return dns_resolver.query(hostname, record_type)
File "build/bdist.linux-x86_64/egg/dns/resolver.py", line 591, in query
answer = self.cache.get((qname, rdtype, rdclass))
File "build/bdist.linux-x86_64/egg/dns/resolver.py", line 208, in get
self.maybe_clean()
File "build/bdist.linux-x86_64/egg/dns/resolver.py", line 195, in maybe_clean
del self.data[k]
KeyError: (, 15, 1)

Owner

rthalley commented Mar 31, 2013

The caches are now locked.

@rthalley rthalley closed this Mar 31, 2013

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