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An unexpected perf feature
LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
LWN.net Weekly Edition for May 9, 2013
Although it's likely that the lock is held many times before we can take it,
it's more important to run the critical section as fast as possible when it
finally gets available.
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