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hythloday
on March 9, 2012
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Why I'm Moving Away from the Play Framework
Just FYI, ConcurrentHashMap is indeed lockfree (although it's got a gargantuan memory footprint). Wrapping your HashMap with Collections.synchronizedMap gives you a blocking threadsafe HashMap.
runT1ME
on March 9, 2012
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ConcurrentHashMap is not lock free, it uses lock striping across multiple buckets.
hythloday
on March 10, 2012
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I stand corrected.
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