java - Asynchronous File Upload Servlet -

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is recommended use asynchronous or nio servlet file upload? if so, sample code start great me.

i'd know version of tomcat supports async / nio servlet too.

no...

...use standard blocking io stuff.

nio not automagically translate 'faster' old school blocking io. in fact, many people have reported degraded performance asynchronous nio implementations years, on top of code being considerably more complex code, understand, maintain , debug.

if doesn't scare off, remember 2 important engineering concepts:


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