elasticsearch/elasticsearch — pull request #8494 by s1monw (2014-11-16 19:33:30+00:00)
Title: [CORE] Ban all usage of Future#cancel(true)

Interrupting a thread while blocking on an NIO Read / Write Operation
can cause a file to be closed due to the interrupts. This can have unpredictable
effects when files are open by index readers etc. we should prevent interruptions
across the board if possible.