[erlang-questions] +secio emulator flag

Mikael Karlsson <>
Thu Aug 31 10:07:01 CEST 2017


Hi,

I noticed that the secio emulator flag (scheduler eager check for io)
default value has changed from false to true since ERTS 7.0. Could someone
explain what this means in practice, I do not quite understand the line:
"This, however, also implies that execution of outstanding I/O operation is
not prioritized to the same extent as when false is passed."

Is there any special cases where you would prefer to still have it set to
false.

/Mikael
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