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The following blocking operations are fiber friendly in the current prototype; these methods do not pin the carrier thread when the operation blocks.

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socket adaptor receive also okay

write and send do not block

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The following blocking operations are not currently fiber friendly; these methods pin the carrier thread when the operation blocks.

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getByName, getAllByName, ..

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These methods block in NSS/equivalent and are invoked using a ManagedBlocker to allow the number of carrier threads to increase when fibers are blocked in these lookup mechanism. Alternative options being explored are using a separate thread pool for lookups or dusting off the JNDI DNS provider.

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