Improving perf of FileChannel.transferTo() on Windows

Seán Coffey sean.coffey at
Thu Nov 6 16:13:38 UTC 2014

Can we get a JBS record logged to track this effort ? It's useful to 
match requests to JBS numbers.

There was over 20 mails exchanged on the TCP Loopback fast path 
enhancement but no mention of the bug seems have been captured in the 
Subject (JDK-8060170)


On 05/11/2014 17:50, Kirk Shoop (MS OPEN TECH) wrote:
> *From:*nio-dev [mailto:nio-dev-bounces at] *On Behalf Of 
> *Kirk Shoop (MS OPEN TECH)
> *From:*Alan Bateman [mailto:Alan.Bateman at]
> . . .
> Are you going to update the patch to only use this path when the 
> SocketChannel is configured blocking?
> Yes, we will post a new webrev when we have changed the code to only 
> apply to blocking sockets.
> Here is the new webrev.
> We also tried to apply what we learned from the previous submission, 
> so this one uses “” as the setting name, 
> allows to enable the setting and adds 
> a test that uses the setting.
> Thanks,
> Kirk
> Developer
> Microsoft Open Technologies, Inc.

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