Proposal for adding O_DIRECT support into JDK 9

[huaming.li at oracle.com]

On 05/09/2017 2:38 PM, Alan Bateman wrote:
>
>
> On 05/09/2017 04:44, huaming.li at oracle.com wrote:
>> Maybe there is misunderstanding here, I don't mean we should add such 
>> method in test, I means to add a new API in java.nio.ByteBuffer 
>> class, the reason is that "ByteBuffer.allocateDirect(SIZE + alignment 
>> - 1).alignedSlice(alignment);" is necessary for a direct read/write, 
>> a new API for example ByteBuffer.allocateAlignedDirect(size, 
>> alignment) or allocateAlignedDirect(size) might be helpful for direct 
>> io end user.
> This topic was discussed previously and I think we decided not rev the 
> ByteBuffer API in this iteration. One reason is that direct I/O is a 
> super advanced topic and not something that regular developers will 
> use. So I think the right thing is to move forward on the API as is 
> and re-examine the ByteBuffer API at a future time in the event that 
> advanced developers still need additions to help them use the API.
Got it, thank you for clarifying.

-Hamlin
>
> -Alan