8202261: (fc) FileChannel.map and RandomAccessFile.setLength should not preallocate space

Fri Apr 27 02:21:24 UTC 2018

Sounds good, we can test the changes.

Ismael

On Thu, 26 Apr 2018, 12:06 Alan Bateman, <Alan.Bateman at oracle.com> wrote:

> On 26/04/2018 15:25, Ismael Juma wrote:
>
> Seems like JDK-8202261 has been merged. Would a backport to Java 10 be
> considered? We would like to recommend Java 10 for Kafka users due to much
> faster TLS and CRC32C, but the increased disk usage (without JDK-8202261)
> could take users by surprise.
>
> It would be useful to get folks trying out the changes in the JDK 11 EA
> builds before any back ports are considered. This week's build should be
> jdk-11+11. It's not tagged yet so I can't tell if the changes pushed a few
> hours ago will be in this build or next week's jdk-11+12.
>
> -Alan
>
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