[jdk8u-dev] RFR: 8049228: Improve multithreaded scalability of InetAddress cache [v3]

[lusou-zhangquan]

On Mon, 15 Aug 2022 09:01:13 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> I've approved this one, but as I commented on the bug, it would be nice to know the reasoning for this backport. Approvals are primarily about risk assessment in the context of the whole JDK.
> 
> In this case, it's been in later JDKs for years, and is realistically borderline between being an enhancement and a bug fix (see https://bugs.openjdk.org/browse/JDK-8171346). I think it would be preferable to deal with any issues in the new code rather than the current outdated code, which is doing its own locking that is prone to error.

This bug is reproduced in our DNS service, which is running on jdk8 and hard to be upgraded to newer versions. So we hope to backport it and eliminate this potential risk for all jdk8 users.

-------------

PR: https://git.openjdk.org/jdk8u-dev/pull/70