[jdk8u-dev] RFR: 8049228: Improve multithreaded scalability of InetAddress cache [v2]

[lusou-zhangquan]

> Backport JDK-8049228 to improve multithreaded scalability of InetAddress cache
> 
> Backport-of 250fbb065a789a303d692d698c9b69117bf6cd2c

lusou-zhangquan has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  8049228: Improve multithreaded scalability of InetAddress cache
  
  Backport-of 250fbb065a789a303d692d698c9b69117bf6cd2c

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Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/70/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/70/files/799a4f39..5fbde719

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=70&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=70&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/70.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/70/head:pull/70

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