This PR proposed to reduce contention in synchronized methods mainly by doing I/O operations outside synch blocks.
------------- Commit messages: - Reduce contention Changes: https://git.openjdk.org/jdk/pull/12193/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12193&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8300917 Stats: 42 lines in 1 file changed: 15 ins; 14 del; 13 mod Patch: https://git.openjdk.org/jdk/pull/12193.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12193/head:pull/12193 PR: https://git.openjdk.org/jdk/pull/12193
