https://www.elastic.co/blog/logstash-2-3-0-and-2-2-3-released
Logstash 2.3.0 has been released today, packed with extremely useful new features, an awesome performance boost and a few bug fixes. You can read the detailed release notes here, or jump directly to our downloads page if you can’t wait to test drive this release! Additionally, we’ve released an update to the 2.2.x series, with a bunch of important bugs packaged in 2.2.3. You can read the changelog for 2.2.3 here.
最主要改动了动态配置文件载入 reload
不需要kill在start了
Note: All benchmark