KonaJDK 赋能云上 Java 新生态

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"一、"},{"type":"text","text":"自研KonaJDK对于云Java生态的意义"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"JDK 作为 Java 应用的基础设施，在云 Java 生态上的重要性不言而喻。KonaJDK 作为 Tencent 自研 JDK， 已经平稳支撑于腾讯云微服务，消息中间件，大数据等核心业务，同时在信创等场景上作为 Java 业务的基础支撑组件，填补了腾讯云信创场景下 JDK 组件的空白。本文将主要从 KonaJDK 在信创云环境支撑，KonaJDK 支持腾讯云产品的能力拓展与定制化以及 KonaJDK 在大数据场景的优化实践几个方面，介绍 KonaJDK 对于腾讯云 Java 业务的支撑与优化。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"二、KonaJDK 信创环境支撑"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"信创云环境中 Java 业务要求 JDK 能够稳定高效的支撑国产 CPU 运行环境。其中主要的 CPU 指令集为 aarch64。通过我们调研，目前 JDK8 在 aarch64 指令集的情况如下:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"OpenJDK"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"OpenJDK8 在主线分支中并没有 aarch64 指令集的支持，网上能够找到的开源版本，都是开源社区几个主要参与者贡献的。对于腾讯云业务来说，开源版本并没有在生产系统中得到验证，也没有专门的人力进行代码的维护与更新。所以在可维护性，安全性及稳定性上都存在风险。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"OracleJDK"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}