Apache 顶级项目 Apache Pulsar 成长回顾

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"关于 Apache Pulsar"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Apache Pulsar 是 Apache 软件基金会顶级项目，是下一代云原生分布式消息流平台，集消息、存储、轻量化函数式计算为一体，采用计算与存储分离架构设计，支持多租户、持久化存储、多机房跨区域数据复制，具有强一致性、高吞吐以及低延时的高可扩展流数据存储特性。"}]}]},{"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":"本篇文章，我们将带着刚刚圆满结束的 Pulsar Summit 精华版内容，为大家分享 Apache Pulsar 的成长历史。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"关于 Pulsar Summit 会议"}]},{"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":"本次 Pulsar Summit 主要是由 StreamNative 和 Splunk 主办，集结了来自欧洲、亚洲、北美洲众多国际大厂的 CEO、开发人员、数据架构师等。"}]},{"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":"还有来自 Pulsar Committer、Contributor 的实战经验分享，涉及发布/订阅消息、事件流、无服务器计算、实时分析、事件驱动应用程序和管理生产中的关键任务等最佳实践。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Pulsar 项目的成长"}]},{"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":"Pulsar 最初是以「集消息和事件流为一体的云原生平台」出现在众人面前。Pulsar 项目的支撑不仅仅是地域性的，其实更是一个全球性的开源项目，达到了几大洲用户/使用率同步增长的效果。"}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/24/24a85a05f62e624e13652d16ca1c342a.png","alt":null,"title":"","style":[{"key":"width","value":"100%"},{"key":"bordertype","value":"none"}],"href":"","fromPaste":false,"pastePass":false}},{"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":"很多国际性公司，比如 Splunk、Narvar、Instructure、腾讯、虎牙等，这些公司大多看中了 Pulsar 的独特性能，开始用 Pulsar 替代之前的系统进行部署自己的产品，也通过他们的用户扩大了 Pulsar 项目影响力和社区活跃度，使 Pulsar 获得了更多关注。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/1a/1a30727d43ed2c1e3779a221c8438c03.png","alt":null,"title":"","style":[{"key":"width","value":"100%"},{"key":"bordertype","value":"none"}],"href":"","fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"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":"想要获取更多使用 Pulsar 来部署自己产品的公司列表，可以参考："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https://pulsar.apache.org/en/powered-by/","title":""},"content":[{"type":"text","text":"https://pulsar.apache.org/en/powered-by/"}]},{"type":"text","text":"。"}]},{"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","marks":[{"type":"strong"}],"text":"Pulsar 优势"}]},{"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":"同时，在年初我们整理"},{"type":"link","attrs":{"href":"http://mp.weixin.qq.com/s?_biz=MzUxOTc4NDc2MQ==&mid=2247485027&idx=1&sn=77e3bcc5d658e8d4ab4fd3ebf9b4d642&chksm=f9f51635ce829f2354a7181394a7d3cc782b6ef0368d0310314ca3da01d997e3966ab28d9bf8&scene=21#wechatredirect","title":""},"content":[{"type":"text","text":"「Pulsar 年度报告」"}]},{"type":"text","text":"时，也总结出了 Pulsar 的一些优势，比如："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"可以增加产品敏捷性，让公司快速应对市场变化；"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"为业务开发解锁新的使用方向；"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"降低开发成本以及改进客户体验等。"}]}]}]},{"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":"Apache Pulsar 用其差异化特色吸引了越来越多的用户。"}]},{"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":"在调查中也发现，Pulsar 云原生、存储与计算分离和以分片为中心的架构设计，是用户最喜爱的亮点。还有可强伸缩性和高弹性，Pulsar 真的是把 MQ行业的特点拿捏的恰到好处呢，费用不太高还很能干，性价比超高的好嘛！！"}]},{"type":"image","attrs":{"src":"https://static001.geekbang.org/infoq/2b/2bc1dd15e6380101b425306a96aec15c.png","alt":null,"title":"","style":[{"key":"width","value":"100%"},{"key":"bordertype","value":"none"}],"href":"","fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"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":"我们在收集 Pulsar 用户案例时也发现，大部分用户将 Pulsar 用作打造异步应用程序、核心项目等实践，或者是从 Kafka 等项目迁移到 Pulsar 来构建 ETL 流水线（提取、转换、加载）操作等。这也是目前 Pulsar use case 的核心使用场景。"}]},{"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":"同时在个人使用用户中，大家使用最多的功能：比如 Pub/Sub、多租户、跨区域复制、Pulsar Functions 和 Connectors、分层存储，都成为用户青睐的特点，说明 Pulsar 也有其不可替代之处，更多的实用特点还等着大家一起去开发鸭！"}]},{"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","marks":[{"type":"strong"}],"text":"社区成长"}]},{"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":"我们在之前很多时候都是在介绍 Pulsar 产品的一些动态，或者技术上的一些更新发布，很少会去提 Pulsar 整个社区的动态。"}]},{"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":"其实从 2019 年 1月开始，到现在 2020 年 6 月份左右，contributor 的数量从 48 人增加到 280 人左右，18 个月的时间达到了 7 倍级的数量增长。从数据增长上，我们也很感谢大家的参与和项目支持！"}]},{"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","marks":[{"type":"strong"}],"text":"Pulsar 的未来"}]},{"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":"从最开始的项目孵化到现在，基础层面的代码基本没有改动过，一直执行着它「分层分块」架构的模型。在产品方面，Pulsar 的工程师们致力于将最好的基础设施让用户们去构建消息系统。"}]},{"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":"同时，在社区里聆听和接纳用户们的不同需求和建议，对 Pulsar 产品进行一代又一代的更新和完善。"}]},{"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":"从一开始的分层存储 Pub-Sub 开始搭建，添加 Schema 让整个数据变得更加结构化；添加 Functions 让 Pulsar 拥有实时流数据的处理能力；添加 Connector 让 Pulsar 可以与第三方系统更简易化对接；引入 SQL，可以使用 SQL 语言在 Pulsar 里查询数据等等。"}]},{"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":"这些都是 Pulsar 产品的大进步。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Pulsar Message"}]},{"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":"Pulsar 作为一个消息中间件，它的目标一直都是提供最核心的消息发布和订阅，让用户使用不同的协议、语言，从不同的地方来生产和消费消息。"}]},{"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":"对于消息协议的支持，Pulsar 最近也是在不停地拓展。比如已经开源的 "},{"type":"link","attrs":{"href":"http://mp.weixin.qq.com/s?__biz=MzUxOTc4NDc2MQ==&mid=2247485024&idx=1&sn=909bcd69cbf68736983c872de62cc8bb&chksm=f9f51636ce829f20a2a3d2996481630c7be224eb6f4bed7b4090517662cf310210b6c34a3b4b&scene=21#wechat_redirect","title":""},"content":[{"type":"text","text":"KoP（Kakfa on Pulsar）"}]},{"type":"text","text":"、"},{"type":"link","attrs":{"href":"http://mp.weixin.qq.com/s?__biz=MzUxOTc4NDc2MQ==&mid=2247484994&idx=1&sn=fef98bd883801091af2307a3403fd135&chksm=f9f51614ce829f0271cd9436ea032ece3f551c081fb54edca1416cd5fe5a80a3ca0379fde48d&scene=21#wechat_redirect","title":""},"content":[{"type":"text","text":"AoP(AMQP on Pulsar)"}]},{"type":"text","text":"。这些我们之前都发布过文章，大家可以点击文字直接跳转查看。"}]},{"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":"当然，之后我们也会开源出 MoP（MQTT on Pulsar），让 Pulsar 可以更加方便地支持这些不同类型的消息协议。"}]},{"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":"同时关于一些新功能也都在扩展中，比如事务支持、REST API 的生产和消费、只读 broker 、exclusive producer、自动扩缩容等等。这些都会逐渐在未来版本中一一呈现。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Pulsar Storage"}]},{"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":"在存储方面，Pulsar 也在致力成为流数据存储平台，基本都是围绕在性能、可操作性和成本开销方面去进行开发，使 Pulsar 和 BookKeeper 作为高效平台在不同环境中运行。比如说云端存储或者持久化部署。"}]},{"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":"但其实从存储层面看的话，Pulsar 的每一个大版本都围绕存储做了改进，也奠定了存储和计算分离的功能。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"分布式 log：基础存储"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Schema：结构化存储"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"分层存储：无限流容量"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Topic 压缩：表和流二元表达"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Key-Value：函数状态访问"}]}]}]},{"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":"包括新增的 Columnar Offloader、State store 等功能，也在存储层面为 Pulsar 的功能性添砖加瓦。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Pulsar Processing"}]},{"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":"有了消息和存储后，为了让收集到 Pulsar 的数据有价值，就需要计算过程了。Pulsar 在计算层面主要是想做到实时、大规模地处理事件流。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"利用 Pulsar Functions，可以实现更轻量级/无服务器的计算"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"利用 Pulsar-Flink/Spark 集成集合，可以进行批量复杂地流处理计算"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"利用 Pulsar SQL 在 Pulsar 里进行 SQL 或 Presto 语言的交互式查询"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"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":"同时 Pulsar 也在开发 event storage API 接口，可以方便用户直接访问 Pulsar storage，用同一套接口就可以实现搭建 Pulsar-Flink/Spark 等集成应用。"}]},{"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":"除了在计算方面跟其他系统打造集成外，Pulsar 也在 Functions 上做足了功课。接下来的版本更新中，可能会针对 Functions 更新以下功能："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"可插拔的语言运行"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Function registry"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":1,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":" 共享和重用功能"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"可操作性"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":1,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"版本控制功能"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":1,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"升级/回滚"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":1,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"A / B测试"}]}]},{"type":"listitem","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"Connectors(批处理/流连接器)"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"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":"为了使用户可以更容易地使用 Pulsar，也诞生了很多 managements tool。比如前期的 Pulsar Manager、Pulsarctl、Pulsar Helm Chart 等等。"}]},{"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":"更多 Pulsar 管理工具，大家可以在 StreamNative Hub 进行查看和使用："},{"type":"link","attrs":{"href":"https://hub.streamnative.io","title":""},"content":[{"type":"text","text":"https://hub.streamnative.io"}]},{"type":"text","text":"。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"Q & A "}]},{"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":"Q：组合 Function（Function Mesh）会添加么？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"A：目前这个功能的内部实现已经有雏形了，会在接下来的时间内开源出此项目，敬请期待。"}]},{"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":"Q：消息轨迹这个功能，后续会支持吗？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"A：Pulsar 可能不会直接支持消息轨迹，但可能会通过添加命令的方式去追踪实现。"}]},{"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":"Q：Presto SQL 查询 BookKeeper 里面的消息，会对正在生产消费的消息有多大性能影响？读 BookKeeper 会影响写性能吗？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"A：对于正在生产的消息，不会有太大的影响。"}]},{"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":"Q：Pulsar 以后会出商业版本吗，定向支持金融企业？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"A：Pulsar 目前核心的功能还是开源的状态，跟企业相关的安全特性会以插件的方式去实现。后期会出商业化版本。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"总 结"}]},{"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":"本次分享，主要是由 Pulsar Summit opening keynote 内容，向大家简单概括了关于 Pulsar 的一些功能性、概念性的细节。希望通过此次分享，可以让大家更清楚的了解 Pulsar 在生产使用中的目的和效果。"}]},{"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":"如需查看更多细节，可以点击下面视频进行查看。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"video","attrs":{"videoHTML":""}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}