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1.Go In Apache Pulsar
Xiaolong Ran @wolfstudy
Apache Pulsar committer
2. Go in Apache
Pulsar
01 Pulsar && Github 02 Apache Pulsar 概括
03 Go Client In Pulsar 04 Q && A
3. 01
Introduction to
Apache Pulsar Community In Github
4.A brief history of Apache Pulsar
2017 2019
2013 Enter 100+ Adopters
Yahoo! ASF 10+ Meetups
2011 Cloud Messaging …
Hedwig / SNP 2018
2010 2016 Top Level
Apache BookKeeper Open Source Apache Project
5.Apache Pulsar Users (China) http://pulsar.apache.org/en/powered-by/
6.Apache Pulsar Users (global) http://pulsar.apache.org/en/powered-by/
7.Apache Pulsar Community
• 180+ contributors, 30+ committers, 24+ PMC
• 4000+ commits
• 1100+ forks, 4500+ stars
• 1000+ active members on Slack
• 1000+ active members on WeChat
8.Apache Pulsar Contributions
9.Apache Pulsar PR / Issues
10.Apache Pulsar Git clones
11.Visitors of Apache Pulsar Community
18.Cloud-native Architecture
19.Cloud-native Architecture
20.Segment Centric Storage
21. Tiered Storage
•Infinite Stream: 以流的⽅式永远保存原始
数据
• 分区的容量不再受限
•充分利⽤云存储或者现有的廉价存储
（e.g.HDFS）
•数据统⼀表征：客户端不需要关⼼数据究竟
存储在哪⾥
23. 03
Go Client In Apache Pulasr
24. CGO Is Not Go
• Go 最初的定位（下⼀代的 C 语⾔）
• 混合编程 （C && Go）
• CGO 是⼀种⼯具，不是对 Go 语⾔的扩展
• 不⽀持交叉编译
25. 性能损耗
• Go 的内存模型与 C 的不⼀致
• ⼤量的 runtime.cgocall() <go tool objdump>
• 阻塞可能导致 M 的数量陡增
• 内存管理的⽅式不同
26. 使⽤ CGO 的感悟
• ⼀定要严格控制边界
• 谨慎使⽤指针
• 注意类型转换
• 尽量减少 C 的调⽤
• 注意内存在哪⾥分配
27.How to join Apache Pulsar Community
• Mailing lists:
dev@pulsar.apache.org
users@pulsar.apache.org
• Github:
https://github.com/apache/pulsar
https://github.com/apache/pulsar-translation
• Slack:
https://apache-pulsar.slack.com/
https://apache-pulsar.herokuapp.com/
• WeChat
回复：进群
28.How to join Apache Pulsar community
Global China
• Comm
• Content
• Video
• slides
• Meetup
https://streamnative.io/
