Cos con19 about Pulsar (By Yu Liu)
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This document summarizes Yu Liu's background and experience with Apache Pulsar and open source communities. It discusses strategies for building a welcoming community, including standing in users' shoes, discovering real needs, making users feel valued, and growing together with users. Tangible and intangible ways of understanding community needs and engagement are outlined. The importance of iteration, releasing often, and creating a virtuous feedback loop between projects and users is emphasized. Examples of major Pulsar users and the features they contributed are provided to illustrate this process. Challenges and solutions for technical support are also discussed.
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Cos con19 about Pulsar (By Yu Liu)
- 1. Self intro Yu Liu HP Technical writer Apache Trafodion Committer (HTAP database) StreamNative Content strategist Apache Pulsar Contributor
- 2. How to build a welcoming community 4Continue from Jennifer’s talk - Apache Pulsar Events
- 3. Rapid growth from 2019/04
- 4. ü Stand in users’ shoes ü Discover users’ real needs ü Make users feel valued ü Grow up with users
- 5. ü Stand in users’ shoes q Make it easy-to-use • Document everything • You are what you write q Fast responsive
- 6. Developer - get started easily
- 7. Developer - build development environment quickly
- 8. Technical writer - contribute doc conveniently
- 9. Translator - start translation simply
- 10. ü Stand in users’ shoes q Make it easy-to-use q Fast responsive
- 12. Real-time discussion Mailing list GitHub PR/Issue
- 13. ü Stand in users’ shoes ü Discover users’ real needs ü Make users feel valued ü Grow up with users
- 14. Tangible – measured with computer • Pull requests • Issues • Tests • Questions posted/answered • ...
- 17. Intangible – associated with humans Hard to measure • Motivation • Engagement • Respect • Satisfaction • ...
- 18. Intangible – observe body language How satisfied users are at a meetup: • How many users sit close to the front? • How many users are on their laptops while watching talks? • How many hands go up for questions? • How many eye contacts between speakers and users? • How many users are tweeting out to the hashtag while watching talks? • ...
- 19. What users needs are at meetup • Case studies attract the most • Eager to talk with PMC/committer • 30min speech + 10min Q&A • Half day
- 20. ü Stand in users’ shoes ü Discover users’ real needs ü Make users feel valued ü Grow up with users
- 21. Motivate users with incentives Users are rewarded with extrinsic rewards • T-shirt • Bag • Sticker • Gadget • Conference tickets • ... 2019/06 Apache Pulsar Meetup | Shenzhen Users got Pulsar T-shirts as rewards
- 22. Motivate users with incentives Apache Dubbo
- 23. Motivate users with incentives Users are rewarded with intrinsic rewards • Increased responsibilities • Reputation • Kudos • ... 2019/08 Apache Pulsar Meetup | Beijing PMC/committers are invited to give speeches and share experiences
- 24. ü Stand in users’ shoes ü Discover users’ real needs ü Make users feel valued ü Grow up with users
- 25. Pulsar roadmap • Iterate fast • Release often 2.2.0 2018/10 2.2.1 2019/01 2.3.0 2019/02 2.3.1 2019/04 2.3.2 2019/05 2.4.0 2019/06 2.4.1 2019/08 2.4.2 2019/11
- 26. Virtuous circle between Pulsar & users • Positive feedback loop • Continuous process of improvement Needs Develop features Contribute back Pulsar
- 27. Pulsar major user - Zhaopin.com • First domestic company uses Pulsar in production Scenario • Messaging system Pains • RabbitMQ + Kafka: high cost, data inconsistency, etc. Replace • 2018/08: replace RabbitMQ with Pulsar in production • Reason: scale up, disaster recovery, message rewinding, etc. Contribute • 2018/08: contribute back to Pulsar • Reason: deal letter topic, message tracing, etc.
- 28. Core features contributed by Zhaopin.com • Dead letter topic • Key_shared subscription • Client Interceptors • Time partitioned un-ack message tracker • Key based message batcher • Service URL provider • Schema improvements Pulsar 2.5.0 • Bulk writing interface of messages • HDFS offloader • System topic • Sticky consumer • SQL improvements
- 29. Core features contributed Tencent Scenario • Billing system Pains • Read cached messages in bulk mode slows down message consumption • Way of reading LAC for bookie is incorrect • Cluster does not support read/write splitting Develop • Synchronous replication across cities • Read only broker Contribute • Contribute back to Pulsar in 2019/12
- 30. Features contributed by StreamNative Pains • Pulsar Dashboard: simply collects and displays info and lacks the ability to manage Pulsar (cluster, tenant, namespace, topic, etc.) • Pulsar: incomplete ecosystem Needs • A management console • Comprehensive ecosystem Develop • Pulsar Manager: a simple and easy-to-use GUI management tool with multiple features (support dynamic configurations of multiple environments) Contribute • StreamNative open sourced and contribute Pulsar Manager to community in 2019/09 Apache Pulsar Manager
- 32. Challenge Too many questions in WeChat group and Slack q Technical support eats up much time q Duplicated questions are answered many times but not well collected, categorized, and documented
- 34. Advantage User • Live interactive experience • Get real-time on-demand contents (AMA) • Learn expertise shared by core engineers directly Pulsar • Learning Pulsar becomes more accessible (diverse learner base) and impactful that never seen before • Reuse lectures • Cost-effectiveness Instructor • Metric available • Collaborative environment and sharing possibilities Writer/Translator • Convert knowledge to documents
- 35. Q & A Thank you