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2.Where we’ve come 2017 2019 2013 Enter 100+ Adopters Yahoo! ASF 10+ Meetups 2011 Cloud Messaging … Hedwig / SNP 2018 2010 2016 Top Level Apache BookKeeper OpenSourced Apache Project 

3.Pulsar Releases • 2.2.0 - 10/27/2018 • 2.2.1 - 12/14/2018 • 2.3.0 - 02/22/2019 • 2.3.1 - 04/12/2019 • 2.3.2 - 05/02/2019 • 2.4.0 - 06/29/2019 

4.From Pub/Sub to Event Streaming • Unified Messaging Model • Layered Architecture • Segment-centric Storage • Pulsar Functions • Pulsar IO • Schema Registry • Tiered Storage • Transaction • … 

5.Pulsar Meetups (China) • 2018.10 - Pulsar Meetup Beijing • 2018.12 - Pulsar Meetup Shanghai • 2019.03 - Pulsar Meetup Hangzhou • 2019.06 - Pulsar Meetup Shenzhen • 2019.08 - Pulsar Meetup Beijing 

6.Pulsar Community (China) 

7.Pulsar Community (China) 

8.Pulsar Community 

9.User Cases • Event Center • Push Notification • Worker Queue • Transaction / Billing • IoT • Logging Pipeline • Streaming-first, unified data processing • Realtime Data warehouse • … 

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