日新月異的科技帶動消費者行為的改變，利用創新營運模式創造多元使用者體驗，已然是各產業刻不容緩的議題。尤其以數位化為目標的企業，多數希望運用容器技術實踐微服務、批次處理、應用程式遷移至雲端，讓以往動輒需時半年以上的應用系統版本更新週期，得以縮短到每天、甚至是即時提出更貼近消費者喜好的服務，藉此贏得商機。 4/23(二)於台大醫院國際會議中心舉辦「AWS微服務時代 創新動能研討會」將邀請AWS客戶和與會嘉賓分享經驗，從地端走向雲端，了解如何透過最新技術發展創新應用，增加企業競爭力，引領中小企業在策略和技術上的改變，點燃創意之火，更添產業動能。

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區塊鏈資料分析公司
- 將鏈上與交易所交易整理為會計資料
- 幣安孵化器
2
馮彥文
- fb.me/tempofeng

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從 Server 到 Serverless
Gamelet
Tomcat /
Colocation /
MySQL
3
2011 2014 2016
Cubie
WAR /
EC2 /
Cassandra
Komma Space
WAR /
Elastic Beanstalk /
DynamoDB
Decore
Java,Kotlin,Typescript /
Lambda /
DynamoDB

4. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Ethereum Blockchain Data > 200G
4
• 資料存取速度
• 帳戶資料多寡不平衡
• 架構越簡單越好
• DynamoDB
• Lambda

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MySQL > NoSQL
5

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Gamelet：Facebook 平台遊戲
6
Colocation
從 MySQL 轉換到 NoSQL

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因 Alter table 停機一天半
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從 MySQL 轉換到 NoSQL

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為什麼要用 DynamoDB （或是其他的 nosql 資料庫）?
1. 不需要設計 data schema
2. 可一直橫向擴充，不需 Sharding（分片）
3. 不管資料大小，讀取或寫入都是接近固定的時間
8

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用「需要事先規劃的 Query」換取「固定的存取速度」
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可新增多筆
Global/Local
Secondary Index

10. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
DynamoDB vs Relational Database
• DynamoDB 資料存取是固定時間
• RDBMS Transaction 比 DynamoDB Transaction 靈活
• DynamoDB Index 只能使用一組 Hash Key 與 Sort Key，一次 Query 只能使用一組
Index
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Department Name Age {Name, Age}
Engineering Tom Lee 42 {Tom Lee, 42}
Engineering Ann Chen 27 {Ann Chen, 27}
Marketing May Wu 41 {May Wu, 41}
Engineering Jack Chen 42 {Jack Chen, 42}

11. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
rockset.com
• Smart Schema (Index) + Hadoop
• Query returns in MS
11
Streaming ingest
Rockset
Write API
Bulk ingest
Schemaless ingest
No pipelines or ETL needed
Real-time indexing
Apps
Dashboards
SQL

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Dedicate Servers >
Elastic Beanstalks >
Lambda
12

13. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Elastic Beanstalk > Lambda
13
Komma Space
WAR /
Elastic Beanstalk /
DynamoDB
Decore
Java,Kotlin,Typescript /
Lambda /
DynamoDB

14. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
Elastic Beanstalk > Lambda
14
Two people team ……
- 非常容易部署
- 對小服務相當便宜
- 可擴展的架構 - 15 分鐘限制

15. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
AWS Lambda Deployment
• Javascript, Typescript
• https://serverless.com/
• Java, Kotlin
• https://github.com/classmethod/gradle-aws-plugin
• https://github.com/tempofeng/lambda-local
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16. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
AWS Stacks in Decore
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Rest, GraphQL
Lambda DynamoDB
Step Functions
Lambda Lambda
Lambda
Rockset
Client App

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Cold Start
17

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Thank you
18