이커머스 기업 쿠팡은 폭발적인 성장에 대응하기 위하여 Amazon Aurora 기반의 선택과 집중을 통해 DBA가 보다 의미 있는 일에 투자할 수 있도록 하고 있습니다. 삼성전자의 채팅플러스는 높은 수준의 가용성을 요구하는 통신 서비스의 특성에 맞게 적절한 AWS 데이터베이스를 활용하고 있습니다. 이 세션에서는 쿠팡이 Amazon Aurora를 통하여 얻은 경험 기반의 혁신 사례를 소개하며, 삼성전자에서 수 천만 명의 트래픽을 다루기 위해 Amazon DynamoDB, Amazon ElastiCache for Redis를 활용했던 경험을 공유합니다.

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S E O U L | M A Y 3 , 2 0 2 3

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Principal Engineer, Architect Database Administrator
Solutions Architect
AWS

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1.
2. AWS -
3. “Shared repository architecture style”
4. 대용량 트래픽, 쿠팡의 DB 엔지니어가 클라우드를 사용하는 방법
Agenda

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Modern application requirements
, AWS
Users 1M+
Data volume Terabytes—petabytes
Locality Global
Performance Microsecond latency
Request rate Millions per second
Access Mobile, IoT, devices
Scale Virtually unlimited
Economics Pay as you go
Developer access Instance API access
Development Apps and storage are
decoupled
Online
gaming
Social
media
Media
streaming
E-commerce Shared economy

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.
, , ,

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© 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.
?

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AWS purpose-built databases
Aurora RDS DynamoDB DocumentDB Timestream
Neptune
ElastiCache QLDB Keyspaces
MemoryDB

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Shared Repository Architecture Style
Design Strategy
삼성전자

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Rich Communication Service
38,000,000 /
49,000,000 /
Chatbot Platform
File Transfer
Instant Messaging
SBC
NNI
Group Messaging
31,000,000
Capability Discovery
GSMA, TTA

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RCS1.0
SAMSUNGRCS1.0
(2019)
Cluster-0
P-CSCF
S-CSCF
I-CSCF
HSS
Cluster-1
P-CSCF
S-CSCF
I-CSCF
HSS
Cluster-N
P-CSCF
S-CSCF
I-CSCF
HSS
SLF
“Lift and Shift”
1,000,000
10~20
Account
Cluster
Cluster-0
Cluster-1
Cluster-N
20%
30%
80%
…

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RCS1.0 / RCS2.0
SAMSUNGRCS1.0
(2019)
Cluster-0
P-CSCF
S-CSCF
I-CSCF
HSS
Cluster-1
P-CSCF
S-CSCF
I-CSCF
HSS
Cluster-N
P-CSCF
S-CSCF
I-CSCF
HSS
SLF
SAMSUNGRCS2.0
(2022)
“Lift and Shift”
1,000,000
10~20
Account
Service
Instant
Messaging
Capability
Discovery
Border
Controller
File
Transfer
Group
Messaging
/
ISSUE
“ ”

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Shared Repository Architecture Style
Account
Service
Instant
Messaging
Capability
Discovery
Border
Controller
File
Transfer
Group
Messaging
Allocation
Service
Amazon Aurora
Amazon DynamoDB
Amazon ElastiCache
Chatbot
Profile
Amazon ElastiCache
MaaP
Service
ISSUE
&
Amazon
DynamoDB

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SAMSUNG RCS 2.0 CHATBOT PROFILE SERVICE
,
( )
Cache
Aurora

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,
( )
Cache
Aurora
Aurora
ElastiCache
SAMSUNG RCS 2.0 CHATBOT PROFILE SERVICE

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Aurora
Aurora
ElastiCache
Aurora
ElastiCache
Data Provider Service - Local cache
Chatbot Profile
invalidate
del
,
( )
Cache
Aurora
update
invalidate
ElastiCache
delete
key_event
missing
Local Cache
SAMSUNG RCS 2.0 CHATBOT PROFILE SERVICE

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Aurora
Aurora
ElastiCache
Aurora
ElastiCache - Key event subscription
Data Provider Service - Local cache
Chatbot Profile
invalidate
key_event
del
Aurora update
invalidate
ElastiCache
delete
Local Cache
delete
key_event
Aurora
ElastiCache
Data Provider Service - Local cache
,
( )
Cache
Aurora
update
invalidate
ElastiCache
delete
key_event
missing
Local Cache
SAMSUNG RCS 2.0 CHATBOT PROFILE SERVICE

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SAMSUNG RCS2.0 ALLOCATION SERVICE
Handover, WIFI
,
Aurora
DynamoDB

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Handover, WIFI
,
Aurora
DynamoDB
DynamoDB - Strong consistency read
Aurora - Consistency lock
SAMSUNG RCS2.0 ALLOCATION SERVICE

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Aurora
DynamoDB
DynamoDB - Strong consistency read
Aurora - Consistency lock
DynamoDB - Strong consistency read
ElastiCache
cache
Handover, WIFI
,
SAMSUNG RCS2.0 ALLOCATION SERVICE

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Aurora
DynamoDB
DynamoDB - Strong consistency read
Aurora - Consistency lock
DynamoDB - Strong consistency read
ElastiCache
DynamoDB - Strong consistency read
ElastiCache
Data Provider Service - Elastic Cache consistency lock
cache
Handover, WIFI
,
SAMSUNG RCS2.0 ALLOCATION SERVICE

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, TACTICS
( )
- 5
- 10
30%
RCS1.0 13%
“ Managed Service
.”

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,
DB

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MSA
N x100

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G R A N U L A R - M S A
• .
• ,
.
• .
• .
• ,
sharding .

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2019 2020 2021 2022
ACL 150 426 902 1404
DDL 1214 2161 3124 4065
DML 684 2094 3414 5341
150
426
902
1404
1214
2161
3124
4065
684
2094
3414
5341
0
1000
2000
3000
4000
5000
6000
DML, DDL, ACL 작업 요청 증가 추세
681%
235%
836%
DML( )
DDL( )
ACL(DB )

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•
.
•
.
• .
•
.
24
/

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- DML
400~500

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- DDL
300

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서비스 안정화 방법들
•
•
•
•
•
•
• /

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•
•
•
•
•
•
• /
On-premise
AWS
MySQL
30

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/ -
COUPANG’S BLUE/GREEN SERVICE

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/ -
COUPANG’S BLUE/GREEN SERVICE

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WOW the customer

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Factors to consider when choosing a purpose-built database
Application Workload
Data Shape
Performance requirements
Operation burden

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감사합니다
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