Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
GraphQL at Twitter
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
George Leontiev
February 21, 2019
Technology
0
160
GraphQL at Twitter
George Leontiev
February 21, 2019
Tweet
Share
More Decks by George Leontiev
See All by George Leontiev
Typelevel programming in Scala (with lies)
folone
0
480
Case study: typelevel programming in real world
folone
1
620
Type level programming in Scala
folone
0
510
ScalaUA: Typelevel Scala
folone
2
220
Hands-on TLC
folone
2
970
42: Rise of the dependent types
folone
2
480
∃ PROLOG |PROLOG ∈ SCALA
folone
5
1.1k
42.type: Literal-based Singleton types
folone
4
1.5k
There's a Prolog in your Scala!
folone
6
4.1k
Other Decks in Technology
See All in Technology
プロダクト成長を支える開発基盤とスケールに伴う課題
yuu26
4
1.3k
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
13k
Bill One急成長の舞台裏 開発組織が直面した失敗と教訓
sansantech
PRO
1
300
SREじゃなかった僕らがenablingを通じて「SRE実践者」になるまでのリアル / SRE Kaigi 2026
aeonpeople
6
2.1k
usermode linux without MMU - fosdem2026 kernel devroom
thehajime
0
220
フルカイテン株式会社 エンジニア向け採用資料
fullkaiten
0
10k
Data Hubグループ 紹介資料
sansan33
PRO
0
2.7k
クレジットカード決済基盤を支えるSRE - 厳格な監査とSRE運用の両立 (SRE Kaigi 2026)
capytan
6
2.6k
AWS Network Firewall Proxyを触ってみた
nagisa53
0
110
会社紹介資料 / Sansan Company Profile
sansan33
PRO
15
400k
~Everything as Codeを諦めない~ 後からCDK
mu7889yoon
3
270
名刺メーカーDevグループ 紹介資料
sansan33
PRO
0
1k
Featured
See All Featured
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
100
Skip the Path - Find Your Career Trail
mkilby
0
53
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
A better future with KSS
kneath
240
18k
Become a Pro
speakerdeck
PRO
31
5.8k
Dominate Local Search Results - an insider guide to GBP, reviews, and Local SEO
greggifford
PRO
0
77
Documentation Writing (for coders)
carmenintech
77
5.2k
Ruling the World: When Life Gets Gamed
codingconduct
0
140
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
0
2.3k
Lightning Talk: Beautiful Slides for Beginners
inesmontani
PRO
1
430
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.8k
Google's AI Overviews - The New Search
badams
0
900
Transcript
George Leontiev AgentConf — February 2019
George Leontiev @YukiFartlek
None
None
None
Datastorage Thrift HTTP
HTTP Thrift Datastorage
HTTP Thrift Datastorage
None
HTTP Thrift GraphQL API
Schema
None
A federated database brings together multiple data sources so that
they can be queried and mutated uniformly.
GraphQL brings together multiple data sources so that they can
be queried and mutated uniformly.
Strato brings together multiple data sources so that they can
be queried and mutated uniformly.
Column({ name = "User/birthday", source = DbColumn({ dest = "twitter_db",
dataset = "birthdays", mapping = KeyValue({ key = Type(Long), // User ID value = Type(Long) // Timestamp }) }) })
Column({ name = "User/birthday", source = DbColumn({ dest = "twitter_db",
dataset = "birthdays", mapping = KeyValue({ key = Type(Long), // User ID value = Type(Long) // Timestamp }) }), graphql = Field("User", "birthday") })
Subscriptions
None
Clients subscribe to an event with a GraphQL query and
receive payloads. — Laney Kuenzel
Clients subscribe to an event with a GraphQL query and
receive payloads.
Subscriptions EventBus Event Producer
Clients subscribe to an event with a GraphQL query and
receive payloads.
def execute( query, against: Event, as: User ): Payload
{ "query": "subscription { random_tweet { id } }", "event":
{ "type": "random_tweet", "tweet_id": "..." }, "user": { "id": "12" } }
API EventBus Event Producer Subscriptions
Clients subscribe to an event with a GraphQL query and
receive payloads.
None
Live Pipeline { "topic": "tweet_engagement/20", "payload": { ... } }
POST /subscribe?topic= tweet_engagement/20
def topic( query, for: User ): String
subscription { random_tweet { __typename ... on Status { topic
} ... on Tweet { id text } } } { "data": { "random_tweet": { "__typename": "Status", "topic": "graphql/sM_xI92k" } } }
{ "topic": "graphql/sM_xI92k", "payload": { "data": { "random_tweet": { "__typename":
"Tweet", "id": "...", "text": "..." } } } } POST /subscribe?topic= graphql/sM_xI92k Live Pipeline
Subscriptions API Live Pipeline EventBus subscription { random_tweet { ...
} } { "topic": "graphql/sM_xI92k", "payload": { "data": { "random_tweet": { ... } } } } { "random_tweet_id": "..." } { ... "topic": "graphql/sM_xI92k" ... } Event Producer
Tips
None
None
None
{ user(id: "12") { name followers { name followers {
name followers { name followers { name } } } } } }
POST /graphql/eyBuaWNlIHsgdHJ5IH0gfQ
enabling technology noun An invention or innovation, that can be
applied to drive radical change in the capabilities of a user or culture. Enabling technologies are characterized by rapid development of subsequent derivative technologies, often in diverse fields.
adjacent possible noun A kind of shadow future, hovering on
the edges of the present state of things, a map of all the ways in which the present can reinvent itself.
None
George Leontiev @YukiFartlek
None