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
Realm advanced topics and demo
Search
Realm
June 12, 2017
Technology
0
2k
Realm advanced topics and demo
Realm advanced topics and demo
Realm World Tour Seoul June 8th 2017
Realm
June 12, 2017
Tweet
Share
More Decks by Realm
See All by Realm
WWDC 2017 Review
realm
0
2.1k
Xcode shortcuts
realm
0
4.7k
Self Branding with GitHub
realm
0
4.3k
Realm Mobile Platform overview and demo
realm
0
2k
Realm introduction Seoul meetup 10
realm
0
2.1k
Stuart Hall: How I got 2.3 Million App Downloads
realm
0
1.9k
James Majors: What the Swiftly Func?
realm
1
4.2k
Simina Pasat: Continuous everything for iOS apps
realm
0
610
James Majors: What making Records taught me about writing code
realm
0
1.4k
Other Decks in Technology
See All in Technology
Automatically generating types by running tests
sinsoku
2
3k
MCPを活用した検索システムの作り方/How to implement search systems with MCP #catalks
quiver
12
6.6k
地味にいろいろあった! 2025春のAmazon Bedrockアップデートおさらい
minorun365
PRO
1
120
システムとの会話から生まれる先手のDevOps
kakehashi
PRO
0
280
AWSLambdaMCPServerを使ってツールとMCPサーバを分離する
tkikuchi
1
3k
ブラウザのレガシー・独自機能を愛でる-Firefoxの脆弱性4選- / Browser Crash Club #1
masatokinugawa
1
470
品質文化を支える小さいクロスファンクショナルなチーム / Cross-functional teams fostering quality culture
toma_sm
0
110
Creating Awesome Change in SmartNews
martin_lover
1
280
Cross Data Platforms Meetup LT 20250422
tarotaro0129
1
590
React ABC Questions
hirotomoyamada
0
180
AI AgentOps LT大会(2025/04/16) Algomatic伊藤発表資料
kosukeito
0
140
SREからゼロイチプロダクト開発へ ー越境する打席の立ち方と期待への応え方ー / Product Engineering Night #8
itkq
2
800
Featured
See All Featured
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
21k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
30
2.3k
YesSQL, Process and Tooling at Scale
rocio
172
14k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
The Language of Interfaces
destraynor
157
25k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Rebuilding a faster, lazier Slack
samanthasiow
80
8.9k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.1k
KATA
mclloyd
29
14k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
32
5.4k
Transcript
Part 3: Advanced topics and demo Leonardo YongUk Kim (
[email protected]
)
• MVCC (RMD) • Zero Copy (RMD) • Event Handling
(RMD + RMP) • RMP Demo (RMP)
MVCC: Multi Version Concurrency Control
ݒ B+ ܻ৬ MVCC • ݒ B+ ܻܳ
ஸۢ ӝળਵ۽ ҳࢿ. • ߸҃ ࢎ೦ਸ MVCC(Multi Version Concurrency Control)۽ ҙܻ.
ݒ B+ ܻ … ప࠶ ܖ ஸۢਵ۽ࠗఠ ؘఠ
ਫ਼Ӭ݅ਃ? ৵ ஸۢࠗఠભ? … ప࠶ ܖ ஸۢਵ۽ࠗఠ ؘఠ
ੋؙझ ܴ ݫੌ ചߣഐ 1 ٣ܻয়
[email protected]
1004 2
[email protected]
1005 3 ѱஎ
[email protected]
1006 4 ш
[email protected]
1007
ੋؙझ ܴ ݫੌ ചߣഐ 1 ٣ܻয়
[email protected]
1004 2
[email protected]
1005 3 ѱஎ
[email protected]
1006 4 ш
[email protected]
1007 ܴਵ۽ ઑഥ೮णפ.
ੋؙझ ܴ ݫੌ ചߣഐ 1 ٣ܻয়
[email protected]
1004 2
[email protected]
1005 3 ѱஎ
[email protected]
1006 4 ш
[email protected]
1007 ాੋ ؘఋ߬झח ೠ ঀ פ. -> நए झ
ੋؙझ ܴ ݫੌ ചߣഐ 1 ٣ܻয়
[email protected]
1004 2
[email protected]
1005 3 ѱஎ
[email protected]
1006 4 ш
[email protected]
1007 ೠ ঀ ೞݶ ਊ ݏ ঋইࢲ ಁ٬ب ֍যঠ פ.
ੋؙझ ܴ ݫੌ ചߣഐ 1 ٣ܻয়
[email protected]
1004 2
[email protected]
1005 3 ѱஎ
[email protected]
1006 4 ш
[email protected]
1007 ೠঀ ೞݶ நएਯ ֫Ҋ ಁ٬ ਃহযਃ.
ߡ زदઁয(MVCC) A B C D F G E H
I ߡ 1 Root
ॳӝ ے࣌ ࢜ झշࢫਸ ٟ݅פ. A B C D F
G E H I E’ H’ C’ A’ Root ߡ 2
ॳӝ ীب ੍ӝо оמפ. A B C D F G
E H I E’ H’ C’ A’ ߡ 2 ॳӝ ߡ 1 ੍ӝ
੍ӝח ߓఋ ঋणפ. A B C D F G E
H I E’ H’ C’ A’ ߡ 2 ॳӝ ਬ 2: ߡ 1 ੍ӝ ਬ 1: ߡ 1 ੍ӝ
উפ A B C D F G E H I
E’ C’ A’ Root ߡ 1 ࢿ ܻૉ ߊࢤ ߡ 1 উ ನੋఠب ৈ ߡ 1ਵ۽
пӝ ܲ झۨ٘ ۽ஸਸ оפ. A B C D F
G E H I E’ H’ C’ A’ ਬ 3:ߡ 2 ॳӝ ਬ 2: ߡ 1 ੍ӝ ਬ 1: ߡ 1 ੍ӝ झۨ٘ ۽ஸ 1: ߡ 1 झۨ٘ ۽ஸ 2: ߡ 1 झۨ٘ ۽ஸ 3: ߡ 1 -> 2
ഒۆझ۞ ࣻ ח झۨ٘ ۽ஸ • ߓఋ ঋѱ ബਯਵ۽ ੍ӝ,
ॳӝܳ ೞӝ ਤ೧ ݫఋ ؘఠܳ झۨ٘ ױਤ۽ . • ݫݽܻ ݗਵ۽ োѾػ ؘఠח ݣ౭ झۨ٘۽ ҕਬغҊ . • ݅ झۨ٘ ۽ஸ۽ ৌܽ Realm, RealmList, RealmResults, RealmObject ёܳ ܲ झۨ٘۽ ׳ೡ ࣻ হ. • ܲ झۨ٘ীࢲ ௪ܻܳ ೞݶ ݣ౭ झۨ٘ ܐ ҕਬ ؋ী ߄۽ ੍.
Zero copy
җѢ ಕझ࠘ জ ޙઁ • JSON ੋ٬җ ٣٬ী ݆ ܻࣗझܳ
ೲ࠺. • ࢎਊغ ঋ ؘఠب ٣٬ਸ ೧ࢲ Java ёী ওযঠ ೣ. • ೧Ѿ଼: ҳӖ FlatBuffersܳ ॳ.
ాੋ ࣻച (Hydrate) • ؘఠ߬झীࢲ ܐܳ ޙৌա ӝఋ ੋ٬ ػ
ഋక۽ оઉ২פ. • य ٣٬ਸ ೧ࢲ оઉৡ ؘఠܳ ކٶ Java ёী ইસפ.
CPU৬ ݫݽܻܳ խ࠺ೞח ࣻച • ؘఠ߬झীࢲ ܐܳ ޙৌա ӝఋ ੋ٬ػ
ഋక۽ оઉ২פ. • ॳب ঋ ؘఠب оઉয়Ҋ ߸ജө Ѣଢ଼যਃ. • य ٣٬ਸ ೧ࢲ оઉৡ ؘఠܳ ކٶ Java ё ٘ ই સפ. • ॳب ঋਸ ؘఠܳ ࠗ द ߸ജೞҊ ކٶ ٘ী ওযਃ.
FlatBuffers • Facebook জীࢲ FlatBuffers (Google)ਸ بੑೞৈ ਬݺ೧.
Zero copy public long id() { int o = __offset(4);
return o != 0 ? bb.getLong(o + bb_pos) : 0; } public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; } ByteBuffer bb = ByteBuffer.wrap(bytes); MyObject obj = MyObject.getRootAsMyObject(bb); long id = obj.id(); String name = obj.name();
• Realmب Zero copy അ rowী ೠ ࠁ ஸۢҗ ۽
ੋؙझী null ޙৌਸ पઁ ؘఠо ӟ ప࠶ ۽৬ ஸۢਸ ਊ೧ࢲ झ݂ਸ оҊ ১
• RealmProxyObject name setName getName RealmObject realmGet$name realmSet$name RealmProxyObject •
Annotation Processing Tool সਸ न೧સפ.
Event Handling
ؘఠ ܴ݅ ࢤпೞۄ. 1. ۄب ߮ ӝ߈ ۽Ӓې߁. 2. ࢲߡ
ࢎ٘(RMP)ب ߮ ӝ߈ ۽Ӓې߁. ۄ ؘఠ ߸҃ ࢲߡ ࢎ٘ ؘఠ ߸҃ ࢲߡ ೩ٜ۞ ഐ ۄ ೩ٜ۞ ഐ
ۄ ؘఠ ߸҃ ࢲߡ ࢎ٘ ؘఠ ߸҃ ࢲߡ ೩ٜ۞ ഐ
ۄ ೩ٜ۞ ഐ
ۄ ؘఠ ߸҃ ࢲߡ ࢎ٘ ؘఠ ߸҃ ࢲߡ ೩ٜ۞ ഐ
ۄ ೩ٜ۞ ഐ
Good bye REST!
RMP Demo
None
Code
জ ࣗѐ (Scanner)
ࢎա ଼ਸ झப೧ࢲ
IBM Watson ࢲ࠺झܳ ج۰ࢲ…
೧ࢳػ Ѿҗܳ ߈ജפ.
None
ࢎਊо ࢎਸ ନणפ.
۽ஸ DBী زӝചؾפ.
۽ஸ DB৬ ࢲߡо زӝച
ࢲߡ ߮ ೩ٜ۞о ৌ݀פ
߮ ೩ٜ۞о ৲टী ܳ ׳פ.
৲ट ܳ ࠙ࢳפ -_-b
ܻ Ѿҗо ߮ ೩ٜ۞ীѱ ܻఢ
߮ ೩ٜ۞о DBܳ সؘ פ
ࢲߡ৬ ۽ஸ DBо زӝച
ۄ ߸҃ ܻझց ഐغҊ UIܳ јनפ
Scanner জ ࣗ https://github.com/realm-demos/realm-scanner
[email protected]
ݽ؛ Scanner, Swift
None
nullਸ ೲਊೞ ঋणפ.
?۽ աח ఋੑ null ೲਊ
ݽ؛ Scanner, Java
None
RealmObject ёܳ ࢚ࣘ.
nullਸ ೲਊೞ ঋח ٘.
ળ getters/setters ࣻח ইתפ.
ੋૐ (Java)
None
ই٣, ಁझਕ٘ܳ ׳೧ࢲ SyncCredetialsܳ ٟ݅פ.
۽Ӓੋ
ੋૐ ࢲߡ ҃۽
ࢿҕ
Realm ࢸ
ؘఠ ߬झ ҃۽
Realm ੋझఢझ
Realm ੋझఢझܳ ੜ ײद. (ۨಌ۠झ )
ੋૐ (Swift)
۽Ӓੋਸ פ.
Realm ࢸ
Realm ੋझఢझ
নೠ ੋૐ (Java)
None
নೠ ੋૐ (Swift)
None
ॳӝ
None
ॳӝী݅ ے࣌ ࢤࢿ
ݽ؛ਸ ਊೞৈ ੋझఢझ ࢤࢿ
Scan ੋझఢझ ࢚క ࣻ
߸҃ ҙܻܳ ਤೠ ߮ ܻझց ١۾ ࢲߡա জ ܲ ࠗ࠙ীࢲ
ؘఠо ߸҃غਸ ٸ ܻझցܳ ഐ. (iOS ҃ীח Key-Value Observationب ਗ.)
੍ӝ
ё оઉয়ӝ
ఠ݂җ ۳
߸҃ ঌܿ (Java)
߸҃ػ ёо ੋ۽ ׳ؽ.
߸҃ ঌܿ (Swift)
iOS ળ Key-Value Observation
߸҃ ঌܿ (ࢲߡ)
None
ࢲߡ ߮ ೩ٜ۞ܳ ٜ݅ ٸח ѐ షਸ ਊ೧ࢲ ۽Ӓੋ.
ߑӘ ݅ٚ admin_user৬ NOTIFIER_PATH ҃۽, ࢚ױ ߔਵ۽ ܻझցܳ ١۾.
change_event নೠ ࣘࢿਸ ਊ.
Realm ੋझఢझ
ੌ۲ ࢚ ё.
ੋؙझо ୶о, ઁ, ߸҃ ਵ۽ ࣁೞѱ ׳. Fine-grained notifications.
Thank you
[email protected]
realm.io/kr
[email protected]