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
2k
Xcode shortcuts
realm
0
4.7k
Self Branding with GitHub
realm
0
4.3k
Realm Mobile Platform overview and demo
realm
0
1.9k
Realm introduction Seoul meetup 10
realm
0
2k
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
590
James Majors: What making Records taught me about writing code
realm
0
1.4k
Other Decks in Technology
See All in Technology
ABEMAにおけるLLMを用いたコンテンツベース推薦システム導入と効果検証
cyberagentdevelopers
PRO
1
750
サーバーレスAPI(API Gateway+Lambda)とNext.jsで 個人ブログを作ろう!
shuntaka
PRO
0
560
技術負債による事業の失敗はなぜ起こるのか / Why do business failures due to technical debt occur?
i35_267
0
190
プレイドにおけるDatadog APMの活用方法
plaidtech
PRO
2
120
シフトレフトで挑む セキュリティの生産性向上
sekido
PRO
0
270
Azure Pipelinesを使用したCICDベースラインアーキテクチャ実践
yuriemori
0
190
VPoEの視点から見た、ヘンリーがサーバーサイドKotlinを使う理由 / Why Server-side Kotlin 2024
cho0o0
1
420
Flutter研修【MIXI 24新卒技術研修】
mixi_engineers
PRO
0
160
AWSでRAGを作る法方
sonoda_mj
1
140
成長期に歩みを止めないための創業期の開発文化形成
mayah
6
420
エンジニアの生存戦略 〜クラウド潮流の経験から紐解く技術トレンドのメカニズムと乗りこなし方〜
shimy
9
1.9k
[NIKKEI Tech Talk]Bias for Action!! 実践から学ぶための仕組とコミュニティ / Community for Practice and Learning
kanamasa
0
280
Featured
See All Featured
Agile that works and the tools we love
rasmusluckow
325
20k
What's in a price? How to price your products and services
michaelherold
239
11k
Unsuck your backbone
ammeep
666
57k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
36
9.1k
Learning to Love Humans: Emotional Interface Design
aarron
269
39k
A Modern Web Designer's Workflow
chriscoyier
689
190k
For a Future-Friendly Web
brad_frost
173
9.2k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
325
21k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
90
47k
From Idea to $5000 a Month in 5 Months
shpigford
377
46k
Designing with Data
zakiwarfel
96
5k
Statistics for Hackers
jakevdp
792
220k
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]