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
OPENLOGI Company Profile
hr01
0
60k
"TEAM"を導入したら最高のエンジニア"Team"を実現できた / Deploying "TEAM" and Building the Best Engineering "Team"
yuj1osm
1
120
AWSアカウントのセキュリティ自動化、どこまで進める? 最適な設計と実践ポイント
yuobayashi
7
520
プロダクトエンジニア 360°フィードバックを実施した話
hacomono
PRO
0
140
AIエージェント元年
shukob
0
150
システム・ML活用を広げるdbtのデータモデリング / Expanding System & ML Use with dbt Modeling
i125
1
320
組織におけるCCoEの役割とAWS活用事例
nrinetcom
PRO
4
120
EMConf JP 2025 懇親会LT / EMConf JP 2025 social gathering
sugamasao
2
190
CDKでカスタムランタイムを作成して、Lambdaをnode.js23+TypeScriptで動かしてみた
smt7174
2
110
What's new in Go 1.24?
ciarana
1
110
MIMEと文字コードの闇
hirachan
2
1.4k
AIエージェント時代のエンジニアになろう #jawsug #jawsdays2025 / 20250301 Agentic AI Engineering
yoshidashingo
8
3.5k
Featured
See All Featured
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k
Done Done
chrislema
182
16k
What's in a price? How to price your products and services
michaelherold
244
12k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
30
4.6k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
356
29k
Product Roadmaps are Hard
iamctodd
PRO
50
11k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
[RailsConf 2023] Rails as a piece of cake
palkan
53
5.3k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Building Adaptive Systems
keathley
40
2.4k
KATA
mclloyd
29
14k
Building Applications with DynamoDB
mza
93
6.2k
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]