QLDB with Blueprints (AWS)

multiplayscape - 10月 26, 2020

QLDB is a database similar with apache Kafka database. It's a Ledger database. You can use it to reduce the stress of rds or dynamodb when there are a lot of players and update requests.

  • サポートされたプラットフォーム
  • サポートされたエンジンバージョン
    4.25 - 4.26
  • ダウンロードのタイプ
    エンジン プラグイン
    この製品には、コード プラグインが含まれており、ビルド済みのバイナリと Unreal Engine に統合される全ソースコードが完備されています。任意のエンジン バージョンにインストールし、プロジェクト毎に有効化することが可能です。

Note: This plugin is recommended for more advanced users. 

You can use this plugin to store players' activities. For example, how many times does the player open the store page in your game? or how often did they pay a gamble box? Players may lie in research but data won't lie.

You can upload the user activities to QLDB to analyze why the player did not open the store page or why they did not purchase the gamble box. if you upload these user activities to dynamodb or rds, it will block the net traffic because DynamoDB and RDS can't handle update request in high throughput rate and if it can, the cost will be extremely expensive.

for android: only unreal above 4.25

Video Tutorial: https://www.youtube.com/watch?v=OKB1KiM9l3o

it supports ION digest with lambda.

for android: armeabi-v7a is no longer supported

google play store will stop serving armeabi-v7a apk from 1st, August 2021.



  •  update data to qldb

Code Modules:

  •  QLDB

Number of Blueprints: 2

Number of C++ Classes: 2

Network Replicated: No

Supported Development Platforms: Win64 / Mac(apple silicon supported) / Linux

Supported Target Build Platforms: Win64 / Mac / Linux / Android / iOS

Documentation: https://docs.aws.amazon.com/qldb/latest/developerguide/ql-reference.statements.html

Example Project:

Important/Additional Notes:

for android: armeabi-v7a is no longer supported