Wedata Feature Engineering Library Development
Project description
Wedata Feature Engineering Library
Wedata 特征工程库,提供特征存储、特征管理、离在线同步等功能,适用于腾讯云 WeData 平台上的 ML 特征工程场景。
功能特性
- 特征表管理:创建、删除、修改特征表,支持 Iceberg 等多种存储引擎
- 特征数据读写:基于 Spark 的高效特征数据写入和读取
- 离在线同步:一键将离线特征表发布为在线特征表,支持周期性同步和一次性同步
- 在线特征服务:基于 Redis 的在线特征存储和实时查询
- 训练集构建:通过 Feature Lookup 自动关联多个特征表,构建训练数据集
安装
pip install tencent-wedata-feature-engineering
快速开始
from wedata.feature_store.feature_table_client import FeatureTableClient
# 初始化客户端(在 WeData Notebook 中自动获取环境配置)
client = FeatureTableClient(spark)
# 创建特征表
feature_table = client.create_table(
name="user_features",
database_name="my_feature_db",
primary_keys=["user_id"],
df=features_df,
timestamp_key="event_timestamp"
)
# 发布为在线特征表
client.publish_table(
table_name="user_features",
data_source_name="my_datasource"
)
使用环境
本库需要在腾讯云 WeData 平台的 Notebook 或 CodeStudio 环境中使用,依赖平台提供的 Spark 引擎和 Feast 特征服务。
许可证
Apache 2.0
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