BladePipe 1.9.0: New data pipelines, faster Oracle writes, and improved stability.
跳到主要内容

MySQL 到 DeltaLake

选择对端数据库:

数据链路

基本功能

功能说明
Schema Migration

If the target schema does not exist, BladePipe will automatically generate and execute CREATE statements based on the source metadata and the mapping rule.

Full Data Migration

Migrate data by sequentially scanning data in tables and writing it in batches to the target database.

Incremental Data Sync

Sync of common DML like INSERT, UPDATE, DELETE is supported.

Subscription Modification

Add, delete, or modify the subscribed tables with support for historical data migration. For more information, see Modify Subscription.

Table Name Mapping

Support the mapping rules, namely, keeping the name the same as that in Source, converting the text to lowercase, converting the text to uppercase, truncating the name by "_digit" suffix.

高级功能

功能说明
Custom Code

For more information, see Custom Code Processing, Debug Custom Code and Logging in Custom Code.

Adding Virtual Columns

Support adding custom virtual columns with fixed values, such as region, ID, etc.

Data Filtering Conditions

Support data filtering using WHERE conditions, with SQL-92 as the SQL language. For more information, see Data Filtering.

限制和注意点

限制项说明
MySQL 存储引擎

支持 InnoDB, MySIAM, 阿里云 XEngine, 其他存储引擎暂未测试

MySQL 字符集

支持 utf8, utf8mb4, latin1, 其他编码暂未测试


源端数据源

前置条件

条件说明
账号权限

文档:MySQL / MariaDB 需要的权限

开启 Binlog

[mysqld]
log-bin=mysql-bin # 开启 Binlog
binlog-format=ROW # 选择 ROW 模式
binlog_row_image=FULL # 变更带所有列数据

任务参数

参数名称说明
parseBinlogParallel

增量解析 Binlog 的并发数

parseBinlogBufferSize

用于增量解析 Binlog 的环形队列大小

maxTransactionSize

单事务最大数据条数,超过则分段刷出

limitThroughputMb

限制增量 Binlog 流量

extraDDL

兼容额外的 DDL 同步,包括 PT, GHOST, ALI_DMS, PT_GHOST

fullDataSqlConditionEnabled

将过滤条件拼入 SQL 中进行源端数据扫描,此参数只针对全量迁移有效

srcTimeZone

源端时区,例如 +08:00, Asia/Shanghai, America/New_York 等

Tips: 通用参数配置请参考 通用参数及功能


目标端数据源

前置条件

条件说明
网络准备

迁移同步节点(sidecar)可连接 Catalog 和 文件存储

任务参数

参数名称说明
fileFormat

写入文件格式(parquet / orc / ... )

Tips: 通用参数配置请参考 通用参数及功能