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

Aurora for MySQL 到 Tunnel

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.
UPDATE and DELETE for tables without primary keys are not synced by default (manual selection required).

Position Resetting

Reset positions by file position or timestamp. Allow re-consumption of incremental data logs in a past period or since a specific Binlog file and position.

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.

DDL Sync
  • ALTER TABLE ADD COLUMN, DROP COLUMN, MODIFY COLUMN, CHANGE COLUMN
  • ADD INDEX
  • RENAME TABLE
  • CREATE TABLE (whole database sync)
  • Table partitioning
  • Other compatible DDL
Metadata Retrieval

Retrieve the target metadata with filtering conditions or target primary keys set from the source table.

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.

Setting Target Primary Key

Change the primary key to another field to facilitate data aggregation and other operations.

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

使用示例

标题详情
Cross-Internet Data Synchronization

See Cross-Internet Data Synchronization


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

若 CloudCanal 为 docker 版本,解压后需要修改 docker-compose.yml 端口映射再安装/升级,并开放 ECS 安全组相关端口,以便远程连接

任务参数

参数名称说明
writeParallel

对端写入并发数,对迁移或者同步性能影响大

batchWriteSize

消息内最大记录条数

deCycle

是否开启防循环逻辑

deCycleFlag

默认防循环标记

protocol

Tunnel 传输数据使用的交互协议,目前支持 HTTP

uriPrefix

Tunnel 数据源 uri 前缀

contentCompressType

Tunnel 数据源的数据压缩类型,目前支持 DeInflater / GZIP

dbs

数据源结构定义

printDataInLog

是否将关键数据打印到日志以方便排查问题,此选项打开可能影响性能和数据安全

schemaFormat

Value Schema 类型

printCustomCodeDebugLog

打印自定义代码DEBUG日志(会打印处理前后数据,同步量大会增加磁盘使用和影响同步性能,请知悉),该参数动态生效,不需要重启任务

Tips: 通用参数配置请参考 通用参数及功能