OTS起步

特性

• Wide Column = Column Family => Big Table

• OLAP => Big Query (关联和事务不友好)

• Primary Key => A Row

• Partition Key => Load Balance

迁移

• 数据异构 之 DataX

• 记一个Datax现存问题

• DataX二次开发

References

• 表格存储 | Wide column 模型介绍

• What exactly is a wide column store?