Comments (3)
dk-lockdown
commented on July 28, 2024
分布式事物由两个事物组成
1负责创建订单时扣减库存
2负责创建订单时写入订单主表和订单明细表当1事物 commit 之后(库存减少了) ， 2事物出错了需要回滚 ， 全局回滚完成 之前， 这时读取的库存数是1事物commit之后的， 这种问题要怎么处理？
使用 select for update 查询库存，查询时，集成 seata 的 driver 会重试去 tc 上询问对应的数据是否被锁住，tc 释放了锁，select for update 从数据库获取到当前的库存数据。
from incubator-seata-go.
pwjbj
commented on July 28, 2024
本地锁和全局锁是如何申请和释放的
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dk-lockdown
commented on July 28, 2024
本地锁和全局锁是如何申请和释放的
本地锁本地提交时释放，全局锁，全局提交、回滚成功后释放
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Related Issues (20)
- Statelang module in Saga mode HOT 1
- State machine configuration in seata-go Saga HOT 1
- Database persistence for seata-go Saga state machine HOT 1
- Service invocation (RPC) in both seata-go and seata Saga HOT 1
- Expression integration with CEL in seata-go Saga HOT 1
- Sequential execution of state machine in seata-go Saga HOT 1
- Compensatory and forward operations in seata-go Saga
- gorm使用seata分布式事务报空指针 HOT 1
- AT不填默认主键，insert的时候会panic HOT 1
- feature/saga branch import cycles need to be breaked HOT 1
- Use undo compress type config usage HOT 2
- bugfix: rollback active xa connection fail HOT 3
- feature: support contextPath parameter to Nacos client HOT 1
- undo log parser type jackson not found HOT 2
- Is AT mode working for multiple services invoke chain? HOT 1
- rename seata-go module name
- fix AT mode "undo log parser type jackson not found" error HOT 1
- XA ExecContext 没有正确处理 err
- XA 相同的DB执行两条sql时报错 HOT 1
- 测试一个长时间运行的sql，timeout时，xa是否正确处理回滚遇到报错
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