itself difficult to maintain as the number of data nodes increases. The data node configuration workload can be effectively simplified by row expressions. For the common sharding algorithm, using Java XA transaction adopts the concepts including AP(application program), YM(transaction manager) and RM(resource manager) to ensure the strong consistency of distributed transactions. Those concepts are abstracted document, v5.2.0 Procedure 1. Configure the transaction manager 2. Use distributed transactions Sample Configure the transaction manager

itself difficult to maintain as the number of data nodes increases. The data node configuration workload can be effectively simplified by row expressions. For the common sharding algorithm, using Java XA transaction adopts the concepts including AP(application program), TM(transaction manager) and RM(resource manager) to ensure the strong consistency of distributed transactions. Those concepts are abstracted version} Procedure 1. Configure the transaction manager 2. Use distributed transactions Sample Configure the transaction manager

itself difficult to maintain as the number of data nodes increases. The data node configuration workload can be effectively simplified by row expressions. For the common sharding algorithm, using Java XA transaction adopts the concepts including AP(application program), TM(transaction manager) and RM(resource manager) to ensure the strong consistency of distributed transactions. Those concepts are abstracted In MySQL8, you need to grant the user XA_RECOVER_ADMIN privileges, otherwise, the XA transaction manager will report an error when executing the XA RECOVER statement. 8.3 Readwrite-splitting 8.3.1 Background

itself difficult to maintain as the number of data nodes increases. The data node configuration workload can be effectively simplified by row expressions. For the common sharding algorithm, using Java XA transaction adopts the concepts including AP(application program), TM(transaction manager) and RM(resource manager) to ensure the strong consistency of distributed transactions. Those concepts are abstracted In MySQL8, you need to grant the user XA_RECOVER_ADMIN privileges, otherwise, the XA transaction manager will report an error when executing the XA RECOVER statement. 8.3 Readwrite-splitting 8.3.1 Background

are two servers to execute the job, then each server is assigned 2 slices, undertaking 50% of the workload, as follows. 7 Apache ShardingSphere ElasticJob document Sharding Item ElasticJob doesn’t directly

each data node to manage their own transactions on the premise that any distributed trans‐ action manager is not on. They do not have any coordination and communication ability, or know other data nodes Model defined by X/OPEN, in which created AP (Application Pro‐ gram), TM (Transaction Manager) and RM (Resource Manager) can guarantee a high transaction con‐ sistency. TM and RM use XA protocol for bidirectional XA driver provided by database manufacturers and TransactionManager is provided by trans‐ action manager manufacturers. Traditional transaction managers need to be bound with application server, which

each data node to manage their own transactions on the premise that any distributed trans‐ action manager is not on. They do not have any coordination and communication ability, or know other data nodes Model defined by X/OPEN, in which created AP (Application Pro‐ gram), TM (Transaction Manager) and RM (Resource Manager) can guarantee a high transaction con‐ sistency. TM and RM use XA protocol for bidirectional XA driver provided by database manufacturers and TransactionManager is provided by trans‐ action manager manufacturers. Traditional transaction managers need to be bound with application server, which

each data node to manage their own transactions on the premise that any distributed trans‐ action manager is not on. They do not have any coordination and communication ability, or know other data nodes Model defined by X/OPEN, in which created AP (Application Pro‐ gram), TM (Transaction Manager) and RM (Resource Manager) can guarantee a high transaction con‐ sistency. TM and RM use XA protocol for bidirectional XA driver provided by database manufacturers and TransactionManager is provided by trans‐ action manager manufacturers. Traditional transaction managers need to be bound with application server, which

each data node to manage their own transactions on the premise that any distributed trans‐ action manager is not on. They do not have any coordination and communication ability, or know other data nodes Model defined by X/OPEN, in which created AP (Application Pro‐ gram), TM (Transaction Manager) and RM (Resource Manager) can guarantee a high transaction con‐ sistency. TM and RM use XA protocol for bidirectional XA driver provided by database manufacturers and TransactionManager is provided by trans‐ action manager manufacturers. Traditional transaction managers need to be bound with application server, which

ShardingSphere‐JDBC 的分片场景 API。 强制路由 背景信息 Apache ShardingSphere 使用 ThreadLocal 管理分片键值进行强制路由。可以通过编程的方式向 Hint‐ Manager 中添加分片值，该分片值仅在当前线程内生效。Apache ShardingSphere 还可以通过 SQL 中增 加注释的方式进行强制路由。 Hint 的主要使用场景：‐ 分片字段不存在 SQL props: xa-transaction-manager-type: Atomikos Spring Namespace: Atomikos props: xa-transaction-manager-type: Narayana Spring Namespace: Narayana