1. 分布式事务
2. Seata
3. 安装seata
- 配置数据库
CREATE DATABASE IF NOT EXISTS `seata` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci */ /*!80016 DEFAULT ENCRYPTION='N' */;
USE `seata`;------------------------------- The script used when storeMode is 'db' --------------------------------
-- the table to store GlobalSession data
CREATE TABLE IF NOT EXISTS `global_table`
(`xid` VARCHAR(128) NOT NULL,`transaction_id` BIGINT,`status` TINYINT NOT NULL,`application_id` VARCHAR(32),`transaction_service_group` VARCHAR(32),`transaction_name` VARCHAR(128),`timeout` INT,`begin_time` BIGINT,`application_data` VARCHAR(2000),`gmt_create` DATETIME,`gmt_modified` DATETIME,PRIMARY KEY (`xid`),KEY `idx_status_gmt_modified` (`status` , `gmt_modified`),KEY `idx_transaction_id` (`transaction_id`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;-- the table to store BranchSession data
CREATE TABLE IF NOT EXISTS `branch_table`
(`branch_id` BIGINT NOT NULL,`xid` VARCHAR(128) NOT NULL,`transaction_id` BIGINT,`resource_group_id` VARCHAR(32),`resource_id` VARCHAR(256),`branch_type` VARCHAR(8),`status` TINYINT,`client_id` VARCHAR(64),`application_data` VARCHAR(2000),`gmt_create` DATETIME(6),`gmt_modified` DATETIME(6),PRIMARY KEY (`branch_id`),KEY `idx_xid` (`xid`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;-- the table to store lock data
CREATE TABLE IF NOT EXISTS `lock_table`
(`row_key` VARCHAR(128) NOT NULL,`xid` VARCHAR(128),`transaction_id` BIGINT,`branch_id` BIGINT NOT NULL,`resource_id` VARCHAR(256),`table_name` VARCHAR(32),`pk` VARCHAR(36),`status` TINYINT NOT NULL DEFAULT '0' COMMENT '0:locked ,1:rollbacking',`gmt_create` DATETIME,`gmt_modified` DATETIME,PRIMARY KEY (`row_key`),KEY `idx_status` (`status`),KEY `idx_branch_id` (`branch_id`),KEY `idx_xid_and_branch_id` (`xid` , `branch_id`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;CREATE TABLE IF NOT EXISTS `distributed_lock`
(`lock_key` CHAR(20) NOT NULL,`lock_value` VARCHAR(20) NOT NULL,`expire` BIGINT,primary key (`lock_key`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);
- 配置文件
server:port: 7099spring:application:name: seata-serverlogging:config: classpath:logback-spring.xmlfile:path: ${user.home}/logs/seata# extend:# logstash-appender:# destination: 127.0.0.1:4560# kafka-appender:# bootstrap-servers: 127.0.0.1:9092# topic: logback_to_logstashconsole:user:username: adminpassword: adminseata:config:# support: nacos, consul, apollo, zk, etcd3type: nacosnacos:server-addr: nacos:8848group : "DEFAULT_GROUP"namespace: ""dataId: "seataServer.properties"username: "nacos"password: "nacos"registry:# support: nacos, eureka, redis, zk, consul, etcd3, sofatype: nacosnacos:application: seata-serverserver-addr: nacos:8848group : "DEFAULT_GROUP"namespace: "f923fb34-cb0a-4c06-8fca-ad61ea61a3f0"username: "nacos"password: "nacos"
# server:
# service-port: 8091 #If not configured, the default is '${server.port} + 1000'security:secretKey: SeataSecretKey0c382ef121d778043159209298fd40bf3850a017tokenValidityInMilliseconds: 1800000ignore:urls: /,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/api/v1/auth/loginserver:# service-port: 8091 #If not configured, the default is '${server.port} + 1000'max-commit-retry-timeout: -1max-rollback-retry-timeout: -1rollback-retry-timeout-unlock-enable: falseenable-check-auth: trueenable-parallel-request-handle: trueretry-dead-threshold: 130000xaer-nota-retry-timeout: 60000enableParallelRequestHandle: truerecovery:committing-retry-period: 1000async-committing-retry-period: 1000rollbacking-retry-period: 1000timeout-retry-period: 1000undo:log-save-days: 7log-delete-period: 86400000session:branch-async-queue-size: 5000 #branch async remove queue sizeenable-branch-async-remove: false #enable to asynchronous remove branchSessionstore:# support: file 、 db 、 redismode: dbsession:mode: dblock:mode: dbdb:datasource: druiddb-type: mysqldriver-class-name: com.mysql.jdbc.Driverurl: jdbc:mysql://mysql:3306/seata?rewriteBatchedStatements=trueuser: rootpassword: 123min-conn: 10max-conn: 100global-table: global_tablebranch-table: branch_tablelock-table: lock_tabledistributed-lock-table: distributed_lockquery-limit: 1000max-wait: 5000redis:mode: singledatabase: 0min-conn: 10max-conn: 100password:max-total: 100query-limit: 1000single:host: 192.168.150.101port: 6379metrics:enabled: falseregistry-type: compactexporter-list: prometheusexporter-prometheus-port: 9898transport:rpc-tc-request-timeout: 15000enable-tc-server-batch-send-response: falseshutdown:wait: 3thread-factory:boss-thread-prefix: NettyBossworker-thread-prefix: NettyServerNIOWorkerboss-thread-size: 1- 安装镜像
docker run --name seata \
-p 8099:8099 \
-p 7099:7099 \
-e SEATA_IP=139.224.66.95 \
-v ./seata:/seata-server/resources \
--privileged=true \
--network hm-net \
-d \
seataio/seata-server:1.5.2
- 配置
seata:registry: # TC服务注册中心的配置，微服务根据这些信息去注册中心获取tc服务地址type: nacos # 注册中心类型 nacosnacos:server-addr: 192.168.150.101:8848 # nacos地址namespace: "" # namespace，默认为空group: DEFAULT_GROUP # 分组，默认是DEFAULT_GROUPapplication: seata-server # seata服务名称username: nacospassword: nacostx-service-group: hmall # 事务组名称service:vgroup-mapping: # 事务组与tc集群的映射关系hmall: "default"
4. 依赖
<!--统一配置管理--><dependency><groupId>com.alibaba.cloud</groupId><artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId></dependency><!--读取bootstrap文件--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-bootstrap</artifactId></dependency><!--seata--><dependency><groupId>com.alibaba.cloud</groupId><artifactId>spring-cloud-starter-alibaba-seata</artifactId></dependency>
4. XA模式
- 配置
seata:data-source-proxy-mode: XA
- 标记入口
- 相关入口都要被标记成@GlobalTransactional
@Override@GlobalTransactionalpublic Long createOrder(OrderFormDTO orderFormDTO)
5. AT模式
- 设置为AT模式
seata:data-source-proxy-mode: AT
