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Seata 是什么?

Seata 是一款开源的分布式事务解决方案，致力于提供高性能和简单易用的分布式事务服务。Seata 将为用户提供了AT、TCC、SAGA和 XA 事务模式，为用户打造一站式的分布式解决方案。

• 官方文档地址 https://seata.apache.org/zh-cn/docs/ops/deploy-guide-beginner/

安装启动

file模式启动

1. 前往官方项目主页下载1.1.0版并解压：https://github.com/seata/seata/releases
2. 不需要改动配置进入 bin 目录执行命令：

./seata-server.sh -h 127.0.0.1 -p 8091 -m file -n 1

db模式启动

1. 同样使用刚刚下载的编译包，进入对应目录

2. 找到 conf 文件夹，主要关注如下两个文件
   

3. 打开 registry.conf ，配置 config 和 registry 的节点都为 file
   

4. 打开 file.conf ，配置 mode 为 db 并配置相关数据库链接
   
5. 创建数据库 seata 并且执行对应的 sql 脚本

/*Navicat Premium Data TransferSource Server         : mysql_localhostSource Server Type    : MySQLSource Server Version : 50723Source Host           : localhost:3306Source Schema         : seataTarget Server Type    : MySQLTarget Server Version : 50723File Encoding         : 65001Date: 10/02/2020 23:42:58
*/SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;-- ----------------------------
-- Table structure for branch_table
-- ----------------------------
DROP TABLE IF EXISTS `branch_table`;
CREATE TABLE `branch_table`  (`branch_id` bigint(20) NOT NULL,`xid` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,`transaction_id` bigint(20) NULL DEFAULT NULL,`resource_group_id` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`resource_id` varchar(256) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`branch_type` varchar(8) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`status` tinyint(4) NULL DEFAULT NULL,`client_id` varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`application_data` varchar(2000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`gmt_create` datetime(6) NULL DEFAULT NULL,`gmt_modified` datetime(6) NULL DEFAULT NULL,PRIMARY KEY (`branch_id`) USING BTREE,INDEX `idx_xid`(`xid`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci;-- ----------------------------
-- Table structure for global_table
-- ----------------------------
DROP TABLE IF EXISTS `global_table`;
CREATE TABLE `global_table`  (`xid` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,`transaction_id` bigint(20) NULL DEFAULT NULL,`status` tinyint(4) NOT NULL,`application_id` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`transaction_service_group` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`transaction_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`timeout` int(11) NULL DEFAULT NULL,`begin_time` bigint(20) NULL DEFAULT NULL,`application_data` varchar(2000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`gmt_create` datetime(0) NULL DEFAULT NULL,`gmt_modified` datetime(0) NULL DEFAULT NULL,PRIMARY KEY (`xid`) USING BTREE,INDEX `idx_gmt_modified_status`(`gmt_modified`, `status`) USING BTREE,INDEX `idx_transaction_id`(`transaction_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci;-- ----------------------------
-- Table structure for lock_table
-- ----------------------------
DROP TABLE IF EXISTS `lock_table`;
CREATE TABLE `lock_table`  (`row_key` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,`xid` varchar(96) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`transaction_id` bigint(20) NULL DEFAULT NULL,`branch_id` bigint(20) NOT NULL,`resource_id` varchar(256) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`table_name` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`pk` varchar(36) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`gmt_create` datetime(0) NULL DEFAULT NULL,`gmt_modified` datetime(0) NULL DEFAULT NULL,PRIMARY KEY (`row_key`) USING BTREE,INDEX `idx_branch_id`(`branch_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci;SET FOREIGN_KEY_CHECKS = 1;

6. 进入 bin 目录执行命令： ./seata-server.sh -h 127.0.0.1 -p 8091 -m db -n 1