nicbair / seg-server

golang leaf，REF. Meituan-Dianping Leaf，ID发号器

介绍

Go实现的号段模式以及雪花（Snowflake）发号器，基于Kratos框架，适用于此微服务框架以及服务发现服务

gRPC访问性能与Leaf同

使用

号段模式

• 创建表

CREATE DATABASE leaf;
CREATE TABLE `leaf_alloc` (
    `biz_tag` varchar(128)  NOT NULL DEFAULT '', -- your biz unique name
    `max_id` bigint(20) NOT NULL DEFAULT '1',
    `step` int(11) NOT NULL,
    `description` varchar(256)  DEFAULT NULL,
    `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    `created_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (`biz_tag`)
) ENGINE=InnoDB;

insert into leaf_alloc(biz_tag, max_id, step, description) values('leaf-segment-test', 1, 2000, 'Test leaf Segment Mode Get Id');

• 配置

data:
  database:
    segment_enable: true
    table_name: "leaf_alloc"
    driver: mysql
    source: root:123@tcp(127.0.0.1:3306)/leaf?charset=utf8&parseTime=True&loc=Local
    open_conn: 50
    idle: 10
    idle_timeout: 14400s

• 启动服务

make build
bin/seq-server -conf configs/config.yaml

• 请求接口

curl http://localhost:8000/api/segment/get/leaf-segment-test

// 查看cache中号段的状态
http://localhost:8000/monitor/cache
// 查看DB中号段的数据
http://localhost:8000/monitor/db

雪花模式

• 配置

data:
  etcd:
    snowflake_enable: true
    endpoints: ["127.0.0.1:2379"]
    dial_timeout: 2s

• 请求接口

curl http://localhost:8000/api/snowflake/get

// 解析雪花ID
http://localhost:8000/decodeSnowflakeId