发布 SOFARegistry v5.3.0，主要变更如下：
i. session 和 data 数据一致性增强，定期数据比对和失效数据能力
ii. 支持 Publisher 和 Subscriber 黑名单顾虑和数据清理能力
iii. 修正 dataserver 启动期在节点数量较多时候无法达到 working 状态问题
iv. 修复 dataserver 启动期数据获取过程受 clean 任务干扰的问题
v. 修复 dataserver 扩容内存上涨的问题，以及扩容数据同步不完全的问题
vi. 优化任务确认逻辑线程占用时间较大导致阻塞问题
vii. 优化 meta 启动期一些 leader 失败问题
Abstract
This version mainly adds the consistency of sessionserver and
dataserver to maintain data consistency, and fixes dataserver data
backup and data synchronization bugs, and incorporates some internal
features.
Enhancement
- add commons-collections version 3.2.2
Feature
- Improving consistency between SessionServer and DataServer #57
- Support blacklist function #61
Bug Fix
- Datum version number is generated when writing to memory #56
- More data nodes cannot reach the working state problem #55
- DataServer reaches working state but data is not synchronized #54
- DataServer expansion data synchronization process is affected by cleanup tasks #53
- DataServer expansion or node change causes data migration process to increase memory #52
- Publish new task asynchronously, configure independent thread pool current limit #51
- Push task to confirm thread blocking problem #50
- Add sofa hessian blacklist #38
- Client fast chain breakage data can not be cleaned up #37
- After the client sends a sub successfully, it is not guaranteed to subscribe to the data. #36
- Sometimes receive "Not leader" response from leader in OnStartingFollowing() #31
- During meta startup, leader may not register itself #30
SOFARegistry
SOFARegistry 是蚂蚁金服开源的一个生产级、高时效、高可用的服务注册中心。SOFARegistry 最早源自于淘宝的
ConfigServer，十年来，随着蚂蚁金服的业务发展，注册中心架构已经演进至第五代。目前 SOFARegistry
不仅全面服务于蚂蚁金服的自有业务，还随着蚂蚁金融科技服务众多合作伙伴，同时也兼容开源生态。SOFARegistry 采用 AP
架构，支持秒级时效性推送，同时采用分层架构支持无限水平扩展。
功能特性
- 支持服务发布与服务订阅
- 支持服务变更时的主动推送
- 丰富的 REST 接口
- 采用分层架构及数据分片，支持海量连接及海量数据
- 支持多副本备份，保证数据高可用
- 基于 SOFABolt 通信框架，服务上下线秒级通知
- AP 架构，保证网络分区下的可用性
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