[DocDB] Only allow one RBS session per tablet/peer combo · yugabyte/yugabyte-db#26144 | Good First Issue

(0 评论) (0 反应) (1 负责人)C (1,003 fork)batch import

area/docdbgood first issuekind/enhancementpriority/medium

仓库指标

Star: (8,229 star)
PR 合并指标: (平均合并 17天 21小时) (30 天内合并 92 个 PR)

描述

Jira Link: DB-15477

Description

https://phorge.dev.yugabyte.com/diffusion/YBDB/browse/master/src/yb/tserver/remote_bootstrap_service.cc$394

  MonoTime now = MonoTime::Now();
  const string session_id = Substitute("$0-$1-$2", requestor_uuid, tablet_id, now.ToString());

allows for multiple RBS sessions for the same follower. This should be unnecessary and can lead to ooms if left uncontrolled.

We should only allow at most 1 pending RBS session for a follower, and end previous sessions when a new session is created.

Issue Type

kind/enhancement

Warning: Please confirm that this issue does not contain any sensitive information

I confirm this issue does not contain any sensitive information.

贡献者指南

研究方向: 研究 remote bootstrap service.cc 中的 RBS 会话管理。修改会话创建逻辑，在启动新会话之前检查是否已存在相同的 tablet/peer 组合的会话。如果存在，则先结束之前的会话再创建新会话。确保线程安全和过期会话的清理。
技术栈: cpp
领域: backenddatabasedistributed systems
议题类型: 功能
难度: 3
预计时间: 1-2 天
活动状态: 新近可参与
清晰度: 清晰
前置要求: C++Distributed systemsYugabyteDB internals
新手友好度: 30