etcd-io/etcd

[robustness tests] Add Watch without PrevKV or ProgressNotify to Kubernetes traffic generator

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#20,622 建立於 2025年9月8日

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area/robustness-testinghelp wantedtype/feature

描述

What would you like to be added?

Kubernetes traffic generator should use Watch without ProgressNotify (like apiserver does for events) and without PrevKV (like it does for compact_rev_key). The latter will also help cover the case of non-recursive watch.

In case of Watches on events resource, traffic generator could also open multiple watch streams within the same gRPC stream to better mimic what apiserver does.

Work on this was partially started in https://github.com/etcd-io/etcd/pull/20577

Why is this needed?

Part of https://github.com/etcd-io/etcd/issues/15820 and https://github.com/etcd-io/etcd/issues/20182

貢獻者指南

技術棧
go
領域
backendtesting
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
4
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
3-5 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
active
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Go programmingetcd watch semanticsgRPC streaming
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
25
研究方向
The issue requires adding Watch without ProgressNotify and PrevKV to the Kubernetes traffic generator in etcd. Work was partially started in PR #20577, which should be reviewed first. The changes should mimic how apiserver uses Watch on events resource and cover non recursive watch. Relevant code is likely in the tools/traffic generator directory. Comments on the issue provide some discussion on implementation details.