[I] [BUG] [hertzbeat]</span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=notifications@hertzbeat.apache.org&q=from:%22via+GitHub%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">via GitHub</span></span></a></span> <span class="date"><a href="/search?l=notifications@hertzbeat.apache.org&q=date:20251018" rel="nofollow">Sat, 18 Oct 2025 05:28:07 -0700</a></span> </p> </div> <div itemprop="articleBody" class="msgBody"> <!--X-Body-of-Message--> <pre> yry0008 opened a new issue, #3789: URL: <a rel="nofollow" href="https://github.com/apache/hertzbeat/issues/3789">https://github.com/apache/hertzbeat/issues/3789</a></pre><pre> ### Is there an existing issue for this? - [x] I have searched the existing issues ### Current Behavior When using grouping, there may be throws multiple alerts in one incident. like this image. <img width="1222" height="826" alt="Image" src="<a rel="nofollow" href="https://github.com/user-attachments/assets/11fd68db-eba1-4ea0-b59c-1344852ee9d9"">https://github.com/user-attachments/assets/11fd68db-eba1-4ea0-b59c-1344852ee9d9"</a>; /> if I group alerts with custom labels, the label would not be assigned to some alerts. That can cause grouping failed and send so many noisy messages if we have notification rules. ### Expected Behavior When using grouping, there should be only one alert in one incident. This helps prevent receiving a large number of duplicate alert messages. ### Steps To Reproduce 1. Add some alerts with the same custom label. 2. Add grouping rule with the custom label. 3. Add threshold as normal. 4. Trigger the alart. 5. Turn to alarms page, then we can find multiple alerts here. ### Environment ```markdown HertzBeat version(s): ``` ### Debug logs _No response_ ### Anything else? _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. 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