From b354246f9d5c5e5cc0dd470313da938ff014e4af Mon Sep 17 00:00:00 2001
From: m1a2st <s7133700@gmail.com>
Date: Tue, 21 Jan 2025 23:10:31 +0800
Subject: [PATCH 1/2] wip

---
 docs/zk2kraft.html | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/docs/zk2kraft.html b/docs/zk2kraft.html
index 210feee581e02..f410413380b28 100644
--- a/docs/zk2kraft.html
+++ b/docs/zk2kraft.html
@@ -164,5 +164,16 @@ <h5 class="anchor-heading">Removal metrics</h5>
                 In Kraft mode, Zookeeper is not used, so the metrics is removed.
             </p>
         </li>
+        <li>
+            <p>
+                Remove the metrics which is monitoring requests waiting in the topic purgatory
+            </p>
+            <ul>
+                <li><code>kafka.server:type=DelayedOperationPurgatory,name=PurgatorySize,delayedOperation=topic</code></li>
+            </ul>
+            <p>
+                In Kraft mode, Zookeeper is not used, so the metrics is removed.
+            </p>
+        </li>
     </ul>
 </div>
\ No newline at end of file

From 859c279d19b8773c65b69bc60209a46ffe1c0294 Mon Sep 17 00:00:00 2001
From: m1a2st <s7133700@gmail.com>
Date: Thu, 23 Jan 2025 12:24:14 +0800
Subject: [PATCH 2/2] addressed by comments

---
 docs/zk2kraft.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/zk2kraft.html b/docs/zk2kraft.html
index d16ecac9a04f0..123aaca4e18b1 100644
--- a/docs/zk2kraft.html
+++ b/docs/zk2kraft.html
@@ -182,6 +182,7 @@ <h5 class="anchor-heading">Removal metrics</h5>
             </p>
             <ul>
                 <li><code>kafka.server:type=DelayedOperationPurgatory,name=PurgatorySize,delayedOperation=topic</code></li>
+                <li><code>kafka.server:type=DelayedOperationPurgatory,name=NumDelayedOperations,delayedOperation=topic</code></li>
             </ul>
             <p>
                 In Kraft mode, Zookeeper is not used, so the metrics is removed.