From ff2c2bdc931d011338e4a86a4069ccc6032807be Mon Sep 17 00:00:00 2001
From: Dragos Misca <dragosvictor@users.noreply.github.com>
Date: Thu, 20 Jun 2024 17:58:05 -0700
Subject: [PATCH] Add draft metadata store metrics reference

---
 docs/reference-metrics-opentelemetry.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/docs/reference-metrics-opentelemetry.md b/docs/reference-metrics-opentelemetry.md
index 0ec95c979b5a..42af7f9e7ec3 100644
--- a/docs/reference-metrics-opentelemetry.md
+++ b/docs/reference-metrics-opentelemetry.md
@@ -403,6 +403,22 @@ The maximum number of pending topic load operations in the broker. Equal to "max
 * Type: UpDownCounter
 * Unit: `{operation}`
 
+### Metadata Store metrics
+
+#### pulsar.broker.metadata.store.outgoing.size
+The total amount of data written to the metadata store.
+* Type: Counter
+* Unit: `{By}`
+* Attributes:
+  * `pulsar.metadata.store.name` - The name of the metadata store.
+
+#### pulsar.broker.metadata.store.executor.queue.size
+The number of blocking operations in the metadata store executor queue.
+* Type: UpDownCounter
+* Unit: `{operation}`
+* Attributes:
+  * `pulsar.metadata.store.name` - The name of the metadata store.
+
 ### Producer metrics
 
 #### pulsar.broker.producer.message.incoming.count