From c3f186cab826213bd95c5bb511bbe990b29f2495 Mon Sep 17 00:00:00 2001
From: thenicetgp <13120413800@163.com>
Date: Wed, 30 Nov 2022 11:21:58 +0800
Subject: [PATCH] add CHANGELOG and metrics doc

Signed-off-by: thenicetgp <13120413800@163.com>
---
 CHANGELOG.md               | 2 +-
 docs/prometheus_metrics.md | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5e700fde..796a8a93c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 ## Unreleased
 ### New features
 - 
-- 
+- Support the protocol RocketMQ.([#328](https://github.com/KindlingProject/kindling/pull/328))
 - Add a new tool: A debug tool for Trace Profiling is provided for developers to troubleshoot problems.([#363](https://github.com/CloudDectective-Harmonycloud/kindling/pull/363))
 
 
diff --git a/docs/prometheus_metrics.md b/docs/prometheus_metrics.md
index 41da62771..83aa1d919 100644
--- a/docs/prometheus_metrics.md
+++ b/docs/prometheus_metrics.md
@@ -75,6 +75,13 @@ Service metrics are generated from the server-side events, which are used to sho
 | `request_content` | GET | The command of the Redis request. |
 | `response_content` | noerror | The value is either `error` or `noerror`. |
 
+- When protocol is `rocketmq`:
+
+| **Label** | **Example** | **Notes**                                                |
+| --- |-------------|----------------------------------------------------------|
+| `request_content` | TopicTest   | Topic of RocketMQ request.                               |
+| `response_content` | 0           | response code of RocketMQ. 0 means OK, others mean Error |
+
 - For other cases, the `request_content` and `response_content` are both empty.
 
 **Note 3**: The histogram metric `kindling_entity_request_average_duration_nanoseconds_*` is disabled by default as it could be high-cardinality. If this metric is needed, please add a new line to the `exporters.otelexporter.metric_aggregation_map` section of the configuration file.
@@ -140,6 +147,7 @@ These two terms are composed of two parts.
 - **mysql**: `Error Code` of the error response.
 - **dubbo**: `Error Code` of Dubbo request.
 - **redis**: `0` if there is no error; `1` otherwise.
+- **rocketmq**: `Response Code` of RocketMQ response.
 - **others**: empty temporarily.
 
 **Note 3**: The histogram metric `kindling_topology_request_average_duration_nanoseconds_*` is disabled by default as it could be high-cardinality. If this metric is needed, please add a new line to the `exporters.otelexporter.metric_aggregation_map` section of the configuration file.