[doc][monitoring][metadata] metadata store metrics doc
@@ -147,6 +147,7 @@ The following metrics are available for broker:
- [Schema metrics](#schema-metrics)
- [Offload metrics](#offload-metrics)
- [Web service executor metrics](#web-service-executor-metrics)
+ - [Metadata store metrics](#metadata-store-metrics)
- [Pulsar Functions](#pulsar-functions)
- [Proxy](#proxy)
- [Pulsar SQL Worker](#pulsar-sql-worker)
@@ -602,6 +603,19 @@ All the web service executor metrics are labeled with the following labels:
| pulsar_web_executor_active_threads | GAUGE | The number of threads performing tasks of pulsar-web thread pool |
| pulsar_web_executor_current_threads | GAUGE | The number of threads in the pulsar-web thread pool |
+### Metadata store metrics
+
+All the metadata store metrics are labelled with the following labels:
+
+- *cluster*: `cluster=${pulsar_cluster}`. `${pulsar_cluster}` is the cluster name that you configured in `broker.conf`.
+- *name*: `name=${metadata-store|configuration-metadata-store|state-metadata-store}`. `${name}` is the metadata store name.
+
+| Name | Type | Description |
+|----------------------------------------|-----------|----------------------------------------------------------------------------------------------|
+| pulsar_metadata_store_ops_latency | Histogram | The latency of getting/deleting/putting data fail/success operations from/to metadata store. |
+| pulsar_metadata_store_put_bytes_total | Counter | The number of data put to metadata store. |
+
+
## Pulsar Functions
All the Pulsar Functions metrics are labeled with the following labels:
