Adapt doc according to changes in #1188

Author: michaelkoepf

website/docs/maintenance/observability/metric-reporters.md

@@ -61,18 +61,23 @@ The domain thus identifies a metric class, while the key-property list identifie
 
 Type: push
 
+
+:::info
+
+The OpenTelemetry metric reporter currently supports OTLP/gRPC only.
+
+:::
+
 Parameters:
 
 - `metrics.reporter.opentelemetry.endpoint` - Target to which the OpenTelemetry metric reporter is going to send metrics to.
-- `metrics.reporter.opentelemetry.exporter` - The type of exporter that is used by the OpenTelemetry metric exporter to send metrics to the configured endpoint. The endpoint must accept connections for the given exporter type. Supported exporters: GRPC, HTTP.
 - `metrics.reporter.opentelemetry.export-interval` - (optional) Frequency of metric export by the OpenTelemetry metric reporter to the endpoint. Default: 10s.
 - `metrics.reporter.opentelemetry.export-timeout` - (optional) Maximum time the OpenTelemetry metric reporter will wait for each metric export. Default: 10s.
 
 Example configuration:
 
 ```yaml
 metrics.reporters: opentelemetry
-metrics.reporter.opentelemetry.exporter: GRPC
 metrics.reporter.opentelemetry.endpoint: http://opentelemetry-collector:4317
 ```
 

website/docs/quickstart/monitoring-observability.md

@@ -3,24 +3,6 @@ title: Cluster Monitoring and Observability
 sidebar_position: 3
 ---
 
-<!--
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements.  See the NOTICE file
- distributed with this work for additional information
- regarding copyright ownership.  The ASF licenses this file
- to you under the Apache License, Version 2.0 (the
- "License"); you may not use this file except in compliance
- with the License.  You may obtain a copy of the License at
-
-      http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
-
 # Cluster Monitoring and Observability
 
 This guide will show you how to set up a monitoring/observability stack for Fluss. 
@@ -297,7 +279,6 @@ services:
         datalake.paimon.metastore: filesystem
         datalake.paimon.warehouse: /tmp/paimon
         metrics.reporters: opentelemetry
-        metrics.reporter.opentelemetry.exporter: GRPC
         metrics.reporter.opentelemetry.endpoint: http://opentelemetry-collector:4317
         metrics.reporter.opentelemetry.service.name: coordinator-server
         metrics.reporter.opentelemetry.service.version: $FLUSS_DOCKER_VERSION$
@@ -326,7 +307,6 @@ services:
         datalake.paimon.metastore: filesystem
         datalake.paimon.warehouse: /tmp/paimon
         metrics.reporters: opentelemetry
-        metrics.reporter.opentelemetry.exporter: GRPC
         metrics.reporter.opentelemetry.endpoint: http://opentelemetry-collector:4317
         metrics.reporter.opentelemetry.service.name: tablet-server
         metrics.reporter.opentelemetry.service.version: $FLUSS_DOCKER_VERSION$