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Adding the StorageMetrics

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This adds the StorageMetrics, the implementation is based on the API.
The API definition are in storage_service under the metrics part.

After this patch, it will be possible to connect with jconsole and see
the StorageMetrics mbean.

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
This commit is contained in:
Amnon Heiman 2015-07-07 10:28:22 +03:00
parent 65e1f68f62
commit 7c8b1a86ca
2 changed files with 53 additions and 1 deletions
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49
src/main/java/org/apache/cassandra/metrics/StorageMetrics.java Normal file
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@ -0,0 +1,49 @@
/*
* 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.
*/
/*
* Copyright 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
package org.apache.cassandra.metrics;
import com.cloudius.urchin.metrics.APIMetrics;
import com.cloudius.urchin.metrics.DefaultNameFactory;
import com.cloudius.urchin.metrics.MetricNameFactory;
import com.yammer.metrics.core.Counter;
/**
* Metrics related to Storage.
*/
public class StorageMetrics {
private static final MetricNameFactory factory = new DefaultNameFactory(
"Storage");
public static final Counter load = APIMetrics.newCounter(
"/storage_service/metrics/load", factory.createMetricName("Load"));
public static final Counter exceptions = APIMetrics.newCounter(
"/storage_service/metrics/exceptions",
factory.createMetricName("Exceptions"));
public static final Counter totalHintsInProgress = APIMetrics.newCounter(
"/storage_service/metrics/hints_in_progress",
factory.createMetricName("TotalHintsInProgress"));
public static final Counter totalHints = APIMetrics.newCounter(
"/storage_service/metrics/total_hints",
factory.createMetricName("TotalHints"));
}

5
src/main/java/org/apache/cassandra/service/StorageService.java
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@ -34,6 +34,7 @@ import javax.management.*;
import javax.management.openmbean.TabularData;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cassandra.metrics.StorageMetrics;
import org.apache.cassandra.repair.RepairParallelism;
import com.cloudius.urchin.api.APIClient;
@ -50,7 +51,9 @@ public class StorageService extends NotificationBroadcasterSupport implements
.getLogger(StorageService.class.getName());
private APIClient c = new APIClient();
private StorageMetrics metrics = new StorageMetrics();
public static final StorageService instance = new StorageService();
public static StorageService getInstance() {