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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

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/*
  * 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.
  */
package org.apache.cassandra.metrics;


import static org.apache.cassandra.metrics.CassandraMetricsRegistry.Metrics;

import com.codahale.metrics.Counter;
import com.codahale.metrics.Histogram;

/**
 * Metrics to track the size of incoming and outgoing bytes at Cassandra server.
 */
public class ClientMessageSizeMetrics
{
    private static final String TYPE = "ClientMessageSize";
    public static final Counter bytesReceived = Metrics.counter(DefaultNameFactory.createMetricName(TYPE, "BytesReceived", null));
    public static final Counter bytesSent = Metrics.counter(DefaultNameFactory.createMetricName(TYPE, "BytesSent", null));
    public static final Histogram bytesReceivedPerRequest = Metrics.histogram(DefaultNameFactory.createMetricName(TYPE, "BytesReceivedPerRequest", null), true);
    public static final Histogram bytesSentPerResponse = Metrics.histogram(DefaultNameFactory.createMetricName(TYPE, "BytesSentPerResponse", null), true);
}