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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.
/*
*
* 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
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package org.apache.cassandra.metrics;
import com.codahale.metrics.Meter;
import static org.apache.cassandra.metrics.CassandraMetricsRegistry.Metrics;
public class ClientRequestMetrics extends LatencyMetrics
{
public final Meter timeouts;
public final Meter unavailables;
public final Meter failures;
public ClientRequestMetrics(String scope)
{
super("ClientRequest", scope);
timeouts = Metrics.meter(factory.createMetricName("Timeouts"));
unavailables = Metrics.meter(factory.createMetricName("Unavailables"));
failures = Metrics.meter(factory.createMetricName("Failures"));
}
public void release()
{
super.release();
Metrics.remove(factory.createMetricName("Timeouts"));
Metrics.remove(factory.createMetricName("Unavailables"));
Metrics.remove(factory.createMetricName("Failures"));
}
}
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