- Andres de la Peña
- Avinash Lakshman
- Aleksey Yeschenko
- Aaron Morton
- Ariel Weisberg
- Blake Eggleston
- Benedict Elliott Smith
- Benjamin Lerer
- Branimir Lambov
- Brandon Williams
- Carl Yeksigian
- David Brosiusd
- Dikang Gu
- Eric Evans
- Gary Dusbabek
- Chris Goffinet
- Alex Petrov
- Laine Jaakko Olavi
- T Jake Luciani
- Jason Brown
- Jonathan Ellis
- Jake Farrell
- Jeff Jirsa
- Joel Knighton
- Josh McKenzie
- Johan Oskarsson
- Jun Rao
- Jay Zhuang
- Sankalp Kohli
- Marcus Eriksson
- Michael Semb Wever
- Mikhail Stepura
- Michael Shuler
- Paulo Motta
- Prashant Malik
- Robert Stupp
- Peter Schuller
- Sam Tunnicliffe
- Sylvain Lebresne
- Stefania Alborghetti
- Tyler Hobbs
- Vijay Parthasarathy
- Pavel Yaskevich
- Yuki Morishita
- Nate McCall
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
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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 com.codahale.metrics.Gauge;
import com.codahale.metrics.Meter;
import org.apache.cassandra.utils.memory.BufferPool;
import static org.apache.cassandra.metrics.CassandraMetricsRegistry.Metrics;
public class BufferPoolMetrics
{
private static final MetricNameFactory factory = new DefaultNameFactory("BufferPool");
Total number of misses /** Total number of misses */
public final Meter misses;
Total size of buffer pools, in bytes /** Total size of buffer pools, in bytes */
public final Gauge<Long> size;
public BufferPoolMetrics()
{
misses = Metrics.meter(factory.createMetricName("Misses"));
size = Metrics.register(factory.createMetricName("Size"), new Gauge<Long>()
{
public Long getValue()
{
return BufferPool.sizeInBytes();
}
});
}
}