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CSMMetrics.java
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CSMMetrics.java
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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.hadoop.ozone.container.common.transport.server.ratis;
import com.google.common.annotations.VisibleForTesting;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.metrics2.MetricsSystem;
import org.apache.hadoop.metrics2.annotation.Metric;
import org.apache.hadoop.metrics2.annotation.Metrics;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
import org.apache.hadoop.metrics2.lib.MutableCounterLong;
import org.apache.ratis.protocol.RaftGroupId;
/**
* This class is for maintaining Container State Machine statistics.
*/
@InterfaceAudience.Private
@Metrics(about="Container State Machine Metrics", context="dfs")
public class CSMMetrics {
public static final String SOURCE_NAME =
CSMMetrics.class.getSimpleName();
// ratis op metrics metrics
private @Metric MutableCounterLong numWriteStateMachineOps;
private @Metric MutableCounterLong numQueryStateMachineOps;
private @Metric MutableCounterLong numApplyTransactionOps;
private @Metric MutableCounterLong numReadStateMachineOps;
private @Metric MutableCounterLong numBytesWrittenCount;
private @Metric MutableCounterLong numBytesCommittedCount;
// Failure Metrics
private @Metric MutableCounterLong numWriteStateMachineFails;
private @Metric MutableCounterLong numQueryStateMachineFails;
private @Metric MutableCounterLong numApplyTransactionFails;
private @Metric MutableCounterLong numReadStateMachineFails;
private @Metric MutableCounterLong numReadStateMachineMissCount;
public CSMMetrics() {
}
public static CSMMetrics create(RaftGroupId gid) {
MetricsSystem ms = DefaultMetricsSystem.instance();
return ms.register(SOURCE_NAME + gid.toString(),
"Container State Machine",
new CSMMetrics());
}
public void incNumWriteStateMachineOps() {
numWriteStateMachineOps.incr();
}
public void incNumQueryStateMachineOps() {
numQueryStateMachineOps.incr();
}
public void incNumReadStateMachineOps() {
numReadStateMachineOps.incr();
}
public void incNumApplyTransactionsOps() {
numApplyTransactionOps.incr();
}
public void incNumWriteStateMachineFails() {
numWriteStateMachineFails.incr();
}
public void incNumQueryStateMachineFails() {
numQueryStateMachineFails.incr();
}
public void incNumBytesWrittenCount(long value) {
numBytesWrittenCount.incr(value);
}
public void incNumBytesCommittedCount(long value) {
numBytesCommittedCount.incr(value);
}
public void incNumReadStateMachineFails() {
numReadStateMachineFails.incr();
}
public void incNumReadStateMachineMissCount() {
numReadStateMachineMissCount.incr();
}
public void incNumApplyTransactionsFails() {
numApplyTransactionFails.incr();
}
@VisibleForTesting
public long getNumWriteStateMachineOps() {
return numWriteStateMachineOps.value();
}
@VisibleForTesting
public long getNumQueryStateMachineOps() {
return numQueryStateMachineOps.value();
}
@VisibleForTesting
public long getNumApplyTransactionsOps() {
return numApplyTransactionOps.value();
}
@VisibleForTesting
public long getNumWriteStateMachineFails() {
return numWriteStateMachineFails.value();
}
@VisibleForTesting
public long getNumQueryStateMachineFails() {
return numQueryStateMachineFails.value();
}
@VisibleForTesting
public long getNumApplyTransactionsFails() {
return numApplyTransactionFails.value();
}
@VisibleForTesting
public long getNumReadStateMachineFails() {
return numReadStateMachineFails.value();
}
@VisibleForTesting
public long getNumReadStateMachineMissCount() {
return numReadStateMachineMissCount.value();
}
@VisibleForTesting
public long getNumBytesWrittenCount() {
return numBytesWrittenCount.value();
}
@VisibleForTesting
public long getNumBytesCommittedCount() {
return numBytesCommittedCount.value();
}
public void unRegister() {
MetricsSystem ms = DefaultMetricsSystem.instance();
ms.unregisterSource(SOURCE_NAME);
}
}