hadoop StatisticsFromAwsSdkImpl 源码
haddop StatisticsFromAwsSdkImpl 代码
文件路径：/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/statistics/impl/StatisticsFromAwsSdkImpl.java
/*
* 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.fs.s3a.statistics.impl;
import java.time.Duration;
import org.apache.hadoop.fs.s3a.statistics.CountersAndGauges;
import org.apache.hadoop.fs.s3a.statistics.StatisticsFromAwsSdk;
import static org.apache.hadoop.fs.s3a.Statistic.STORE_IO_REQUEST;
import static org.apache.hadoop.fs.s3a.Statistic.STORE_IO_RETRY;
import static org.apache.hadoop.fs.s3a.Statistic.STORE_IO_THROTTLED;
import static org.apache.hadoop.fs.s3a.Statistic.STORE_IO_THROTTLE_RATE;
/**
* Hook up AWS SDK Statistics to the S3 counters.
* <p>
* Durations are not currently being used; that could be
* changed in future once an effective strategy for reporting
* them is determined.
*/
public final class StatisticsFromAwsSdkImpl implements
StatisticsFromAwsSdk {
private final CountersAndGauges countersAndGauges;
public StatisticsFromAwsSdkImpl(
final CountersAndGauges countersAndGauges) {
this.countersAndGauges = countersAndGauges;
}
@Override
public void updateAwsRequestCount(final long count) {
countersAndGauges.incrementCounter(STORE_IO_REQUEST, count);
}
@Override
public void updateAwsRetryCount(final long count) {
countersAndGauges.incrementCounter(STORE_IO_RETRY, count);
}
@Override
public void updateAwsThrottleExceptionsCount(final long count) {
countersAndGauges.incrementCounter(STORE_IO_THROTTLED, count);
countersAndGauges.addValueToQuantiles(STORE_IO_THROTTLE_RATE, count);
}
@Override
public void noteAwsRequestTime(final Duration duration) {
}
@Override
public void noteAwsClientExecuteTime(final Duration duration) {
}
@Override
public void noteRequestMarshallTime(final Duration duration) {
}
@Override
public void noteRequestSigningTime(final Duration duration) {
}
@Override
public void noteResponseProcessingTime(final Duration duration) {
}
}
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