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Create a ClientMetrics class to wrap the list of longs
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| /* | ||
| * Licensed to the University of California, Berkeley 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 tachyon.worker; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
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| import tachyon.Constants; | ||
|
|
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| /** | ||
| * ClientMetrics is used to pass client metrics from client to worker by user heartbeat. | ||
| */ | ||
| public class ClientMetrics { | ||
| private List<Long> mMetrics; | ||
|
|
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| public ClientMetrics() { | ||
| mMetrics = createDefaultMetrics(); | ||
| } | ||
|
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| private List<Long> createDefaultMetrics() { | ||
| List<Long> defaultMetrics = | ||
| new ArrayList<Long>(Collections.nCopies(Constants.CLIENT_METRICS_SIZE, 0L)); | ||
| defaultMetrics.set(Constants.CLIENT_METRICS_VERSION_INDEX, Constants.CLIENT_METRICS_VERSION); | ||
| return defaultMetrics; | ||
| } | ||
|
|
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| public synchronized List<Long> getHeartbeatData() { | ||
| List<Long> ret = mMetrics; | ||
| mMetrics = createDefaultMetrics(); | ||
| return ret; | ||
| } | ||
|
|
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| public synchronized void incBlocksReadLocal(long n) { | ||
| mMetrics.set(Constants.BLOCKS_READ_LOCAL_INDEX, | ||
| mMetrics.get(Constants.BLOCKS_READ_LOCAL_INDEX) + n); | ||
| } | ||
|
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| public synchronized void incBlocksReadRemote(long n) { | ||
| mMetrics.set(Constants.BLOCKS_READ_REMOTE_INDEX, | ||
| mMetrics.get(Constants.BLOCKS_READ_REMOTE_INDEX) + n); | ||
| } | ||
|
|
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| public synchronized void incBlocksWrittenLocal(long n) { | ||
| mMetrics.set(Constants.BLOCKS_WRITTEN_LOCAL_INDEX, | ||
| mMetrics.get(Constants.BLOCKS_WRITTEN_LOCAL_INDEX) + n); | ||
| } | ||
|
|
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| public synchronized void incBytesReadLocal(long n) { | ||
| mMetrics.set(Constants.BYTES_READ_LOCAL_INDEX, | ||
| mMetrics.get(Constants.BYTES_READ_LOCAL_INDEX) + n); | ||
| } | ||
|
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| public synchronized void incBytesReadRemote(long n) { | ||
| mMetrics.set(Constants.BYTES_READ_REMOTE_INDEX, | ||
| mMetrics.get(Constants.BYTES_READ_REMOTE_INDEX) + n); | ||
| } | ||
|
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| public synchronized void incBytesReadUfs(long n) { | ||
| mMetrics.set(Constants.BYTES_READ_UFS_INDEX, mMetrics.get(Constants.BYTES_READ_UFS_INDEX) + n); | ||
| } | ||
|
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| public synchronized void incBytesWrittenLocal(long n) { | ||
| mMetrics.set(Constants.BYTES_WRITTEN_LOCAL_INDEX, | ||
| mMetrics.get(Constants.BYTES_WRITTEN_LOCAL_INDEX) + n); | ||
| } | ||
|
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| public synchronized void incBytesWrittenUfs(long n) { | ||
| mMetrics.set(Constants.BYTES_WRITTEN_UFS_INDEX, | ||
| mMetrics.get(Constants.BYTES_WRITTEN_UFS_INDEX) + n); | ||
| } | ||
| } |
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