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81
server/src/main/java/org/opensearch/node/NodeResourceUsageStats.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.node; | ||
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import org.opensearch.core.common.io.stream.StreamInput; | ||
import org.opensearch.core.common.io.stream.StreamOutput; | ||
import org.opensearch.core.common.io.stream.Writeable; | ||
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import java.io.IOException; | ||
import java.util.Locale; | ||
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/** | ||
* This represents the resource usage stats of a node along with the timestamp at which the stats object was created | ||
* in the respective node | ||
*/ | ||
public class NodeResourceUsageStats implements Writeable { | ||
final String nodeId; | ||
long timestamp; | ||
double cpuUtilizationPercent; | ||
double memoryUtilizationPercent; | ||
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public NodeResourceUsageStats(String nodeId, long timestamp, double memoryUtilizationPercent, double cpuUtilizationPercent) { | ||
this.nodeId = nodeId; | ||
this.timestamp = timestamp; | ||
this.cpuUtilizationPercent = cpuUtilizationPercent; | ||
this.memoryUtilizationPercent = memoryUtilizationPercent; | ||
} | ||
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public NodeResourceUsageStats(StreamInput in) throws IOException { | ||
this.nodeId = in.readString(); | ||
this.timestamp = in.readLong(); | ||
this.cpuUtilizationPercent = in.readDouble(); | ||
this.memoryUtilizationPercent = in.readDouble(); | ||
} | ||
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@Override | ||
public void writeTo(StreamOutput out) throws IOException { | ||
out.writeString(this.nodeId); | ||
out.writeLong(this.timestamp); | ||
out.writeDouble(this.cpuUtilizationPercent); | ||
out.writeDouble(this.memoryUtilizationPercent); | ||
} | ||
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@Override | ||
public String toString() { | ||
StringBuilder sb = new StringBuilder("NodeResourceUsageStats["); | ||
sb.append(nodeId).append("]("); | ||
sb.append("Timestamp: ").append(timestamp); | ||
sb.append(", CPU utilization percent: ").append(String.format(Locale.ROOT, "%.1f", cpuUtilizationPercent)); | ||
sb.append(", Memory utilization percent: ").append(String.format(Locale.ROOT, "%.1f", memoryUtilizationPercent)); | ||
sb.append(")"); | ||
return sb.toString(); | ||
} | ||
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NodeResourceUsageStats(NodeResourceUsageStats nodeResourceUsageStats) { | ||
this( | ||
nodeResourceUsageStats.nodeId, | ||
nodeResourceUsageStats.timestamp, | ||
nodeResourceUsageStats.memoryUtilizationPercent, | ||
nodeResourceUsageStats.cpuUtilizationPercent | ||
); | ||
} | ||
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public double getMemoryUtilizationPercent() { | ||
return memoryUtilizationPercent; | ||
} | ||
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public double getCpuUtilizationPercent() { | ||
return cpuUtilizationPercent; | ||
} | ||
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public long getTimestamp() { | ||
return timestamp; | ||
} | ||
} |
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