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CloudSim Plus: A modern, highly extensible and easier-to-use Java 8+ Framework for Modeling and Simulation of Cloud Computing Infrastructures and Services
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/*
* CloudSim Plus: A modern, highly-extensible and easier-to-use Framework for
* Modeling and Simulation of Cloud Computing Infrastructures and Services.
* http://cloudsimplus.org
*
* Copyright (C) 2015-2021 Universidade da Beira Interior (UBI, Portugal) and
* the Instituto Federal de Educação Ciência e Tecnologia do Tocantins (IFTO, Brazil).
*
* This file is part of CloudSim Plus.
*
* CloudSim Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* CloudSim Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CloudSim Plus. If not, see .
*/
package org.cloudsimplus.traces.google;
/**
* Defines the type of information missing in a {@link GoogleTaskEventsTraceReader} trace file.
* It represents the possible values for the MISSING_INFO field.
* @author Manoel Campos da Silva Filho
* @since CloudSim Plus 4.0.0
*/
public enum MissingInfo {
/**
* 0: Means Google Clusters did not find a record representing the given event,
* but a later snapshot of the job or task state indicated that the transition must have occurred.
* The timestamp of the synthesized event is the timestamp of the snapshot.
*/
SNAPSHOT_BUT_NO_TRANSITION,
/**
* 1: Means Google Clusters did not find a record representing the given termination event,
* but the job or task disappeared from later snapshots of cluster states,
* so it must have been terminated.
* The timestamp of the synthesized event is a pessimistic upper bound on its
* actual termination time assuming it could have legitimately been missing from one snapshot.
*/
NO_SNAPSHOT_OR_TRANSITION,
/**
* 2: Means Google Clusters did not find a record representing the creation of the given task or job.
* In this case, we may be missing metadata
* (job name, resource requests, etc.) about the job or task.
* Therefore, we may have placed SCHEDULE or SUBMIT events latter than they actually are.
*/
EXISTS_BUT_NO_CREATION
}
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