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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.maintenance;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.vespa.config.server.ApplicationRepository;
import com.yahoo.vespa.config.server.filedistribution.FileDirectory;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.flags.FlagSource;
import java.time.Duration;
/**
* Removes unused file references older than a configured time, but always keeps a certain number of file references
* even when they are unused.
* <p>
* Note: Unit test is in ApplicationRepositoryTest
*
* @author hmusum
*/
public class FileDistributionMaintainer extends ConfigServerMaintainer {
private final ApplicationRepository applicationRepository;
private final FileDirectory fileDirectory;
private final Duration maxUnusedFileReferenceAge;
FileDistributionMaintainer(ApplicationRepository applicationRepository,
Curator curator,
Duration interval,
FlagSource flagSource,
FileDirectory fileDirectory) {
super(applicationRepository, curator, flagSource, applicationRepository.clock(), interval, false);
this.applicationRepository = applicationRepository;
ConfigserverConfig configserverConfig = applicationRepository.configserverConfig();
this.maxUnusedFileReferenceAge = Duration.ofMinutes(configserverConfig.keepUnusedFileReferencesMinutes());
this.fileDirectory = fileDirectory;
}
@Override
protected double maintain() {
applicationRepository.deleteUnusedFileDistributionReferences(fileDirectory, maxUnusedFileReferenceAge);
return 1.0;
}
}
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