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// Copyright 2018 Yahoo Holdings. 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.log.LogLevel;
import com.yahoo.vespa.config.server.ApplicationRepository;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.flags.FlagSource;
import java.time.Duration;
/**
* Removes inactive sessions
* <p>
* Note: Unit test is in ApplicationRepositoryTest
*
* @author hmusum
*/
public class SessionsMaintainer extends ConfigServerMaintainer {
private final boolean hostedVespa;
SessionsMaintainer(ApplicationRepository applicationRepository, Curator curator, Duration interval, FlagSource flagSource) {
// Start this maintainer immediately. It frees disk space, so if disk goes full and config server
// restarts this makes sure that cleanup will happen as early as possible
super(applicationRepository, curator, flagSource, Duration.ZERO, interval);
this.hostedVespa = applicationRepository.configserverConfig().hostedVespa();
}
@Override
protected boolean maintain() {
applicationRepository.deleteExpiredLocalSessions();
// Expired remote sessions are sessions that belong to an application that have external deployments that
// are no longer active
if (hostedVespa) {
Duration expiryTime = Duration.ofHours(12);
int deleted = applicationRepository.deleteExpiredRemoteSessions(expiryTime);
log.log(LogLevel.FINE, "Deleted " + deleted + " expired remote sessions, expiry time " + expiryTime);
}
Duration lockExpiryTime = Duration.ofDays(1);
int deleted = applicationRepository.deleteExpiredLocks(lockExpiryTime);
if (deleted > 0)
log.log(LogLevel.INFO, "Deleted " + deleted + " locks older than " + lockExpiryTime);
return true;
}
}
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