/*
* Licensed 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 com.facebook.presto.memory;
import io.airlift.configuration.Config;
import io.airlift.configuration.ConfigDescription;
import io.airlift.configuration.DefunctConfig;
import io.airlift.units.DataSize;
import io.airlift.units.Duration;
import io.airlift.units.MinDuration;
import javax.validation.constraints.NotNull;
import static io.airlift.units.DataSize.Unit.GIGABYTE;
import static java.util.concurrent.TimeUnit.MINUTES;
@DefunctConfig("experimental.cluster-memory-manager-enabled")
public class MemoryManagerConfig
{
private DataSize maxQueryMemory = new DataSize(20, GIGABYTE);
private boolean killOnOutOfMemory;
private Duration killOnOutOfMemoryDelay = new Duration(5, MINUTES);
public boolean isKillOnOutOfMemory()
{
return killOnOutOfMemory;
}
@Config("query.low-memory-killer.enabled")
@ConfigDescription("Enable low memory killer")
public MemoryManagerConfig setKillOnOutOfMemory(boolean killOnOutOfMemory)
{
this.killOnOutOfMemory = killOnOutOfMemory;
return this;
}
@NotNull
@MinDuration("5s")
public Duration getKillOnOutOfMemoryDelay()
{
return killOnOutOfMemoryDelay;
}
@Config("query.low-memory-killer.delay")
@ConfigDescription("Delay between cluster running low on memory and invoking killer")
public MemoryManagerConfig setKillOnOutOfMemoryDelay(Duration killOnOutOfMemoryDelay)
{
this.killOnOutOfMemoryDelay = killOnOutOfMemoryDelay;
return this;
}
@NotNull
public DataSize getMaxQueryMemory()
{
return maxQueryMemory;
}
@Config("query.max-memory")
public MemoryManagerConfig setMaxQueryMemory(DataSize maxQueryMemory)
{
this.maxQueryMemory = maxQueryMemory;
return this;
}
}