io.trino.execution.scheduler.faulttolerant.NoMemoryPartitionMemoryEstimator Maven / Gradle / Ivy
/*
* 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 io.trino.execution.scheduler.faulttolerant;
import io.airlift.units.DataSize;
import io.trino.spi.ErrorCode;
import java.util.Optional;
public class NoMemoryPartitionMemoryEstimator
implements PartitionMemoryEstimator
{
public static final NoMemoryPartitionMemoryEstimator INSTANCE = new NoMemoryPartitionMemoryEstimator();
private NoMemoryPartitionMemoryEstimator() {}
@Override
public MemoryRequirements getInitialMemoryRequirements()
{
return new MemoryRequirements(DataSize.ofBytes(0));
}
@Override
public MemoryRequirements getNextRetryMemoryRequirements(MemoryRequirements previousMemoryRequirements, DataSize peakMemoryUsage, ErrorCode errorCode)
{
return new MemoryRequirements(DataSize.ofBytes(0));
}
@Override
public void registerPartitionFinished(MemoryRequirements previousMemoryRequirements, DataSize peakMemoryUsage, boolean success, Optional errorCode) {}
}