atris commented on a change in pull request #729: LUCENE-8862: Introduce Collector Level Memory Accounting URL: https://github.com/apache/lucene-solr/pull/729#discussion_r295711786
########## File path: lucene/core/src/java/org/apache/lucene/util/CollectorMemoryTracker.java ########## @@ -0,0 +1,53 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.lucene.util; + +import java.util.concurrent.atomic.AtomicLong; + +/** + * Default implementation of {@code DynamicMemoryTracker} that tracks + * allocations and allows setting a memory limit per collector + */ +public class CollectorMemoryTracker implements DynamicMemoryTracker { + private String name; + private AtomicLong memoryUsage; + private final long memoryLimit; + + public CollectorMemoryTracker(String name, long memoryLimit) { + this.name = name; + this.memoryUsage = new AtomicLong(); + this.memoryLimit = memoryLimit; + } + + @Override + synchronized public void updateBytes(long bytes) { + long currentMemoryUsage = memoryUsage.addAndGet(bytes); + + if (currentMemoryUsage > memoryLimit) { + throw new IllegalStateException("Memory limit exceeded for " + name); Review comment: Should this be CollectionEarlyTerminated? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
