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Server functionality for HBase

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/*
 * 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.hadoop.hbase.util;

import org.apache.hadoop.hbase.log.HBaseMarkers;
import org.apache.yetus.audience.InterfaceAudience;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@InterfaceAudience.Private
public final class OOMEChecker {

  private static final Logger LOG = LoggerFactory.getLogger(OOMEChecker.class);

  private OOMEChecker() {
  }

  public static boolean exitIfOOME(Throwable e, String service) {
    boolean stop = false;
    try {
      if (
        e instanceof OutOfMemoryError
          || (e.getCause() != null && e.getCause() instanceof OutOfMemoryError)
          || (e.getMessage() != null && e.getMessage().contains("java.lang.OutOfMemoryError"))
      ) {
        stop = true;
        LOG.error(HBaseMarkers.FATAL, "Run out of memory; {} will abort itself immediately",
          service, e);
      }
    } finally {
      if (stop) {
        Runtime.getRuntime().halt(1);
      }
    }
    return stop;
  }
}