/**
* 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.hive.llap.cache;
import javax.management.MXBean;
/**
* MXbean to expose cache allocator related information through JMX.
*/
@MXBean
public interface BuddyAllocatorMXBean {
/**
* Gets if bytebuffers are allocated directly offheap.
*
* @return gets if direct bytebuffer allocation
*/
public boolean getIsDirect();
/**
* Gets minimum allocation size of allocator.
*
* @return minimum allocation size
*/
public int getMinAllocation();
/**
* Gets maximum allocation size of allocator.
*
* @return maximum allocation size
*/
public int getMaxAllocation();
/**
* Gets the arena size.
*
* @return arena size
*/
public int getArenaSize();
/**
* Gets the maximum cache size.
*
* @return max cache size
*/
public long getMaxCacheSize();
}