org.apache.pulsar.common.stats.AllocatorStats Maven / Gradle / Ivy
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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.pulsar.common.stats;
import java.util.List;
/**
* Allocator statistics.
*/
public class AllocatorStats {
public int numDirectArenas;
public int numHeapArenas;
public int numThreadLocalCaches;
public int normalCacheSize;
public int smallCacheSize;
public List directArenas;
public List heapArenas;
/**
* Pool arena statistics.
*/
public static class PoolArenaStats {
public int numSmallSubpages;
public int numChunkLists;
public List smallSubpages;
public List chunkLists;
public long numAllocations;
public long numSmallAllocations;
public long numNormalAllocations;
public long numHugeAllocations;
public long numDeallocations;
public long numSmallDeallocations;
public long numNormalDeallocations;
public long numHugeDeallocations;
public long numActiveAllocations;
public long numActiveSmallAllocations;
public long numActiveNormalAllocations;
public long numActiveHugeAllocations;
}
/**
* Pool subpage statistics.
*/
public static class PoolSubpageStats {
public int maxNumElements;
public int numAvailable;
public int elementSize;
public int pageSize;
}
/**
* Pool chunk list statistics.
*/
public static class PoolChunkListStats {
public int minUsage;
public int maxUsage;
public List chunks;
}
/**
* Pool chunk statistics.
*/
public static class PoolChunkStats {
public int usage;
public int chunkSize;
public int freeBytes;
}
}