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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* 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.geode.management;
import org.apache.geode.cache.CacheListener;
import org.apache.geode.cache.CacheWriter;
import org.apache.geode.cache.EvictionAlgorithm;
import org.apache.geode.cache.Region;
import org.apache.geode.management.internal.security.ResourceOperation;
import org.apache.geode.security.ResourcePermission.Operation;
import org.apache.geode.security.ResourcePermission.Resource;
/**
* MBean that provides access to information and management functionality for a local
* {@link Region}.
*
* For all the latency related attributes e.g. PutRemoteLatency ,DiskWritesAverageLatency etc..
* "enable-time-statistics" should be set to true.
*
* @since GemFire 7.0
*
*/
@ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
public interface RegionMXBean {
/**
* Returns the name of the Region.
*/
public String getName();
/**
* Returns the type (data policy) of the Region.
*/
public String getRegionType();
/**
* Returns the full path of the Region.
*/
public String getFullPath();
/**
* The name of the parent Region or null if the Region has no parent.
*/
public String getParentRegion();
/**
* Returns a list of the names of the sub regions.
*
* @param recursive True to recursively traverse and find sub-regions.
*/
public String[] listSubregionPaths(boolean recursive);
/**
* Returns the attributes of the Region.
*/
public RegionAttributesData listRegionAttributes();
/**
* Returns the partition attributes of the Region.
*/
public PartitionAttributesData listPartitionAttributes();
/**
* Returns the fixed partition attributes of the Region.
*/
public FixedPartitionAttributesData[] listFixedPartitionAttributes();
/**
* Returns the eviction attributes of the Region.
*/
public EvictionAttributesData listEvictionAttributes();
/**
* Returns the membership attributes of the Region.
*
* @deprecated this API is scheduled to be removed
*/
public MembershipAttributesData listMembershipAttributes();
/**
* Returns the time of the most recent modification. For partitioned region it will be -1 . This
* feature is not supported for partitioned regions.
*/
public long getLastModifiedTime();
/**
* Returns the time of the most recent access. For partitioned region it will be -1. This feature
* is not supported for partitioned regions.
*/
public long getLastAccessedTime();
/**
* Returns the number of times that a cache miss occurred. For partitioned region it will be -1 .
* This feature is not supported for partitioned regions.
*/
public long getMissCount();
/**
* Returns the number of times that a hit occurred. For partitioned region it will be -1.This
* feature is not supported for partitioned regions.
*/
public long getHitCount();
/**
* Returns the hit to miss ratio. For partitioned region it will be -1 .This feature is not
* supported for partitioned regions.
*/
public float getHitRatio();
/**
* Returns the number of entries in the Region within this member. For partitioned regions it will
* be the entry count for the primary buckets hosted within this member.
*
*/
public long getEntryCount();
/**
* Returns the number of gets per second.
*/
public float getGetsRate();
/**
* Returns the number of puts per second.
*/
public float getPutsRate();
/**
* Returns the number of creates per second.
*/
public float getCreatesRate();
/**
* Returns the number of destroys per second.
*/
public float getDestroyRate();
/**
* Returns the number of putAlls per second.
*/
public float getPutAllRate();
/**
* Returns the number of local puts per second.Only applicable for partitioned regions.
*/
public float getPutLocalRate();
/**
* Returns the number of remote puts per second.Only applicable for partitioned regions.
*/
public float getPutRemoteRate();
/**
* Returns the latency for the most recent remote put in nanoseconds.Only applicable for
* partitioned regions.
*/
public long getPutRemoteLatency();
/**
* Returns the average latency for remote puts in nanoseconds.Only applicable for partitioned
* regions.
*/
public long getPutRemoteAvgLatency();
/**
* Returns the current number of entries whose values are only on disk (not in memory). Entries
* may not exist in memory if they have been overflowed to disk or not yet been faulted in after a
* recovery.
*/
public long getTotalEntriesOnlyOnDisk();
/**
* Returns the current number of entries held in memory.
*/
public long getTotalDiskEntriesInVM();
/**
* Returns the number of entries reads per second from disk.
*/
public float getDiskReadsRate();
/**
* Returns the average latency of disk reads in nanoseconds
*
* @deprecated See corresponding DiskStores latency to get the latency.
*/
public long getDiskReadsAverageLatency();
/**
* Returns the average latency of disk writes in nanoseconds.
*
* @deprecated See corresponding DiskStores latency to get the latency.
*/
public long getDiskWritesAverageLatency();
/**
* Returns the number of entries written per second to disk.
*/
public float getDiskWritesRate();
/**
* Returns the current number of disk writes in progress.
*/
public long getTotalDiskWritesProgress();
/**
* Returns the current number of disk tasks (op-log compaction, asynchronous recoveries, etc) that
* are waiting for a thread to run.
*
* @deprecated
*/
public long getDiskTaskWaiting();
/**
* Returns the average latency of a call to a {@link CacheWriter} in nanoseconds.
*/
public long getCacheWriterCallsAvgLatency();
/**
* Returns the average latency of a call to a {@link CacheListener} in nanoseconds.
*/
public long getCacheListenerCallsAvgLatency();
/**
* Returns the entry eviction rate as triggered by the LRU policy.
*/
public float getLruEvictionRate();
/**
* Returns the rate of entries destroyed either by destroy cache operations or eviction.
*/
public float getLruDestroyRate();
/**
* Returns the number of buckets on this member. Only applicable for partitioned regions.
*/
public int getBucketCount();
/**
* Returns the number of primary buckets on this member. Only applicable for partitioned regions.
*/
public int getPrimaryBucketCount();
/**
* Returns the number of buckets without full redundancy. Only applicable for partitioned regions.
*/
public int getNumBucketsWithoutRedundancy();
/**
* Returns the number of redundant copies configured for this partitioned region.Only applicable
* for partitioned regions.
*/
public int getConfiguredRedundancy();
/**
* Returns the actual number of redundant copies available for buckets in this partitioned region.
* Usually this is the number of redundant copies configured for buckets in the region. However,
* during initialization or error states the actual number of copies for any given bucket may be
* less than the configured number. In that case, the value returned will be the smallest number
* of redundant copies available for any single bucket.
*/
public int getActualRedundancy();
/**
* Returns the total number of entries in all buckets. Only applicable for partitioned regions.
*/
public int getTotalBucketSize();
/**
* Returns the average number of entries in bucket. Only applicable for partitioned regions.
*
* @deprecated This attribute is removed from 8.0 for being incorrect and impacting performance.
*/
public int getAvgBucketSize();
/**
* Returns the total number of bytes stored in disk for this region.
*/
public long getDiskUsage();
/**
* Returns the aggregate entry size (in bytes) of all entries. This will provide a correct value
* only if the eviction algorithm has been set to {@link EvictionAlgorithm#LRU_MEMORY}.
*
* For all partition regions it will show entry size in bytes. It will also include size of all
* the secondary entries in the data store. So while referring to size one should take redundancy
* into account
*/
public long getEntrySize();
/**
* Returns whether this region sends data using a GatewaySender.
*/
public boolean isGatewayEnabled();
/**
* Returns the average number of read requests per second.
*/
public float getAverageReads();
/**
* Returns the average number of write requests per second. This include rates of put,putAll &
* create operations on the region
*/
public float getAverageWrites();
/**
* Returns whether persistence is enabled.
*/
public boolean isPersistentEnabled();
/**
* Returns the name/ID of the member hosting this Region.
*/
public String getMember();
/**
* Returns the maximum amount of local memory that can be used by the region. This attribute is
* applicable for PartitionedRegion only. For other regions it will be -1
*/
public int getLocalMaxMemory();
}