DistributedRegionMXBean (Apache Geode 1.13.3)
Date: 2021-06-22

org.apache.geode.management

## Interface DistributedRegionMXBean

-     public interface DistributedRegionMXBean

  MBean that provides access to information and management functionality for a `Region`.
  Since:
    GemFire 7.0

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `float` | `getAverageReads()` Returns the average number of read requests per second.
    `float` | `getAverageWrites()` Returns the average number of write requests per second.
    `int` | `getAvgBucketSize()` Returns the average number of entries in bucket.
    `int` | `getBucketCount()` Returns the number of buckets on this member.
    `long` | `getCacheListenerCallsAvgLatency()` Returns the average latency of a call to a `CacheListener`.
    `long` | `getCacheWriterCallsAvgLatency()` Returns the average latency of a call to a `CacheWriter`.
    `float` | `getCreatesRate()` Returns the number of creates per second.
    `float` | `getDestroyRate()` Returns the number of destroys per second.
    `float` | `getDiskReadsRate()` Returns the number of entries per second for all disks.
    `long` | `getDiskTaskWaiting()` Deprecated.
    `long` | `getDiskUsage()` Returns the total number of bytes used by all disks.
    `float` | `getDiskWritesRate()` Returns the number of entries per second for all disks.
    `int` | `getEmptyNodes()` Returns the number of members whose entry count is 0.
    `long` | `getEntrySize()` Returns the aggregate entry size (in megabytes) of all entries.
    `String` | `getFullPath()` Returns the full path of the Region.
    `float` | `getGetsRate()` Returns the number of gets per second.
    `long` | `getHitCount()` Returns the number of times that a hit occurred.
    `float` | `getHitRatio()` Returns the hit to miss ratio.
    `long` | `getLastAccessedTime()` Returns the time of the most recent access.
    `long` | `getLastModifiedTime()` Returns the time of the most recent modification.
    `float` | `getLruDestroyRate()` Returns the rate of entries destroyed either by destroy cache operations or eviction.
    `float` | `getLruEvictionRate()` Returns the entry eviction rate as triggered by the LRU policy.
    `int` | `getMemberCount()` Returns the number of members hosting/using the Region.
    `String[]` | `getMembers()` Returns a list of names/IDs of the members hosting the Region.
    `long` | `getMissCount()` Returns the number of times that a cache miss occurred.
    `String` | `getName()` Returns the name of the Region.
    `int` | `getNumBucketsWithoutRedundancy()` Returns the number of buckets without full redundancy.
    `String` | `getParentRegion()` Returns the name of the parent Region.
    `int` | `getPrimaryBucketCount()` Returns the number of primary buckets on this member.
    `float` | `getPutAllRate()` Returns the number of putAlls per second.
    `float` | `getPutLocalRate()` Returns the number of local puts per second.
    `long` | `getPutRemoteAvgLatency()` Returns the average latency for remote puts.
    `long` | `getPutRemoteLatency()` Returns the latency for the most recent remote put.
    `float` | `getPutRemoteRate()` Returns the number of remote puts per second.
    `float` | `getPutsRate()` Returns the number of puts per second.
    `String` | `getRegionType()` Returns the type (data policy) of the Region.
    `long` | `getSystemRegionEntryCount()` Returns the number of entries in the Region.
    `int` | `getTotalBucketSize()` Returns the total number of entries in all buckets.
    `long` | `getTotalDiskEntriesInVM()` Returns the current number of entries held in memory.
    `long` | `getTotalDiskWritesProgress()` Returns the current number of disk writes in progress.
    `long` | `getTotalEntriesOnlyOnDisk()` Returns the current number of entries whose values are only on disk (not in memory).
    `boolean` | `isGatewayEnabled()` Returns whether the Region sends data to a `GatewaySender`.
    `boolean` | `isPersistentEnabled()` Returns whether persistence is enabled.
    `EvictionAttributesData` | `listEvictionAttributes()` Returns the eviction attributes of the Region.
    `FixedPartitionAttributesData[]` | `listFixedPartitionAttributesData()` Returns the fixed partition attributes of the Region.
    `MembershipAttributesData` | `listMembershipAttributes()` Deprecated. this API is scheduled to be removed
    `PartitionAttributesData` | `listPartitionAttributes()` Returns the partition attributes of the Region.
    `RegionAttributesData` | `listRegionAttributes()` Returns the attributes of the Region.
    `String[]` | `listSubRegionPaths(boolean recursive)` Returns a list of the names of the subregions.

- - ### Method Detail

    - #### getName

          String getName()

      Returns the name of the Region.

    - #### getMemberCount

          int getMemberCount()

      Returns the number of members hosting/using the Region.

    - #### getMembers

          String[] getMembers()

      Returns a list of names/IDs of the members hosting the Region.

    - #### getRegionType

          String getRegionType()

      Returns the type (data policy) of the Region. CreateRegionCommand will use this attribute

    - #### getFullPath

          String getFullPath()

      Returns the full path of the Region.

    - #### getParentRegion

          String getParentRegion()

      Returns the name of the parent Region.

    - #### listSubRegionPaths

          String[] listSubRegionPaths(boolean recursive)

      Returns a list of the names of the subregions.
      Parameters:
        `recursive` - `true` to recursively traverse and find sub-regions.

    - #### listRegionAttributes

          RegionAttributesData listRegionAttributes()

      Returns the attributes of the Region.

    - #### listPartitionAttributes

          PartitionAttributesData listPartitionAttributes()

      Returns the partition attributes of the Region.

    - #### listFixedPartitionAttributesData

          FixedPartitionAttributesData[] listFixedPartitionAttributesData()

      Returns the fixed partition attributes of the Region.

    - #### listEvictionAttributes

          EvictionAttributesData listEvictionAttributes()

      Returns the eviction attributes of the Region.

    - #### listMembershipAttributes

          MembershipAttributesData listMembershipAttributes()

      Deprecated. this API is scheduled to be removed
      Returns the membership attributes of the Region.

    - #### getLastModifiedTime

          long getLastModifiedTime()

      Returns the time of the most recent modification. For partitioned region it will be -1. This feature is not supported for partitioned regions.

    - #### getLastAccessedTime

          long getLastAccessedTime()

      Returns the time of the most recent access. For partitioned region it will be -1. This feature is not supported for partitioned regions.

    - #### getMissCount

          long getMissCount()

      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.

    - #### getHitCount

          long getHitCount()

      Returns the number of times that a hit occurred. For partitioned region it will be -1. This feature is not supported for partitioned regions.

    - #### getHitRatio

          float getHitRatio()

      Returns the hit to miss ratio. For partitioned region it will be -1. This feature is not supported for partitioned regions.

    - #### getSystemRegionEntryCount

          long getSystemRegionEntryCount()

      Returns the number of entries in the Region.

    - #### getGetsRate

          float getGetsRate()

      Returns the number of gets per second.

    - #### getPutsRate

          float getPutsRate()

      Returns the number of puts per second.

    - #### getCreatesRate

          float getCreatesRate()

      Returns the number of creates per second.

    - #### getDestroyRate

          float getDestroyRate()

      Returns the number of destroys per second.

    - #### getPutAllRate

          float getPutAllRate()

      Returns the number of putAlls per second.

    - #### getPutLocalRate

          float getPutLocalRate()

      Returns the number of local puts per second.

    - #### getPutRemoteRate

          float getPutRemoteRate()

      Returns the number of remote puts per second.

    - #### getPutRemoteLatency

          long getPutRemoteLatency()

      Returns the latency for the most recent remote put.

    - #### getPutRemoteAvgLatency

          long getPutRemoteAvgLatency()

      Returns the average latency for remote puts.

    - #### getTotalEntriesOnlyOnDisk

          long getTotalEntriesOnlyOnDisk()

      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.

    - #### getTotalDiskEntriesInVM

          long getTotalDiskEntriesInVM()

      Returns the current number of entries held in memory.

    - #### getDiskReadsRate

          float getDiskReadsRate()

      Returns the number of entries per second for all disks.

    - #### getDiskWritesRate

          float getDiskWritesRate()

      Returns the number of entries per second for all disks.

    - #### getDiskTaskWaiting

          long getDiskTaskWaiting()

      Deprecated.
      Returns the current number of disk tasks (op-log compaction, asynchronous recoveries, etc) that are waiting for a thread to run.

    - #### getTotalDiskWritesProgress

          long getTotalDiskWritesProgress()

      Returns the current number of disk writes in progress.

    - #### getCacheWriterCallsAvgLatency

          long getCacheWriterCallsAvgLatency()

      Returns the average latency of a call to a `CacheWriter`.

    - #### getCacheListenerCallsAvgLatency

          long getCacheListenerCallsAvgLatency()

      Returns the average latency of a call to a `CacheListener`.

    - #### getLruEvictionRate

          float getLruEvictionRate()

      Returns the entry eviction rate as triggered by the LRU policy.

    - #### getLruDestroyRate

          float getLruDestroyRate()

      Returns the rate of entries destroyed either by destroy cache operations or eviction.

    - #### getBucketCount

          int getBucketCount()

      Returns the number of buckets on this member. Only applicable for partitioned regions.

    - #### getPrimaryBucketCount

          int getPrimaryBucketCount()

      Returns the number of primary buckets on this member. Only applicable for partitioned regions.

    - #### getNumBucketsWithoutRedundancy

          int getNumBucketsWithoutRedundancy()

      Returns the number of buckets without full redundancy. Only applicable for partitioned regions.

    - #### getTotalBucketSize

          int getTotalBucketSize()

      Returns the total number of entries in all buckets. Only applicable for partitioned regions.

    - #### getAvgBucketSize

          int getAvgBucketSize()

      Returns the average number of entries in bucket. Only applicable for partitioned regions.

    - #### getDiskUsage

          long getDiskUsage()

      Returns the total number of bytes used by all disks.

    - #### getAverageReads

          float getAverageReads()

      Returns the average number of read requests per second.

    - #### getAverageWrites

          float getAverageWrites()

      Returns the average number of write requests per second.

    - #### isGatewayEnabled

          boolean isGatewayEnabled()

      Returns whether the Region sends data to a `GatewaySender`.
      Returns:
        True if the Region sends data, false otherwise.

    - #### isPersistentEnabled

          boolean isPersistentEnabled()

      Returns whether persistence is enabled.
      Returns:
        True if persistence is enabled, false otherwise.

    - #### getEntrySize

          long getEntrySize()

      Returns the aggregate entry size (in megabytes) of all entries. This will provide a correct value only if the eviction algorithm has been set to `EvictionAlgorithm.LRU_MEMORY`.

    - #### getEmptyNodes

          int getEmptyNodes()

      Returns the number of members whose entry count is 0.