org.apache.hadoop.hdfs.shortcircuit (Apache Hadoop Main 3.5.0 API)
Description: declaration: package: org.apache.hadoop.hdfs.shortcircuit

# Package org.apache.hadoop.hdfs.shortcircuit

package org.apache.hadoop.hdfs.shortcircuit

- Related Packages
  Package
  Description
  org.apache.hadoop.hdfs
  A distributed implementation of `FileSystem`.
- Class
  Description
  org.apache.hadoop.hdfs.shortcircuit.ClientMmap
  A reference to a memory-mapped region used by an HDFS client.
  org.apache.hadoop.hdfs.shortcircuit.DfsClientShm
  DfsClientShm is a subclass of ShortCircuitShm which is used by the DfsClient.
  org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager
  Manages short-circuit memory segments for an HDFS client.
  org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager.PerDatanodeVisitorInfo
  org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager.Visitor
  org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory
  org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory.PathInfo
  DomainSocketFactory.PathState
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitCache
  The ShortCircuitCache tracks things which the client needs to access HDFS block files via short-circuit.
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitCache.CacheVisitor
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitCache.ShortCircuitReplicaCreator
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitReplica
  A ShortCircuitReplica object contains file descriptors for a block that we are reading via short-circuit local reads.
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitReplicaInfo
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm
  A shared memory segment used to implement short-circuit reads.
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm.ShmId
  Identifies a DfsClientShm.
  org.apache.hadoop.hdfs.shortcircuit.ShortCircuitShm.SlotId
  Uniquely identifies a slot.