Package org.apache.hadoop.hdfs.server.datanode.erasurecode

@LimitedPrivate("HDFS") @Evolving package org.apache.hadoop.hdfs.server.datanode.erasurecode

Datanode side striping + erasure coding related task processing.

Related Packages

Package	Description
org.apache.hadoop.hdfs.server.datanode
org.apache.hadoop.hdfs.server.datanode.checker	Datanode support for running disk checks.
org.apache.hadoop.hdfs.server.datanode.fsdataset
org.apache.hadoop.hdfs.server.datanode.metrics
org.apache.hadoop.hdfs.server.datanode.web	Data node HTTP classes.

Classes

Class	Description
ErasureCodingWorker	ErasureCodingWorker handles the erasure coding reconstruction work commands.
StripedBlockChecksumCompositeCrcReconstructor	Computes striped composite CRCs over reconstructed chunk CRCs.
StripedBlockChecksumMd5CrcReconstructor	Computes running MD5-of-CRC over reconstructed chunk CRCs.
StripedBlockChecksumReconstructor	StripedBlockChecksumReconstructor reconstruct one or more missed striped block in the striped block group, the minimum number of live striped blocks should be no less than data block number.
StripedReconstructionInfo	Stores striped block info that can be used for block reconstruction.