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

Class BlockRecoveryWorker

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.BlockRecoveryWorker

@Private
public class BlockRecoveryWorker
extends java.lang.Object

This class handles the block recovery work commands.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	BlockRecoveryWorker.RecoveryTaskStriped	blk_0 blk_1 blk_2 blk_3 blk_4 blk_5 blk_6 blk_7 blk_8 64k 64k 64k 64k 64k 64k 64k 64k 64k <-- stripe_0 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 61k <-- startStripeIdx 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 59k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k 64k <-- last full stripe 64k 64k 13k 64k 55k 3k <-- target last stripe 64k 64k 64k 1k 64k 64k 58k 64k 64k 64k 19k 64k <-- total visible stripe Due to different speed of streamers, the internal blocks in a block group could have different lengths when the block group isn't ended normally.

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.util.Daemon	recoverBlocks(java.lang.String who, java.util.Collection<BlockRecoveryCommand.RecoveringBlock> blocks)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

public static final org.slf4j.Logger LOG

Method Detail

recoverBlocks

public org.apache.hadoop.util.Daemon recoverBlocks(java.lang.String who,
                                                   java.util.Collection<BlockRecoveryCommand.RecoveringBlock> blocks)