Public

<init>

Returns true if the block scanner is enabled. If the block scanner is disabled,
no volume scanners w

isEnabled

Mark a block as "suspect." This means that we should try to rescan it soon. Note
that the VolumeScan

markSuspectBlock

Stops and removes all volume scanners. This function will block until all the
volume scanners have s

removeAllVolumeScanners

Set up a scanner for the given block pool and volume.

addVolumeScanner

disableBlockPoolId

enableBlockPoolId

printStats

Stops and removes a volume scanner. This function will block until the volume
scanner has stopped.

removeVolumeScanner

getVolumeStats

setConf

BlockScanner

Start an intent from android

A component is an object having a graphical representation that can be displayed
on the screen and t

java.awt.Component

Allows reading from and writing to a file in a random-access manner. This is
different from the uni-

java.io.RandomAccessFile

 Collection is the root of the collection hierarchy. It defines operations on
data collections and t

java.util.Collection

A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or

java.util.concurrent.ConcurrentHashMap

javax.swing.JOptionPane

Encapsulate an XML parse error or warning.> This module, both source code and documentation, is in t

org.xml.sax.SAXParseException

runOnUiThread

requestLocationUpdates

startActivity

/**
   * One of the Block Pools has successfully connected to its NN.
   * This initializes the local storage for that block pool,
   * checks consistency of the NN's cluster ID, etc.
   * 
   * If this is the first block pool to register, this also initializes
   * the datanode-scoped storage.
   * 
   * @param bpos Block pool offer service
   * @throws IOException if the NN is inconsistent with the local storage.
   */

" should have retrieved namespace info before initBlockPool."

// Register the new block pool with the BP manager.

// In the case that this is the first block pool to connect, initialize

// Exclude failed disks before initializing the block pools to avoid startup

How to use enableBlockPoolIdmethodin org.apache.hadoop.hdfs.server.datanode.BlockScanner

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How to use
enableBlockPoolId
method
in
org.apache.hadoop.hdfs.server.datanode.BlockScanner