Public

calculateShouldScan

<init>

Disallow the scanner from scanning the given block pool.

disableBlockPoolId

Allow the scanner to scan the given block pool.

enableBlockPoolId

expireOldScannedBytesRecords

Find a usable block iterator. We will consider available block iterators in
order. This property is 

findNextUsableBlockIter

getStatistics

interrupt

markSuspectBlock

If there are elements in the suspectBlocks list, removes and returns the first
one. Otherwise, retur

popNextSuspectBlock

positiveMsToHours

printStats

Run an iteration of the VolumeScanner loop.

runLoop

saveBlockIterator

scanBlock

setConf

setDaemon

setName

shutdown

start

VolumeScanner

Finding current android device location

The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta

java.awt.GridBagLayout

A class for turning a byte stream into a character stream. Data read from the
source input stream is

java.io.InputStreamReader

Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma

java.text.MessageFormat

Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio

java.util.Dictionary

A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if 

java.util.concurrent.Semaphore

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

org.xml.sax.SAXParseException

Return the contained value, if present, otherwise throw an exception to be
created by the provided s

orElseThrow

findViewById

scheduleAtFixedRate

// Record the minute on which the scanner started.

// Take the lock to check if we should stop, and access the

// We are exiting because of an InterruptedException,

// probably sent by VolumeScanner#shutdown.

"{} exiting because of InterruptedException."

// Save the current position of all block iterators and close them.

// When the VolumeScanner exits, release the reference we were holding

// on the volume.  This will allow the volume to be removed later.

/**
   * Run an iteration of the VolumeScanner loop.
   *
   * @param suspectBlock   A suspect block which we should scan, or null to
   *                       scan the next regularly scheduled block.
   *
   * @return     The number of milliseconds to delay before running the loop
   *               again, or 0 to re-run the loop immediately.
   */

// If neededBytesPerSec is too low, then wait few seconds for some old

"{}: no block pools are ready to scan yet.  Waiting "

// There was an error listing the next block in the volume.  This is a

// On the next loop iteration, curBlockIter#eof will be set to true, and

// we will pick a different block iterator.

"{}: saving block iterator {} after {} ms."

How to use saveBlockIteratormethodin org.apache.hadoop.hdfs.server.datanode.VolumeScanner

Best Java code snippets using org.apache.hadoop.hdfs.server.datanode.VolumeScanner.saveBlockIterator (Showing top 6 results out of 315)

How to use
saveBlockIterator
method
in
org.apache.hadoop.hdfs.server.datanode.VolumeScanner