Package org.apache.hadoop.ozone.container.ozoneimpl

Class BackgroundContainerMetadataScanner

java.lang.Object

org.apache.hadoop.ozone.container.ozoneimpl.AbstractBackgroundContainerScanner

org.apache.hadoop.ozone.container.ozoneimpl.BackgroundContainerMetadataScanner

All Implemented Interfaces:

Runnable

public class BackgroundContainerMetadataScanner
extends AbstractBackgroundContainerScanner

This class is responsible to perform metadata verification of the containers. Only one thread will be responsible for scanning all volumes.

Constructor Summary

Constructors

Constructor	Description
BackgroundContainerMetadataScanner(ContainerScannerConfiguration conf, ContainerController controller)

Method Summary

Modifier and Type	Method	Description
Iterator<Container<?>>	getContainerIterator()
ContainerMetadataScannerMetrics	getMetrics()
void	scanContainer(Container<?> container)

Methods inherited from class org.apache.hadoop.ozone.container.ozoneimpl.AbstractBackgroundContainerScanner

handleRemainingSleep, isAlive, pause, run, runIteration, shutdown, start, unpause

Methods inherited from class java.lang.Object

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

Constructor Details

BackgroundContainerMetadataScanner

public BackgroundContainerMetadataScanner(ContainerScannerConfiguration conf,
 ContainerController controller)

Method Details

getContainerIterator

public Iterator<Container<?>> getContainerIterator()

Specified by:

getContainerIterator in class AbstractBackgroundContainerScanner

scanContainer

public void scanContainer(Container<?> container)
                   throws IOException,
InterruptedException

Specified by:

scanContainer in class AbstractBackgroundContainerScanner

Throws:

IOException

InterruptedException

getMetrics

public ContainerMetadataScannerMetrics getMetrics()

Specified by:

getMetrics in class AbstractBackgroundContainerScanner