Package org.apache.solr.cluster.maintenance

Class InactiveShardRemover

java.lang.Object

org.apache.solr.cluster.maintenance.InactiveShardRemover

All Implemented Interfaces:

ConfigurablePlugin<InactiveShardRemoverConfig>, ClusterSingleton

public class InactiveShardRemover
extends Object
implements ClusterSingleton, ConfigurablePlugin<InactiveShardRemoverConfig>

This Cluster Singleton can be configured to periodically find and remove Slice.State.INACTIVE Shards that are left behind after a Shard is split

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.cloud.ClusterSingleton

ClusterSingleton.State

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PLUGIN_NAME

Constructor Summary

Constructors

Constructor	Description
InactiveShardRemover(CoreContainer cc)	Constructor invoked via Reflection
InactiveShardRemover(CoreContainer cc, org.apache.solr.cluster.maintenance.InactiveShardRemover.DeleteActor deleteActor)

Method Summary

Modifier and Type	Method	Description
void	configure(InactiveShardRemoverConfig cfg)	This is invoked soon after the Object is initialized.
String	getName()	Unique name of this singleton.
ClusterSingleton.State	getState()	Returns the current state of the component.
void	start()	Start the operation of the component.
void	stop()	Stop the operation of the component.

Methods inherited from class java.lang.Object

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

Field Details

PLUGIN_NAME

public static final String PLUGIN_NAME

See Also:

• Constant Field Values

Constructor Details

InactiveShardRemover

public InactiveShardRemover(CoreContainer cc)

Constructor invoked via Reflection

InactiveShardRemover

public InactiveShardRemover(CoreContainer cc,
 org.apache.solr.cluster.maintenance.InactiveShardRemover.DeleteActor deleteActor)

Method Details

configure

public void configure(InactiveShardRemoverConfig cfg)

Description copied from interface: ConfigurablePlugin

This is invoked soon after the Object is initialized.

Specified by:

configure in interface ConfigurablePlugin<InactiveShardRemoverConfig>

Parameters:

cfg - value deserialized from JSON

getName

public String getName()

Description copied from interface: ClusterSingleton

Unique name of this singleton. Used for registration.

Specified by:

getName in interface ClusterSingleton

getState

public ClusterSingleton.State getState()

Description copied from interface: ClusterSingleton

Returns the current state of the component.

Specified by:

getState in interface ClusterSingleton

start

public void start()
           throws Exception

Description copied from interface: ClusterSingleton

Start the operation of the component. Initially this method should set the state to STARTING, and on success it should set the state to RUNNING.

Specified by:

start in interface ClusterSingleton

Throws:

Exception - on startup errors. The component should revert to the STOPPED state.

stop

public void stop()

Description copied from interface: ClusterSingleton

Stop the operation of the component. Initially this method should set the state to STOPPING, and on return it should set the state to STOPPED. Components should also avoid holding any resource when in STOPPED state.

Specified by:

stop in interface ClusterSingleton