org.apache.ignite.internal.processors.diagnostic

Class DiagnosticProcessor

java.lang.Object

org.apache.ignite.internal.processors.GridProcessorAdapter

org.apache.ignite.internal.processors.diagnostic.DiagnosticProcessor

All Implemented Interfaces:

GridComponent, GridProcessor

public class DiagnosticProcessor
extends GridProcessorAdapter

Processor which contained helper methods for different diagnostic cases.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DiagnosticProcessor.DiagnosticAction Possible action after WAL scanning.
static class	DiagnosticProcessor.DiagnosticFileWriteMode Mode of diagnostic dump file.

Nested classes/interfaces inherited from interface org.apache.ignite.internal.GridComponent

GridComponent.DiscoveryDataExchangeType

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_TARGET_FOLDER Folder name for store diagnostic info.
static boolean	DFLT_DUMP_PAGE_LOCK_ON_FAILURE

Fields inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

ctx, diagnosticLog, log

Constructor Summary

Constructors

Constructor and Description
DiagnosticProcessor(GridKernalContext ctx)

Method Summary

Modifier and Type	Method and Description
void	dumpPageHistory(PageHistoryDiagnoster.DiagnosticPageBuilder builder) Dump all history caches of given page.
void	onFailure(Ignite ignite, FailureContext failureCtx) Print diagnostic info about failure occurred on ignite instance.
void	onKernalStart(boolean active) Callback that notifies that kernal has successfully started, including all managers and processors.

Methods inherited from class org.apache.ignite.internal.processors.GridProcessorAdapter

assertParameter, collectGridNodeData, collectJoiningNodeData, discoveryDataType, onDisconnected, onGridDataReceived, onJoiningNodeDataReceived, onKernalStop, onReconnected, printMemoryStats, start, stop, toString, validateNode, validateNode

Methods inherited from class java.lang.Object

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

Field Detail

DFLT_DUMP_PAGE_LOCK_ON_FAILURE

public static final boolean DFLT_DUMP_PAGE_LOCK_ON_FAILURE

See Also:

IgniteSystemProperties.IGNITE_DUMP_PAGE_LOCK_ON_FAILURE, Constant Field Values

DEFAULT_TARGET_FOLDER

public static final String DEFAULT_TARGET_FOLDER

Folder name for store diagnostic info.

See Also:

Constant Field Values

Constructor Detail

DiagnosticProcessor

public DiagnosticProcessor(GridKernalContext ctx)
                    throws IgniteCheckedException

Parameters:

ctx - Kernal context.

Throws:

IgniteCheckedException

Method Detail

onKernalStart

public void onKernalStart(boolean active)
                   throws IgniteCheckedException

Callback that notifies that kernal has successfully started, including all managers and processors.

Specified by:

onKernalStart in interface GridComponent

Overrides:

onKernalStart in class GridProcessorAdapter

Parameters:

active - Cluster active flag (note: should be used carefully since state can change concurrently).

Throws:

IgniteCheckedException - Thrown in case of any errors.

dumpPageHistory

public void dumpPageHistory(@NotNull
                            PageHistoryDiagnoster.DiagnosticPageBuilder builder)
                     throws IgniteCheckedException

Dump all history caches of given page.

Parameters:

builder - Parameters of dumping.

Throws:

IgniteCheckedException - If scanning was failed.

onFailure

public void onFailure(Ignite ignite,
                      FailureContext failureCtx)

Print diagnostic info about failure occurred on ignite instance. Failure details is contained in failureCtx.

Parameters:

ignite - Ignite instance.

failureCtx - Failure context.