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/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) Constructor.

Method Summary

Modifier and Type	Method and Description
static File	corruptedPagesFile(Path dirPath, FileIOFactory ioFactory, T2<Integer,Long>... pages) Creation and filling of a file with pages that can be corrupted.
void	onFailure(FailureContext failureCtx) Print diagnostic info about failure occurred on ignite instance.

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

assertParameter, collectGridNodeData, collectJoiningNodeData, discoveryDataType, onDisconnected, onGridDataReceived, onJoiningNodeDataReceived, onKernalStart, 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

Constructor.

Parameters:

ctx - Kernal context.

Throws:

IgniteCheckedException

Method Detail

onFailure

public void onFailure(FailureContext failureCtx)

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

Parameters:

failureCtx - Failure context.

corruptedPagesFile

public static File corruptedPagesFile(Path dirPath,
                                      FileIOFactory ioFactory,
                                      T2<Integer,Long>... pages)
                               throws IOException

Creation and filling of a file with pages that can be corrupted. Pages are written on each line in format "grpId:pageId". File name format "corruptedPages_yyyy-MM-dd'_'HH-mm-ss_SSS.txt".

Parameters:

dirPath - Path to the directory where the file will be created.

ioFactory - File I/O factory.

pages - Pages that could be corrupted. Mapping: cache group id -> page id.

Returns:

Created and filled file.

Throws:

IOException - If an I/O error occurs.