org.apache.ignite.mxbean

Interface IoStatisticsMetricsMXBean

@MXBeanDescription(value="MBean that provides access IO statistics metrics.")
public interface IoStatisticsMetricsMXBean

This interface defines JMX view for IO statistics.

Method Summary

Modifier and Type	Method and Description
Long	getCacheGroupLogicalReads(String cacheGrpName) Gets number of logical page reads for given cache group.
Long	getCacheGroupPhysicalReads(String cacheGrpName) Gets number of physical page reads for given cache group.
String	getCacheGroupStatistics(String cacheGrpName) Gets string presentation of cache group IO statistics for given cache group.
Long	getIndexInnerLogicalReads(String cacheGrpName, String idxName) Gets number of logical inner index's page reads for given cache group and index.
Long	getIndexInnerPhysicalReads(String cacheGrpName, String idxName) Gets number of physical inner index's page reads for given cache group and index.
Long	getIndexLeafLogicalReads(String cacheGrpName, String idxName) Gets number of logical leaf index's page reads for given cache group and index.
Long	getIndexLeafPhysicalReads(String cacheGrpName, String idxName) Gets number of physical leaf index's page reads for given cache group and index.
Long	getIndexLogicalReads(String cacheGrpName, String idxName) Gets number of logical index page reads for given cache group and index.
Long	getIndexPhysicalReads(String cacheGrpName, String idxName) Gets number of physical index page reads for given cache group and index.
String	getIndexStatistics(String cacheGrpName, String idxName) Gets string presentation of index IO statistics for given cache group and index.
long	getStartTime()
String	getStartTimeLocal()
void	reset() Reset all IO statistics.

Method Detail

getStartTime

@MXBeanDescription(value="Start time of gathering staistics.")
long getStartTime()

Returns:

Start time of gathering statistics as UTC milliseconds.

getStartTimeLocal

@MXBeanDescription(value="Start time of gathering staistics.")
String getStartTimeLocal()

Returns:

Start time of gathering statistics in ISO-8601 format.

reset

@MXBeanDescription(value="Reset gathered statistics.")
void reset()

Reset all IO statistics.

getCacheGroupStatistics

@MXBeanDescription(value="String presentation of cache group IO statistics.")
 @MXBeanParametersNames(value="cacheGrpName")
 @MXBeanParametersDescriptions(value="Cache group name.")
String getCacheGroupStatistics(String cacheGrpName)

Gets string presentation of cache group IO statistics for given cache group.

Parameters:

cacheGrpName - Name of cache group.

Returns:

Formatted representation of cache group IO statistics.

getCacheGroupPhysicalReads

@MXBeanDescription(value="Number of physical page reads for given cache group.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value="cacheGrpName")
 @MXBeanParametersDescriptions(value="Cache group name.")
Long getCacheGroupPhysicalReads(String cacheGrpName)

Gets number of physical page reads for given cache group.

Parameters:

cacheGrpName - Name of cache group.

Returns:

Number of physical page reads for given cache group. null in case such statistics doesn't exists.

getCacheGroupLogicalReads

@MXBeanDescription(value="Number of logical page reads for given cache group. Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value="cacheGrpName")
 @MXBeanParametersDescriptions(value="Cache group name.")
Long getCacheGroupLogicalReads(String cacheGrpName)

Gets number of logical page reads for given cache group.

Parameters:

cacheGrpName - Name of cache group.

Returns:

Number of logical page reads for given cache group. null in case such statistics doesn't exists.

getIndexStatistics

@MXBeanDescription(value="String presentation of index IO statistics.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
String getIndexStatistics(String cacheGrpName,
                                                                                                                                                                                                                                      String idxName)

Gets string presentation of index IO statistics for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Formatted representation of index IO statistics for given cache group and index.

getIndexPhysicalReads

@MXBeanDescription(value="Number of physical page reads for given cache group.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexPhysicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                        String idxName)

Gets number of physical index page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of physical page reads for given cache group and index. null in case such statistics doesn't exists.

getIndexLogicalReads

@MXBeanDescription(value="Number of logical page reads for given cache group.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexLogicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                      String idxName)

Gets number of logical index page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of logical page reads for given cache group and index. null in case such statistics doesn't exists.

getIndexLeafLogicalReads

@MXBeanDescription(value="Number of logical leaf index\'s page reads for given cache group and index.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexLeafLogicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                                                  String idxName)

Gets number of logical leaf index's page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of logical leaf index's page reads for given cache group and index. null in case such statistics doesn't exists.

getIndexLeafPhysicalReads

@MXBeanDescription(value="Number of physical leaf index\'s page reads for given cache group and index.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexLeafPhysicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                                                    String idxName)

Gets number of physical leaf index's page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of physical leaf index's page reads for given cache group and index. null in case such statistics doesn't exists.

getIndexInnerLogicalReads

@MXBeanDescription(value="Number of logical inner index\'s page reads for given cache group and index.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexInnerLogicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                                                    String idxName)

Gets number of logical inner index's page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of logical inner index's page reads for given cache group and index. null in case such statistics doesn't exists.

getIndexInnerPhysicalReads

@MXBeanDescription(value="Number of physical inner index\'s page reads for given cache group and index.Can return null in case such statistics doesn\'t exists.")
 @MXBeanParametersNames(value={"cacheGrpName","idxName"})
 @MXBeanParametersDescriptions(value={"Cache group name.","Index name."})
Long getIndexInnerPhysicalReads(String cacheGrpName,
                                                                                                                                                                                                                                                                                                                                      String idxName)

Gets number of physical inner index's page reads for given cache group and index.

Parameters:

cacheGrpName - Name of cache group.

idxName - Name of index.

Returns:

Number of physical inner index's page reads for given cache group and index. null in case such statistics doesn't exists.