Class %SYS.ClusterInfo

class %SYS.ClusterInfo extends %RegisteredObject

Cluster-specific Information

Parameters	Properties	Methods	Queries	Indices	ForeignKeys	Triggers
		10	1

Summary

Methods
%AddToSaveSet	%ClassIsLatestVersion	%ClassName	%ConstructClone
%DispatchClassMethod	%DispatchGetModified	%DispatchGetProperty	%DispatchMethod
%DispatchSetModified	%DispatchSetMultidimProperty	%DispatchSetProperty	%Extends
%GetParameter	%IsA	%IsModified	%New
%NormalizeObject	%ObjectModified	%OriginalNamespace	%PackageName
%RemoveFromSaveSet	%SerializeObject	%SetModified	%ValidateObject
IsMaster	IsMember	MasterNodeName	NodeListClose
NodeListExecute	NodeListFetch

Methods

• classmethod IsMaster() as %Boolean

True when this system is the cluster master

• classmethod IsMember() as %Boolean

Is the system part of a cluster or not

• classmethod MasterNodeName() as %String

Return node name of the current master in the cluster.
Returned null string if this system is not a cluster member.

• classmethod NodeListClose(ByRef qHandle As %Binary) as %Status

• classmethod NodeListExecute(ByRef qHandle As %Binary, SkipSelf As %Boolean = 0) as %Status

• classmethod NodeListFetch(ByRef qHandle As %Binary, ByRef Row As %List, ByRef AtEnd As %Integer = 0) as %Status

Queries

• query NodeList(SkipSelf As %Boolean = 0)

Selects CSN As %Integer, IP As %String, Port As %Integer, MGR Dir As %String, Journal Offset As %Integer, Journal File As %String, Journal File Count As %Integer, Transaction Offset As %Integer, Transaction File As %String, Transaction File Count As %Integer, Host Name As %String, Prev Journal Offset As %Integer, Prev Journal File Count As %Integer, Prev Journal File As %String, Journal WDPass As %Integer

Returns information about member nodes of the cluster using DNS resolution of the members' hostnames. If SkipSelf = 1, skip the node where the query is run

Class Reference IRIS for UNIX 2024.1.2
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