MSSQL 2016: Average length of the row chains in the hash buckets 監視器類型

Microsoft.SQLServer.2016.Monitoring.HashIndexAvgChainLength.MonitorType (UnitMonitorType)

雜湊貯體中資料列鏈結的平均長度監視器類型

Element properties:

RunAsMicrosoft.SQLServer.MonitoringAccount
AccessibilityInternal
Support Monitor RecalculateFalse

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.SQLServer.2016.Monitoring.HashIndexAvgChainLength.DataSource Default
DatabaseFilter ConditionDetection System.ExpressionFilter Default
HealthState ConditionDetection System.ExpressionFilter Default
WarningState ConditionDetection System.ExpressionFilter Default

Overrideable Parameters:

IDParameterTypeSelectorDisplay NameDescription
IntervalSecondsint$Config/IntervalSeconds$間隔 (秒)執行工作流程的週期性時間間隔 (秒)。
TimeoutSecondsint$Config/TimeoutSeconds$逾時 (秒)指定允許工作流程在關閉且標示為失敗之前執行的時間。
SyncTimestring$Config/SyncTime$同步處理時間使用 24 小時制指定的同步處理時間。將會忽略。
EmptyBucketPercentThresholdint$Config/EmptyBucketPercentThreshold$空貯體百分比臨界值表示雜湊索引中空貯體數目的空貯體百分比臨界值。
AvgChainLengthThresholdint$Config/AvgChainLengthThreshold$平均鏈結長度臨界值表示雜湊貯體中資料列鏈結平均長度的平均鏈結長度臨界值。
ErrorTopLinesint$Config/ErrorTopLines$顯示索引計數最佳做法中,未設定之索引的顯示計數。

Source Code:

<UnitMonitorType ID="Microsoft.SQLServer.2016.Monitoring.HashIndexAvgChainLength.MonitorType" Accessibility="Internal" RunAs="GPMP!Microsoft.SQLServer.MonitoringAccount">
<MonitorTypeStates>
<MonitorTypeState ID="Health"/>
<MonitorTypeState ID="Warning"/>
</MonitorTypeStates>
<Configuration>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ComputerName" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="SqlInstanceName" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ConnectionString" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ServiceName" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="DatabaseName" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="IntervalSeconds" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="TimeoutSeconds" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="SyncTime" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="EmptyBucketPercentThreshold" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="AvgChainLengthThreshold" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ErrorTopLines" type="xsd:integer"/>
</Configuration>
<OverrideableParameters>
<OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="int"/>
<OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>
<OverrideableParameter ID="SyncTime" Selector="$Config/SyncTime$" ParameterType="string"/>
<OverrideableParameter ID="EmptyBucketPercentThreshold" Selector="$Config/EmptyBucketPercentThreshold$" ParameterType="int"/>
<OverrideableParameter ID="AvgChainLengthThreshold" Selector="$Config/AvgChainLengthThreshold$" ParameterType="int"/>
<OverrideableParameter ID="ErrorTopLines" Selector="$Config/ErrorTopLines$" ParameterType="int"/>
</OverrideableParameters>
<MonitorImplementation>
<MemberModules>
<DataSource ID="DS" TypeID="Microsoft.SQLServer.2016.Monitoring.HashIndexAvgChainLength.DataSource">
<IntervalSeconds>$Config/IntervalSeconds$</IntervalSeconds>
<TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>
<SyncTime>$Config/SyncTime$</SyncTime>
<ComputerName>$Config/ComputerName$</ComputerName>
<SqlInstanceName>$Config/SqlInstanceName$</SqlInstanceName>
<ConnectionString>$Config/ConnectionString$</ConnectionString>
<ServiceName>$Config/ServiceName$</ServiceName>
<EmptyBucketPercentThreshold>$Config/EmptyBucketPercentThreshold$</EmptyBucketPercentThreshold>
<AvgChainLengthThreshold>$Config/AvgChainLengthThreshold$</AvgChainLengthThreshold>
<ErrorTopLines>$Config/ErrorTopLines$</ErrorTopLines>
</DataSource>
<ConditionDetection ID="HealthState" TypeID="System!System.ExpressionFilter">
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='Status']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">Health</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</ConditionDetection>
<ConditionDetection ID="WarningState" TypeID="System!System.ExpressionFilter">
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='Status']</XPathQuery>
</ValueExpression>
<Operator>NotEqual</Operator>
<ValueExpression>
<Value Type="String">Health</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</ConditionDetection>
<ConditionDetection ID="DatabaseFilter" TypeID="System!System.ExpressionFilter">
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='DatabaseName']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">$Config/DatabaseName$</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</ConditionDetection>
</MemberModules>
<RegularDetections>
<RegularDetection MonitorTypeStateID="Health">
<Node ID="HealthState">
<Node ID="DatabaseFilter">
<Node ID="DS"/>
</Node>
</Node>
</RegularDetection>
<RegularDetection MonitorTypeStateID="Warning">
<Node ID="WarningState">
<Node ID="DatabaseFilter">
<Node ID="DS"/>
</Node>
</Node>
</RegularDetection>
</RegularDetections>
</MonitorImplementation>
</UnitMonitorType>