具有数据点要求的指标
对于没有触发警报的明显默认阈值的指标，Application Insights 等到指标具有足够的数据点以预测触发警报的合理阈值。CloudWatch Application Insights 在告警创建之前检查的指标数据点要求如下：
-
指标从过去 15 天到过去 2 天期间至少具有 100 个数据点。
-
指标在最后一天至少具有 100 个数据点。
以下指标遵循这些数据点要求。请注意，CloudWatch 代理指标最多需要一小时才能创建警报。
指标
AWS/ApplicationELB
ActiveConnectionCount
ConsumedLCUs
HTTPCode_ELB_4XX_Count
HTTPCode_Target_2XX_Count
HTTPCode_Target_3XX_Count
HTTPCode_Target_4XX_Count
HTTPCode_Target_5XX_Count
NewConnectionCount
ProcessedBytes
TargetResponseTime
UnHealthyHostCount
AWS/AutoScaling
GroupDesiredCapacity
GroupInServiceInstances
GroupMaxSize
GroupMinSize
GroupPendingInstances
GroupStandbyInstances
GroupTerminatingInstances
GroupTotalInstances
AWS/EC2
CPUCreditBalance
CPUCreditUsage
CPUSurplusCreditBalance
CPUSurplusCreditsCharged
CPUUtilization
磁盘读取字节数
磁盘读取操作
磁盘写入字节数
磁盘写入操作
EBSByteBalance%
EBSIOBalance%
EBSReadBytes
EBSReadOps
EBSWriteBytes
EBSWriteOps
NetworkIn
网络输出
NetworkPacketsIn
NetworkPacketsOut
Elastic Block Store (EBS)
VolumeReadBytes
VolumeWriteBytes
VolumeReadOps
VolumeWriteOps
VolumeTotalReadTime
VolumeTotalWriteTime
VolumeIdleTime
VolumeQueueLength
VolumeThroughputPercentage
VolumeConsumedReadWriteOps
BurstBalance
AWS/ELB
EstimatedALBActiveConnectionCount
EstimatedALBConsumedLCUs
EstimatedALBNewConnectionCount
EstimatedProcessedBytes
HTTPCode_Backend_4XX
HTTPCode_Backend_5XX
HealthyHostCount
延迟
RequestCount
SurgeQueueLength
UnHealthyHostCount
AWS/RDS
ActiveTransactions
AuroraBinlogReplicaLag
AuroraReplicaLag
BackupRetentionPeriodStorageUsed
BinLogDiskUsage
BlockedTransactions
CPUCreditBalance
CommitLatency
CommitThroughput
DDLLatency
DDLThroughput
DMLLatency
DMLThroughput
DatabaseConnections
死锁数
DeleteLatency
DeleteThroughput
DiskQueueDepth
EngineUptime
FreeLocalStorage
FreeStorageSpace
FreeableMemory
InsertLatency
InsertThroughput
LoginFailures
NetworkReceiveThroughput
NetworkThroughput
NetworkTransmitThroughput
查询
读取 IOPS
读取吞吐量
SelectLatency
SelectThroughput
SnapshotStorageUsed
TotalBackupStorageBilled
UpdateLatency
UpdateThroughput
VolumeBytesUsed
VolumeReadIOPs
VolumeWriteIOPs
写入 IOPS
写入吞吐量
AWS/Lambda
错误
DeadLetterErrors
持续时间
节流
IteratorAge
ProvisionedConcurrencySpilloverInvocations
AWS/SQS
ApproximateAgeOfOldestMessage
ApproximateNumberOfMessagesDelayed
ApproximateNumberOfMessagesNotVisible
ApproximateNumberOfMessagesVisible
NumberOfEmptyReceives
NumberOfMessagesDeleted
NumberOfMessagesReceived
NumberOfMessagesSent
AWS/CWAgent
LogicalDisk % Free Space
Memory % Committed Bytes In Use
Memory Available Mbytes
Network Interface Bytes Total/sec
Paging File % Usage
PhysicalDisk % Disk Time
PhysicalDisk Avg。Disk sec/Read
PhysicalDisk Avg。Disk sec/Write
PhysicalDisk Disk Read Bytes/sec
PhysicalDisk Disk Reads/sec
PhysicalDisk Disk Write Bytes/sec
PhysicalDisk Disk Writes/sec
Processor % Idle Time
Processor % Interrupt Time
Processor % Processor Time
Processor % User Time
SQLServer:Access Methods Forwarded Records/sec
SQLServer:Access Methods Page Splits/sec
SQLServer:Buffer Manager Buffer cache hit ratio
SQLServer:Buffer Manager Page life expectancy
SQLServer：接收的数据库副本文件字节数/秒
SQLServer：接收的数据库副本日志字节数/秒
SQLServer：保留数据库副本日志以供撤消
SQLServer：数据库副本日志发送队列
SQLServer：数据库副本镜像写事务数/秒
SQLServer：数据库副本恢复队列
SQLServer：剩余数据库副本重做字节数
SQLServer：数据库副本已重做的字节数/秒
SQLServer：需要撤消的数据库副本总日志
SQLServer：数据库副本事务延迟
SQLServer:General Statistics Processes blocked
SQLServer:SQL Statistics Batch Requests/sec
SQLServer:SQL Statistics SQL Compilations/sec
SQLServer:SQL Statistics SQL Re-Compilations/sec
System Processor Queue Length
TCPv4 Connections Established
TCPv6 Connections Established
AWS/DynamoDB
已使用读取容量单位
已使用写入容量单位
ReadThrottleEvents
WriteThrottleEvents
TimeToLiveDeletedItemCount
ConditionalCheckFailedRequests
TransactionConflict
ReturnedRecordsCount
PendingReplicationCount
ReplicationLatency
AWS/S3
ReplicationLatency
BytesPendingReplication
OperationsPendingReplication
4xxErrors
5xxErrors
AllRequests
GetRequests
PutRequests
DeleteRequests
HeadRequests
PostRequests
SelectRequests
ListRequests
SelectScannedBytes
SelectReturnedBytes
FirstByteLatency
TotalRequestLatency
BytesDownloaded
BytesUploaded
AWS/States
ActivitiesScheduled
ActivitiesStarted
ActivitiesSucceeded
ActivityScheduleTime
ActivityRuntime
ActivityTime
LambdaFunctionsScheduled
LambdaFunctionsStarted
LambdaFunctionsSucceeded
LambdaFunctionScheduleTime
LambdaFunctionRuntime
LambdaFunctionTime
ServiceIntegrationsScheduled
ServiceIntegrationsStarted
ServiceIntegrationsSucceeded
ServiceIntegrationScheduleTime
ServiceIntegrationRuntime
ServiceIntegrationTime
ProvisionedRefillRate
ProvisionedBucketSize
ConsumedCapacity
ThrottledEvents
AWS/ApiGateway
4XXError
IntegrationLatency
延迟
DataProcessed
CacheHitCount
CacheMissCount
AWS/SNS
NumberOfNotificationsDelivered
NumberOfMessagesPublished
NumberOfNotificationsFailed
NumberOfNotificationsFilteredOut
NumberOfNotificationsFilteredOut-InvalidAttributes
NumberOfNotificationsFilteredOut-NoMessageAttributes
NumberOfNotificationsRedrivenToDlq
NumberOfNotificationsFailedToRedriveToDlq
SMSSuccessRate