This topic describes the system events for AnalyticDB for PostgreSQL.

Type Event Description Status Level
Exception ComputeGroupCpuHigh The CPU utilization of a compute group exceeds 90%. Failed Critical
Exception ComputeGroupMemoryHigh The memory usage of a compute group exceeds 85%. Failed Critical
Exception HighCoumputeGroupDiskUsed The disk usage of a compute group exceeds 80%. Failed Critical
Exception InstanceDown An instance is unavailable. Failed Critical
Exception LongTransaction The number of long-running transactions is greater than or equal to 5. Failed Critical
Exception MasterCpuHigh The CPU utilization of a master node exceeds 90%. Failed Critical
Exception MasterMemoryHigh The memory usage of a master node exceeds 85%. Failed Critical
Exception NonSuperConnection The proportion of connections to an instance exceeds 80%. Failed Critical
Exception XidAgeHigh The age of a transaction ID (XID) exceeds 400 million. Failed Critical