Determine the causes of performance issues in your application and learn how to resolve them by analyzing Cassandra-related alert messages in the performance alert log.

The following Pega alerts are about the Decision Data Store:

• PEGA0058 – Interaction History read time above threshold
• PEGA0059 – Interaction History write time above threshold
• PEGA0060 – Number of Interaction History rows read above threshold
• PEGA0061 – Number of Interaction History rows written above threshold
• PEGA0062 – Data flow execution time above threshold
• PEGA0063 – Decision strategy execution time above threshold
• PEGA0070 – Adaptive Decision Manager has used 90% of the allocated memory
• PEGA0071 – Visual Business Director has used 90% of the allocated memory
• PEGA0072 – Data flow run failed
• PEGA0073 – Data flow throws an error
• PEGA0075 – Decision Data Store read time above threshold
• PEGA0076 – Decision Strategy Manager service node is unreachable
• PEGA0077 – Data Flow assignment time above threshold
• PEGA0078 – Number of records returned by the Compose shape is above threshold
• PEGA0079 – Record size written by Decision Data Store above threshold
• PEGA0080 – Record size read by Decision Data Store above threshold
• PEGA0081 – Visual Business Director query time above threshold
• PEGA0085 – Decision Data Store disk space below threshold
• PEGA0105 – The number of interaction history summary predictors used by the adaptive model exceeds the threshold
• PEGA0115 – The size of the aggregate bucket is too small or the aggregate used does not support bucketing

For more information, see Performance and security alerts in Pega Platform.

• Cassandra overview
• Performing regular monitoring activities on a Cassandra cluster