Performance Monitoring Flashcards

Alert PEGA0001 appears frequently in production. What condition triggers this alert?

Answer: An HTTP interaction took longer than the configured threshold

PEGA0001 indicates that the server-side time for a browser interaction exceeded the threshold.

Which PEGA alert indicates that the amount of data returned by a database query exceeded the configured limit?

Answer: PEGA0004

PEGA0004 is raised when the quantity of data received from a database query exceeds its threshold.

A developer needs to know how much memory the clipboard consumes after completing a screen. Which PAL action provides this?

Answer: Add Reading with Clipboard Size

Add Reading with Clipboard Size captures counters plus the current clipboard size.

Which Pega tool aggregates alerts and exceptions from multiple nodes and provides actionable performance recommendations?

Answer: Pega Diagnostic Center (formerly Predictive Diagnostic Cloud)

Pega Diagnostic Center collects alerts and health data across nodes and surfaces prioritized issues.

In a PAL reading, what does the DELTA row represent?

Answer: The difference in counters between the current and previous reading

DELTA shows the change in counters since the prior reading, isolating the work done between readings.

Alert thresholds such as the PEGA0005 query time limit need to be raised for one environment. Where are these thresholds typically configured?

Answer: In dynamic system settings or prconfig settings

Alert thresholds are system settings controlled through dynamic system settings or prconfig.xml.

PAL shows a high count of rows read from the BLOB during a list-heavy screen. What is the most effective remedy?

Answer: Expose the frequently used properties as database columns

Optimizing (exposing) properties lets the database return values directly without BLOB decompression.