Query Details
//Show how much each storage each EventID is taking up in bytes SecurityEvent | summarize count() by Activity, EventID | extend size_in_bytes = count_ * 500 | order by count_ desc
This query calculates the amount of storage in bytes that each EventID is taking up. It groups the data by Activity and EventID, then calculates the size in bytes by multiplying the count of each EventID by 500. The results are then ordered in descending order based on the count.

Rod Trent
Released: January 8, 2021
Tables
Keywords
Operators