Measures the cold starts in total invocation including function name and memory size.
CloudWatch Log Insights snippet that measures the cold starts in total invocation including function name and memory size
filter @type = "REPORT" and @message like /(?i)(Init Duration)/
|parse @message /^REPORT.*Init Duration: (?.*) ms.*/
| parse @log /^.*/aws/lambda/(?.*)/
| fields @memorySize / 1000000 as memorySize
| stats count() as coldStarts, avg(initDuration) as avgInitDuration, max(initDuration) as maxInitDuration
by functionName, memorySize
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