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CPU sampling and memory snapshot of older time frame

prerak_shah1
Newcomer

I want to take CPU and memory snapshot of my cycle executed before 7 days.

How can I do that?

Also, up to how many days older snapshot I can take?

3 REPLIES 3

dave_mauney
Dynatrace Champion
Dynatrace Champion

CPU and Memory dumps are real time operations. You cannot go back in time...

prerak_shah1
Newcomer

I had exported one session with selecting "Purepath and Time series" option in which I hadnt taken memory and thread dump before exporting.

When I imported it after 2-3 hours, I was able to take thread and memory dump for the older timings (timings for which session was exported).

So if I am understanding your answer properly then, If I would not have exported it then I would not be able to get those data and hence post dated dumps are possible to take only when you have session exported for it.

Please confirm & correct me if I am wrong.

dave_mauney
Dynatrace Champion
Dynatrace Champion

I do not understand what you are saying exactly. You can only take a CPU/Thread/Memory dump on a live agent connected currently to the collector/server. You have to select a connected agent and then generate the dump.

You can export dumps as session files for future use...