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Managed: "There's not enough free disk space in Long-term Metrics store." ?

AntonioSousa
DynaMight Guru
DynaMight Guru

I have a Managed cluster with 3 nodes. In one of them I have started seeing today the following message:

  • There's not enough free disk space in Long-term Metrics store.
    AntonioSousa_0-1713478090758.png

     

Have several hundred of GB free in disk, so what might this be?

I'll probably be inserting a Support Ticket, but has anyone seen something like this before?

Antonio Sousa
5 REPLIES 5

AntonioSousa
DynaMight Guru
DynaMight Guru

Quick note to anyone that might experience this: deleting the cache of updates seems to have solved the issue for me:

AntonioSousa_0-1713480281378.png

Still can't explain why some 200 GB of space were not enough ...

Antonio Sousa

Support has effectively confirmed that Cassandra data compaction is the responsible for this huge waste of disk resources. So basically the more information you've got in Cassandra, the more unused disk space you have to get. It's basically 100% the size of the Cassandra data. In my case, I solved it (temporarily) by removing the cache of installation executables, but the problem will come back...

Antonio Sousa

Malaik
DynaMight Champion
DynaMight Champion

Hi @AntonioSousa 

In my ENV, I can (sometime) notice the same thing.

Malaik_0-1713497279028.png

Im not able to understand why the size difference is too high between servers.

 

 

Sharing Knowledge

PacoPorro
Dynatrace Leader
Dynatrace Leader

@AntonioSousa Can you check in one of the nodes? Just click on configure and you will see how the space is being used.

PacoPorro_0-1713509825033.png



PacoPorro_1-1713509887199.png

 

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