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  • >> Go to dataminer.services

There is a proble if we reboot the Dataminer agent/server when the database compaction is running?

Solved614 views18th July 2023
1
Javier Gordon30 8th September 2021 0 Comments

Hello;

We want to know if There is a proble if we reboot the Dataminer agent/server when the database compaction is running?

Regards

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 18th July 2023

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Brent Alleweireldt [SLC]1.64K Posted 8th September 2021 0 Comments

Hey Javier,

From an architectural point of view there should be no issues when restarting the DMA whilst cassandra compaction is running. The cassandra is still able to serve queries and thus the DMA should be able to start up.

However during compaction an increase in latency and response time can occur due to compaction being a resource intensive process. This in turn can cause issues with queries timing out or Out of memory scenarios, so some caution is advised rebooting a DMA during compaction.

Rebooting the entire server hardware during compaction should be avoided as this can lead to issues in the cassandra filesystem, which at best will take extra resources to resolve or at worst can corrupt part of the data.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 18th July 2023
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