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I am planning on running 3 stellar core instances for high availability purposes.

My question is, do I need to have separate db for each core instance? Same for buckets as well, I am assuming buckets can't be shared and has to be separate for each instance.

Similar question on horizon as well, if I want to run 3 instances, do I need to have 3 separate databases?

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Yes. For high availability, each instances should be fully independent of the others.

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  • Thanks. What about horizon? can I run 1 ingest node with multiple non ingest nodes? this makes having only 1 db for horizon and I will have to accept the risk of either the ingest node or db going down
    – web0710
    Commented Jan 3, 2022 at 19:52
  • Yes, you can run one ingest node with multiple non-ingest nodes. But only one ingest node per-database.
    – Paul
    Commented Jan 4, 2022 at 16:51
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Every core instance needs its own dedicated db instance Horizon instances can share db instance, but only one instance has to be configured to ingest

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