Why does each component require file storage (as well as object storage) #5808
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I'm setting up a mimir deployment in kubernetes, and I'm not sure where to look to find out why each of the components that require a persistent volume requires that persistence in addition to object storage. I'm trying to make a decision as to what storage driver to use for PVs and so I'd like to understand better why each components needs the persistence, or whether I can opt for Is the persistence for caches and if so, what is the impact on the deployment if the cache is cleared? |
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Replies: 1 comment 2 replies
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Ingesters need persistent storage. Other components use storage as cache only (store-gateway, compactor) and can survive loss of data (although in case of store-gateways, they will need to re-sync possibly lot of data on restarts). Other components don't require local persistent storage. For details please take a look at architecture overview and description of individual components. |
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Thank you, the second link is what I was looking for! |
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Ok, but what about this recommendation by the Mimir Docs @pstibrany ? |
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Ingesters need persistent storage. Other components use storage as cache only (store-gateway, compactor) and can survive loss of data (although in case of store-gateways, they will need to re-sync possibly lot of data on restarts).
Other components don't require local persistent storage.
For details please take a look at architecture overview and description of individual components.