[wip,dnm,dnr] migration: prototype long-running migrations orchestrator #54903
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54936: kvserver,rpc: set the stage for maintaining a local blocklist of permanently removed nodes r=irfansharif a=tbg As part of long-running migrations (#54903) we need to make sure, to the best of our abilities, that decommissioned nodes can not return to the cluster. We will achieve this by persisting this knowledge locally (in an eventually consistent way, via gossip) and ading checks in the RPC layer. This PR stops short of adding the actual storage but sets the stage for doing so. First seven commits are from another PR and should be ignored here. Co-authored-by: Tobias Grieger <[email protected]>
This callback will be called after validating a `SET CLUSTER SETTING version` but before executing it. It will be used in future commits to execute long-running migrations. Release note: None
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We'll depend on it in a future commit. Release note: None
This request will be fleshed out and used in future commits that introduce the long running migration orchestrator process. Release note: None
Release note: None
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Subsumed by #56107. |
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Don't look. This will be the thing that will orchestrates all long running migrations.