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@dakrone dakrone commented Mar 31, 2021

Backports the following commits to 7.x:

This commit converts the index metadata of searchable snapshot indices using the `shared_cache`
storage type to:

- Remove all the `index.routing.allocation.(include|exclude|require)._tier` settings
- Sets `index.routing.allocation.include._tier_preference` to `data_frozen` automatically when the index metadata is read

This is in preperation to enforcing that the `_tier_preference` setting is always set to
`data_frozen` for shared cache SBIs.

Relates to elastic#70846, elastic#71013, elastic#70786, elastic#70141
@dakrone dakrone added backport :Distributed Coordination/Snapshot/Restore Anything directly related to the `_snapshot/*` APIs v7.13.0 labels Mar 31, 2021
@elasticmachine elasticmachine added the Team:Distributed (Obsolete) Meta label for distributed team (obsolete). Replaced by Distributed Indexing/Coordination. label Mar 31, 2021
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Pinging @elastic/es-distributed (Team:Distributed)

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dakrone commented Mar 31, 2021

@elasticmachine run elasticsearch-ci/2

@dakrone dakrone merged commit 696c918 into elastic:7.x Mar 31, 2021
@dakrone dakrone deleted the backport/7.x/pr-71014 branch March 31, 2021 17:40
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backport :Distributed Coordination/Snapshot/Restore Anything directly related to the `_snapshot/*` APIs Team:Distributed (Obsolete) Meta label for distributed team (obsolete). Replaced by Distributed Indexing/Coordination. v7.13.0

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