Add data tiers (hot, warm, cold, frozen) as custom node roles #60994
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This commit adds the `data_hot`, `data_warm`, `data_cold`, and `data_frozen` node roles to the x-pack plugin. These roles are intended to be the base for the formalization of data tiers in Elasticsearch. These roles all act as data nodes (meaning shards can be allocated to them). Nodes with the existing `data` role acts as though they have all of the roles configured (it is a hot, warm, cold, and frozen node). This also includes a custom `AllocationDecider` that allows the user to configure the following settings on a cluster level: - `cluster.routing.allocation.require._tier` - `cluster.routing.allocation.include._tier` - `cluster.routing.allocation.exclude._tier` And in index settings: - `index.routing.allocation.require._tier` - `index.routing.allocation.include._tier` - `index.routing.allocation.exclude._tier` Relates to elastic#60848
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server/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
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.../main/java/org/elasticsearch/xpack/cluster/routing/allocation/DataTierAllocationDecider.java
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.../java/org/elasticsearch/xpack/cluster/routing/allocation/DataTierAllocationDeciderTests.java
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server/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
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andreidan
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dakrone
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Aug 12, 2020
…c#60994) This commit adds the `data_hot`, `data_warm`, `data_cold`, and `data_frozen` node roles to the x-pack plugin. These roles are intended to be the base for the formalization of data tiers in Elasticsearch. These roles all act as data nodes (meaning shards can be allocated to them). Nodes with the existing `data` role acts as though they have all of the roles configured (it is a hot, warm, cold, and frozen node). This also includes a custom `AllocationDecider` that allows the user to configure the following settings on a cluster level: - `cluster.routing.allocation.require._tier` - `cluster.routing.allocation.include._tier` - `cluster.routing.allocation.exclude._tier` And in index settings: - `index.routing.allocation.require._tier` - `index.routing.allocation.include._tier` - `index.routing.allocation.exclude._tier` Relates to elastic#60848
dakrone
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Aug 12, 2020
…60994) (#61045) This commit adds the `data_hot`, `data_warm`, `data_cold`, and `data_frozen` node roles to the x-pack plugin. These roles are intended to be the base for the formalization of data tiers in Elasticsearch. These roles all act as data nodes (meaning shards can be allocated to them). Nodes with the existing `data` role acts as though they have all of the roles configured (it is a hot, warm, cold, and frozen node). This also includes a custom `AllocationDecider` that allows the user to configure the following settings on a cluster level: - `cluster.routing.allocation.require._tier` - `cluster.routing.allocation.include._tier` - `cluster.routing.allocation.exclude._tier` And in index settings: - `index.routing.allocation.require._tier` - `index.routing.allocation.include._tier` - `index.routing.allocation.exclude._tier` Relates to #60848
dakrone
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Sep 10, 2020
Similar to the work in elastic#60994 where we introduced the `data_hot`, `data_warm`, etc node roles. This introduces a new `data_content` node role to be used for the Content tier. Currently this tier is not used anywhere, but subsequent work will use this tier. Relates to elastic#60848
dakrone
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Sep 14, 2020
Similar to the work in elastic#60994 where we introduced the `data_hot`, `data_warm`, etc node roles. This introduces a new `data_content` node role to be used for the Content tier. Currently this tier is not used anywhere, but subsequent work will use this tier. Relates to elastic#60848
dakrone
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Sep 15, 2020
With the differentiation between searchable snapshots on the cold phase and searchable snapshots on the frozen phase not implemented, there is no need to have a separate phase/tier for now. This commit removes the frozen phase and tier, which can be added back at a later time. (this tier was never in a released version, so this is not a breaking change) Relates to elastic#60983 Relates to elastic#60994 Relates to elastic#60848
dakrone
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Sep 16, 2020
With the differentiation between searchable snapshots on the cold phase and searchable snapshots on the frozen phase not implemented, there is no need to have a separate phase/tier for now. This commit removes the frozen phase and tier, which can be added back at a later time. (this tier was never in a released version, so this is not a breaking change) Relates to #60983 Relates to #60994 Relates to #60848
dakrone
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Sep 16, 2020
With the differentiation between searchable snapshots on the cold phase and searchable snapshots on the frozen phase not implemented, there is no need to have a separate phase/tier for now. This commit removes the frozen phase and tier, which can be added back at a later time. (this tier was never in a released version, so this is not a breaking change) Relates to elastic#60983 Relates to elastic#60994 Relates to elastic#60848
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This commit adds the
data_hot,data_warm,data_cold, anddata_frozennode roles to thex-pack plugin. These roles are intended to be the base for the formalization of data tiers in
Elasticsearch.
These roles all act as data nodes (meaning shards can be allocated to them). Nodes with the existing
datarole acts as though they have all of the roles configured (it is a hot, warm, cold, andfrozen node).
This also includes a custom
AllocationDeciderthat allows the user to configure the followingsettings on a cluster level:
cluster.routing.allocation.require._tiercluster.routing.allocation.include._tiercluster.routing.allocation.exclude._tierAnd in index settings:
index.routing.allocation.require._tierindex.routing.allocation.include._tierindex.routing.allocation.exclude._tierRelates to #60848