[RW Separation] Introduce allocation filter to control placement of search only replicas #15455
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…earch only replicas (#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com> (cherry picked from commit b345439) Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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…earch only replicas (#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com> (cherry picked from commit b345439) Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
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…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
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…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
This was referenced Sep 11, 2024
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…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
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…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
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Oct 21, 2024
…earch only replicas (opensearch-project#15455) * Introduce allocation filter to control placement of search only replicas Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Add a new decider rather than updating the existing FilterAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix license header and description on SearchReplicaAllocationDecider Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Pr feedback. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Fix class name to pass precommit checks Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * Refactor all search replica create/update tests to a single OpenSearchSingleNodeTestCase. Signed-off-by: Marc Handalian <marc.handalian@gmail.com> * remove changelog entry Signed-off-by: Marc Handalian <marc.handalian@gmail.com> --------- Signed-off-by: Marc Handalian <marc.handalian@gmail.com>
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Description
Introduce allocation filter to control placement of search only replicas.
The new filter
cluster.routing.allocation.search.replica.dedicated.includeacts as a normal include filter in that you can specify multiple values and search shards will allocate there if one of the attributes is present on a particular node. However, it is different from existing include filters in that it is exclusive to search replicas and will exclude any non search shard for all of the attributes set.Related Issues
Resolves #15445
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