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Migrating a 130TB Cluster from Elasticsearch 2 to 5 in 20 Hours with 0 Downtime and a Rollback Strategy | by Fred de Villamil | Fred Thoughts
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Information | Free Full-Text | Rack Aware Data Placement for Network Consumption in Erasure-Coded Clustered Storage Systems
rack awareness allocation and allocation filtering lead to unassigned shards · Issue #8178 · elastic/elasticsearch · GitHub
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