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uzxmx/upgrade-es-6.x-to-6.8.md

Created February 25, 2020 08:47
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Upgrade Elasticsearch from 6.x to 6.8
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upgrade-es-6.x-to-6.8.md

Disable shard allocation

curl -X PUT "localhost:9200/_cluster/settings?pretty" -H 'Content-Type: application/json' -d'
{
  "persistent": {
    "cluster.routing.allocation.enable": "primaries"
  }
}
'

Questions

  • If the node to be shutdown has primary shards, what will happen? If it has replica shards, what will happen? What will the allocation process do?

References

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