Notes > Elasticsearch

Exclude and drain nodes

cat <<EOF >> settings.json
{
  "transient": {
    "cluster.routing.allocation.exclude._name": "data-3,data-4"
  }
}
EOF
curl -X PUT http://localhost:8200/_cluster/settings \
   -H 'Content-Type: application/json' \
   -d '@settings.json'

Increase recovery and rebalance speed

cat <<EOF >> settings.json
{
  "persistent": {
    "cluster.routing.allocation": {
      "node_concurrent_recoveries": "16",
      "cluster_concurrent_rebalance": "16",
      "enable": "all"
    },
    "indices.recovery.max_bytes_per_sec": "200mb"
  }
}
EOF
curl -X PUT http://localhost:8200/_cluster/settings \
   -H 'Content-Type: application/json' \
   -d '@settings.json'

13:45 09.09.2022