Show shards allocation

Show all shards with their state and unassigned reason

curl -s 'http://es:9200/_cat/shards?v&h=index,shard,prirep,state,node,unassigned.reason'
tool
elasticsearch19 commands
tags
elasticsearchdebug

More elasticsearch commands

  • Force shard re-allocation
    curl -X POST http://es:9200/_cluster/reroute?retry_failed=true

    Retry allocation of all failed/unassigned shards

  • Update index settings
    curl -X PUT 'http://es:9200/my-index/_settings' -H 'Content-Type: application/json' -d '{"index":{"number_of_replicas":1}}'

    Change replica count on a live index

  • Create index template
    curl -X PUT 'http://es:9200/_index_template/logs-tpl' -H 'Content-Type: application/json' -d '{"index_patterns":["logs-*"],"template":{"settings":{"number_of_shards":2}}}'

    Auto-configure new indices matching logs-*

  • Snapshot to repository
    curl -X PUT 'http://es:9200/_snapshot/my_repo/snap1?wait_for_completion=true'

    Create a cluster snapshot synchronously

  • Cluster health
    curl -s http://localhost:9200/_cluster/health | jq .

    Show cluster status: green/yellow/red, shards, nodes

all 19 elasticsearch commands