Elasticsearch GET API for Shard Size

json api elasticsearch sharding

Animesh was right, the _stats API is the one that you want, but to get shard level stats, you must specify the level parameter:

curl -XGET host:9200/my-index/_stats?level=shards

The level can currently be set to any of:

json api elasticsearch sharding

Another way to get shards size is by the request:

curl -XGET localhost:9200/_cat/shards?v=true&format=JSON&bytes=b (mb, gb and etc.)

This is more convenient and better way to get information about shards, specially about size.

Elastic documentation: elastic doc

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