ElasticSearch Get Index Names and Store Size

Just a slight modification from above answer.

curl -X GET "localhost:9200/_cat/indices?h=index,store.size&bytes=gb?pretty"

Index size in bytes is included with an indices stats API call:

curl http://localhost:9200/_stats/indexing,store

For nicely formatted JSON output, append ?pretty to the end of the URL:

curl http://localhost:9200/_stats/indexing,store?pretty

See the Indices stats API documentation for additional details and related information.

I realize this question dates already, but wanted to add my 2 cents.

http://localhost:9200/_cat/indices?h=index,store.size&bytes=kb&format=json

Would actually get you exactly what you requested:

Information regarding the size unit was retrieved from cat APIs doc

Possible values for the bytes argument

Information regarding the format was an attempt in Sense, which has some auto-completion features quite useful to detect such options.

Cheers.

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