Reindex from the existing index

Elastic Stack Elasticsearch
1

Hi,
Is there a way to build a new index from the existing index ?
Thank you,
Vladi

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2

If you Search on the web site for reindex, you will find this:

David

Le 1 avr. 2015 à 06:15, Vladi Feigin vladif@liveperson.com a écrit :

Hi,
Is there a way to build a new index from the existing index ?
Thank you,
Vladi

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3

On Wednesday, April 01, 2015 at 06:15 CEST,
Vladi Feigin vladif@liveperson.com wrote:

Is there a way to build a new index from the existing index ?

Elasticsearch doesn't ship with a tool for this purpose nor
a one-stop-shop API, but there are several wrappers of the
bulk reindexing API. I've successfully used the es-reindex
tool and the elasticsearch.helpers.reindex() function from
the official Python client for ES.

http://elasticsearch-py.readthedocs.org/en/master/helpers.html

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4

install elasticsearch python plugin

from elasticsearch import Elasticsearch
form elasticsearch.helpers import reindex
es = Elasticsearch(["es.node1"])

reindex(es, "source_index", "target_index")

this will reindex from source_index to target_index, also keep in mind that
the mappings won't be transferred.

you can specify another target cluster as well.. and a query so that
documents that only satisfy that query in source index will be reindexed
into the target index.

more
documentation Helpers — Elasticsearch 8.0.0 documentation

On Wednesday, April 1, 2015 at 11:52:26 AM UTC+5:30, Magnus Bäck wrote:

On Wednesday, April 01, 2015 at 06:15 CEST,
Vladi Feigin <vla...@liveperson.com <javascript:>> wrote:

Is there a way to build a new index from the existing index ?

Elasticsearch doesn't ship with a tool for this purpose nor
a one-stop-shop API, but there are several wrappers of the
bulk reindexing API. I've successfully used the es-reindex
tool and the elasticsearch.helpers.reindex() function from
the official Python client for ES.

GitHub - geronime/es-reindex: Ruby script to copy ElasticSearch index (reindex).
Helpers — Elasticsearch 8.0.0 documentation

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Magnus Bäck | Software Engineer, Development Tools
magnu...@sonymobile.com <javascript:> | Sony Mobile Communications

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