Splitting an existing Single Large Lndex (1tb) in to small without reindexing

Elastic Stack Elasticsearch
1

Hi Team,

We have an index which having a storage size of 1 TB. We are planning to splitting up the single index in to multiple pieces for getting better performance. Could you please let us know how can we split up the single index in to pieces with out re-indexing the data?

Elastic search version: 2.3.5-1

2

In order to split an index into multiple smaller indices you will need to reindex.

3

Hi Christian,

Thanks for the update.

Is that mean we need to start from the very scratch? or is there any way to make use of the existing index as a source for re-indexing the data in to smaller indexes?

4

You can provide a filter to the reindex API

5

Cool... Could you please share some guidelines for the same?

6

You have some examples in the doc: https://www.elastic.co/guide/en/elasticsearch/reference/5.4/docs-reindex.html

7

Hi @dadoonet,

Sorry for the delayed response. I will try this and get back to you shortly.

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