Scroll aggregations

Elastic Stack Elasticsearch
1

hello friends,
I have an index with some 10m records.
When I try to find distincts in one field (around 2m) my Java runs out of
memory.
Can I implement a scan and scroll on this aggregation to retrieve the same
data in smaller parts.

Thanks

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2

Unfortunately not at the moment. However, you could look into spreading the
data around with more shards/nodes (thus lesser memory requirements per
node), or add more RAM, or possibly use disk-based fielddata:

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