Significant Terms - Memory Issues Redux

In a previous discussion of Significant Terms
(https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/elasticsearch/EQ1ysXVC5TU/rloTy6ZrHusJ),
one of the recommendations to reduce memory usage was:

Use "Doc Values" in your index mappings to hit disk instead of using es

FieldData caches that cause the CircuitBreakingException (you are then more
reliant on OS file-system caches for speed)

I tried this, but I think I'm missing some important step. It seems that
since significant terms needs the field to to be indexed, and we can't
index doc_values fields. Is there some work around here that I've missed?

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Nope, you can only doc values not analysed values.

On 8 April 2015 at 07:33, Dan Fuller wedamija@gmail.com wrote:

In a previous discussion of Significant Terms (
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/elasticsearch/EQ1ysXVC5TU/rloTy6ZrHusJ),
one of the recommendations to reduce memory usage was:

Use "Doc Values" in your index mappings to hit disk instead of using es

FieldData caches that cause the CircuitBreakingException (you are then more
reliant on OS file-system caches for speed)

I tried this, but I think I'm missing some important step. It seems that
since significant terms needs the field to to be indexed, and we can't
index doc_values fields. Is there some work around here that I've missed?

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