Prevent too many agg buckets from causing OOM #8081

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clintongormley opened this Issue Oct 14, 2014 · 5 comments

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@clintongormley
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Once of the last places we see OOM conditions is in aggregations, when combinatorial explosion results in too many buckets being assigned.

We need a way to catch these conditions and abort the request rather than running into OOM.

@bleskes bleskes removed the adoptme label Jun 3, 2015
@Fizzadar

We're not capturing OOM exceptions with a filters aggregations, would this count as a combinatorial aggregation that this issue would fix?

@clintongormley
Member

Related to #9825

@blavoie
blavoie commented Mar 4, 2016

+1

@dakrone
Member
dakrone commented Sep 19, 2016 edited

@clintongormley do you think this can be considered fixed by #19394 ?

@clintongormley
Member

@dakrone yes! Closing

@dakrone dakrone added a commit to dakrone/elasticsearch that referenced this issue Sep 20, 2016
@dakrone dakrone [DOCS] Mark combinatorial explosion in aggs as 'done'
This marks the "Prevent combinatorial explosion in aggregations from
causing OOM" task as done in 5.0.0.

Relates to #8081 and #19394
45d4d08
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