Facet counts change when setting size from 12 to 13

[Radim]

This is a long-standing issue with ES, see "Terms facet gives wrong count
with n_shards > 1"

terms facet gives wrong count with n_shards > 1

-rr

On Friday, July 19, 2013 12:30:27 PM UTC+2, Sandy Van den Borne wrote:

In ES 0.90.0:

I have the following query:

{ "fields": ["company_city.untouched"],
"query":{"query_string":{"query":"antwerpen","default_operator":"AND"}},
"facets":{
"cities" : { "terms" : {"field" : "company_city.untouched"
,"size": "12"} },
"test":
{"filter": {"term":{"company_city.untouched": "Brasschaat"}}}
}
}

Which gives me:

"facets": {
"cities": {
"_type": "terms",
"missing": 0,
"total": 122,
"other": 45,
"terms": [
...
{
"term": "Brasschaat",
"count": 3
},
...
]
},
"test": {
"_type": "filter",
"count": 4
}

I did not understand why the count was not 4 for "Brasschaat" for both
facets (By the way I get the same result when not specifying a size).

Now as soon as I set the size to a value bigger than 12, the count of the
cities facet for "Brasschaat" changes to 4.

So when I run:
{ "fields": ["company_city.untouched"],
"query":{"query_string":{"query":"antwerpen","default_operator":"AND"}},
"facets":{
"cities" : { "terms" : {"field" : "company_city.untouched"
,"size": "13"} },
"test":
{"filter": {"term":{"company_city.untouched": "Brasschaat"}}}
}
}

I get:
"facets": {
"cities": {
"_type": "terms",
"missing": 0,
"total": 122,
"other": 45,
"terms": [
...
{
"term": "Brasschaat",
"count": 4
},
...
]
},
"test": {
"_type": "filter",
"count": 4
}

The same thing happens for one of the other cities. The counts of all
other cities do not change..

This is on my local machine, the data is not changing and there is only
one shard.

Any idea what is happening here?
Am I doing something wrong?

Thanks!

Sandy

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