i am asking because query output or after filtering my output contain very
few entries(in hundreds),so if its is hitting oom error then aggregations
is taking everything into cache irrespective of before query or filtering .
On Wednesday, September 3, 2014 10:28:02 PM UTC+5:30, navdeep agarwal wrote:
>
> hi ,
>
> i am bit new Elastic search ,while testing on elasticsearch's aggregation
> feature ,i am always hitting data too large,i understand that aggregations
> are very memory intensive , so is there any way query in ES where one
> query's output can be ingested to aggregation so that number of input to
> aggregation is limited . i have used filter and querying before
> aggregations .
>
> i have around 60 GB index on 5 shards .
>
> queries i tried:
>
> GET **********/_search
> {
> "query": {"term": {
> "file_sha2": {
> "value": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
> }
> }},
>
> "aggs": {
> "top_filename": {
> "max": {
> "field": "portalid"
> }
> }
>
> }
> }
>
> -------------------------------------------------------
>
> GET ************/_search
> {
>
> "aggs": {
> "top filename": {
> "filter": {"term": {
> "file_sha2": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
> }},
> "aggs": {
> "top_filename": {
> "max": {
> "field": "portalid"
> }
> }
> }
> }
> }
>
>
>
> }
>
>
> thanks in advance .
>
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