When I use KNN search, it will cause ES to fail #126809
Description
Elasticsearch Version
8.17.4
Installed Plugins
No response
Java Version
OpenJDK Runtime Environment (23.0+37) (build 23+37-2369)
OS Version
Ubuntu 20.04.6 LTS
Problem Description
I deployed ES8.17.4 using Docker on the host (rocky-linux9.2 x86). The operating system version in the Docker container is Ubuntu 20.04.6 LTS, and the Java version is OpenJDK Runtime Environment (23.0+37) (build 23+37-2369). When I use KNN retrieval, it will cause ES to crash.
Steps to Reproduce
PUT products
{
"mappings": {
"dynamic": "strict",
"properties": {
"department": {
"type": "keyword"
},
"brand": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword",
"ignore_above": 2048
}
}
},
"description": {
"type": "text"
},
"embedding": {
"type": "dense_vector",
"index": true,
"similarity": "l2_norm"
},
"price": {
"type": "float"
}
}
}
}
POST products/_bulk?refresh=true
{"index":{"_id":1}}
{"department":"backend","brand": ["oepnjdk","otherjdk"], "description":"high-available nice oepnjdk","embedding":[1,1,1,1],"price":100}
{"index":{"_id":2}}
{"department":"backend","brand": ["oraclejdk"],"description":"high-available beautiful oraclejdk","embedding":[1,1,1,1],"price":250}
{"index":{"_id":3}}
{"department":"backend","brand": ["otherjdk"],"description":"every day otherjdk","embedding":[1,1,1,1],"price":50}
{"index":{"_id":4}}
{"department":"backend","brand": ["oepnjdk"],"description":"oepnjdk","embedding":[2,2,2,0],"price":75}
{"index":{"_id":5}}
{"department":"backend","brand": ["oepnjdk"],"description":"oepnjdk 2022","embedding":[2,2,2,0],"price":150}
{"index":{"_id":6}}
{"department":"frontend","brand": ["oepnjdk"], "description":"oepnjdk","embedding":[2,2,2,0],"price":50}
GET products/_search?
{
"size": 10,
"knn": {
"field": "embedding",
"query_vector": [2,2,2,2],
"k":3,
"num_candidates": 10,
"filter": {
"terms": {
"brand": ["oepnjdk","otherjdk"]
}
}
}
}