Why completion suggester return keywords size wrong


(Ccmb China) #1

Elasticsearch version:
2.2
Plugins installed: []
head
JVM version:
1.7
OS version:
linux 2.6
Description of the problem including expected versus actual behavior:

when using completion suggester in production,i find a problem that when i input a character ‘o’, by which completion suggester should show 10 keywords that starts with prefix 'o',but unexpectedly, only 5 words in the list.i do not know why.
in production,i use this tempalte,and i use 10 indices to suggest,like curl -XPOST localhost:9200/suggest-a,suggest-b,suggest-c,suggest-d,suggest-e,suggest-f,suggest-g,suggest-h,suggest-i,suggest-j/_suggest,every indice exists 10000 datas,and the size is 20:
curl -XPUT localhost:9200/_template/template_suggest -d '{
"template" : "suggest-*",
"settings": {
"number_of_shards" : 3
},
"mappings" : {
"suggest" : {
"properties" : {
"word" : {
"type" : "string",
"index" : "not_analyzed"
},
"suggest" : {
"type" : "completion",
"analyzer" : "standard",
"search_analyzer" : "standard",
"preserve_separators" : false,
"max_input_length" : 100,
"payloads" : true
}
}
}
}
}'
is it cache or 3 shards that lead to this problem?
It is strange that when i reindex this suggest index ,it may show 6 keywords or 7 keywords,but still uncompleted.
i use java api ,and what is the meaning of shardSize in CompletionSuggestionBuilder


(system) #2

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