Re: DocValues for multivalued strings and boolean fields

2017-12-21 Thread Shawn Heisey
On 12/20/2017 6:09 PM, S G wrote: One of our Solr users is trying to set docValues="true" for multivalued string fields and boolean-type fields. I am not sure what the performance impact of that would be. Can docValues negatively affect performance in any way? Adding to what Emir said: The do

Re: DocValues for multivalued strings and boolean fields

2017-12-21 Thread Emir Arnautović
Hi SG, Doc values is another file to write so indexing performances will suffer. In theory, query performances will suffer because alternative is in memory structure (fieldCache and fieldValueCache). In practice, it will not because in memory structure requires larger heap, requires time/resourc