Hello Elastic Search experts, The advantages of performance of DocValue is able to leverage OS disk cache, which is different (maybe more) memory from JVM. Wondering for non-DocValue field, it is only able to use memory of JVM itself (if so, why it is not able to leverage OS disk cache for performa…

Advantages of DocValue

linlma July 25, 2015, 2:34am 5

Thanks Mark to clarify,

Then for Doc Values, how do they leverage memory outside of JVM? Doc Value are still JVM (Java) data structures (if so, how do Doc Value fields leverage memory outside JVM)?

regards,
Lin

Topic		Replies	Views
Fielddata cache and doc values Elasticsearch	2	416	July 6, 2017
DocValues in ElasticSearch Elasticsearch	3	874	July 5, 2017
Doc Values Storage Elasticsearch	8	1037	July 5, 2017
Indexing performance with doc values (particularly with larger number of fields) Elasticsearch	2	601	July 6, 2017
Doc Values vs Field Data Questions Elasticsearch	6	1906	July 6, 2017

Advantages of DocValue

Related topics